155398639968

Names of 155398639968

• Cardinal: 155398639968 can be written as One hundred fifty-five billion, three hundred ninety-eight million, six hundred thirty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.55398639968 × 10¹¹

Factors of 155398639968

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 198

Divisors of 155398639968

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 29 32 33 36 39 44 48 52 54 58 61 66 72 78 79 81 87 88 96 99 104 108 116 117 122 132 143 144 156 158 162 174 176 183 198 208 216 232 234 237 243 244 261 264 286 288 297 312 316 319 324 348 351 352 366 377 396 416 429 432 464 468 474 486 488 522 528 549 572 594 624 632 638 648 671 696 702 711 732 754 783 792 793 858 864 869 891 928 936 948 957 972 976 1027 1044 1053 1056 1098 1131 1144 1188 1248 1264 1276 1287 1296 1342 1392 1404 1422 1464 1508 1566 1584 1586 1647 1716 1738 1769 1782 1872 1896 1914 1944 1952 2013 2054 2088 2106 2133 2196 2262 2288 2291 2349 2376 2379 2528 2552 2574 2592 2607 2673 2684 2784 2808 2844 2871 2928 3016 3081 3132 3159 3168 3172 3294 3393 3432 3476 3538 3564 3744 3792 3828 3861 3888 4026 4108 4147 4176 4212 4266 4392 4524 4576 4582 4698 4752 4758 4819 4941 5104 5148 5214 5307 5346 5368 5616 5688 5742 5856 6032 6039 6162 6264 6318 6344 6399 6588 6786 6864 6873 6952 7047 7076 7128 7137 7584 7656 7722 7776 7821 8052 8216 8294 8352 8424 8532 8613 8723 8784 9048 9164 9243 9396 9504 9516 9638 9882 10179 10208 10296 10428 10614 10692 10736 11232 11297 11376 11484 11583 12064 12078 12324 12441 12528 12636 12688 12798 13176 13572 13728 13746 13904 14094 14152 14256 14274 14457 14823 15312 15444 15642 15921 16104 16432 16588 16848 17064 17226 17446 17568 18096 18117 18328 18486 18792 19032 19197 19276 19459 19764 20358 20592 20619 20856 21228 21384 21411 21472 22594 22752 22968 22997 23166 23463 24156 24648 24882 25056 25201 25272 25376 25596 25839 26169 26352 27144 27492 27729 27808 28188 28304 28512 28548 28914 29646 29783 30537 30624 30888 31284 31842 32208 32864 33176 33696 33891 34128 34452 34749 34892 36192 36234 36656 36972 37323 37584 38064 38394 38552 38918 39528 40716 41184 41238 41712 42456 42768 42822 43371 45188 45936 45994 46332 46926 47763 48312 49296 49764 50402 50544 51192 51678 52338 52704 53009 54288 54351 54984 55458 56376 56608 57096 57828 58377 59292 59566 61074 61776 61857 62568 62647 63684 64233 64416 66352 67782 68256 68904 68991 69498 69784 70389 72468 73312 73944 74646 75168 75603 76128 76788 77104 77517 77836 78507 79056 81432 82476 83187 83424 84912 85536 85644 86742 89349 90376 91611 91872 91988 92664 93852 95526 96624 98592 99528 100804 101088 101673 102384 103356 104676 106018 108576 108702 109968 110916 111969 112752 114192 115656 116754 118584 119132 122148 123552 123714 125136 125294 127368 128466 130113 132704 135564 137808 137982 138996 139568 139751 140778 143289 144936 147888 149292 151206 153576 154208 155034 155672 157014 158112 159027 162864 163053 164952 166374 169824 171288 173484 175131 178698 180752 183222 183976 185328 185571 187704 187941 191052 192699 193248 199056 201608 203346 204768 206712 206973 209352 211167 212036 217404 219936 221832 223938 225504 226809 228384 231312 233508 235521 237168 238264 244296 247428 249561 250272 250588 252967 254736 256932 260226 268047 271128 275616 275964 277992 279136 279502 281556 286578 289872 295776 298584 302412 305019 307152 310068 311344 314028 318054 325728 326106 327613 329904 332748 335907 342576 346968 350262 357396 361504 366444 367952 370656 371142 375408 375882 382104 385398 390339 398112 403216 406692 413424 413946 418704 419253 422334 424072 429867 434808 443664 447876 453618 462624 467016 471042 474336 476528 477081 488592 494856 499122 501176 505934 509472 513864 520452 525393 536094 542256 551928 555984 556713 559004 563112 563823 573156 579744 597168 604824 610038 614304 620136 620919 622688 628056 636108 652212 655226 659808 665496 671814 680427 685152 689117 693936 700524 706563 714792 732888 735904 742284 750816 751764 758901 764208 770796 780678 804141 806432 813384 826848 827892 837408 838506 844668 848144 859734 869616 887328 895752 907236 915057 934032 942084 953056 954162 977184 982839 989712 998244 1002352 1007721 1011868 1027728 1040904 1050786 1072188 1084512 1103856 1111968 1113426 1118008 1126224 1127646 1146312 1171017 1194336 1209648 1220076 1240272 1241838 1256112 1257759 1272216 1304424 1310452 1330992 1343628 1360854 1378234 1387872 1401048 1413126 1429584 1431243 1465776 1484568 1503528 1517802 1528416 1537261 1541592 1561356 1576179 1608282 1626768 1655784 1677012 1689336 1691469 1696288 1719468 1739232 1791504 1814472 1816763 1830114 1862757 1868064 1884168 1908324 1965678 1979424 1996488 2004704 2015442 2023736 2041281 2055456 2067351 2081808 2101572 2119689 2144376 2207712 2226852 2236016 2252448 2255292 2276703 2292624 2342034 2412423 2419296 2440152 2480544 2483676 2512224 2515518 2544432 2608848 2620904 2661984 2687256 2721708 2745171 2756468 2802096 2826252 2859168 2862486 2931552 2948517 2969136 3007056 3035604 3074522 3083184 3122712 3152358 3216564 3253536 3311568 3354024 3378672 3382938 3438936 3583008 3628944 3633526 3660228 3725514 3768336 3773277 3816648 3931356 3992976 4030884 4047472 4082562 4134702 4163616 4203144 4239378 4288752 4293729 4453704 4472032 4510584 4553406 4585248 4611783 4684068 4728537 4824846 4880304 4967352 5031036 5074407 5088864 5217696 5241808 5374512 5443416 5450289 5490342 5512936 5588271 5604192 5652504 5724972 5897034 5938272 6014112 6071208 6123843 6149044 6166368 6202053 6245424 6304716 6433128 6623136 6708048 6757344 6765876 6830109 6877872 7237269 7257888 7267052 7320456 7451028 7536672 7546554 7633296 7862712 7985952 8061768 8094944 8165124 8269404 8406288 8478756 8577504 8587458 8845551 8907408 9021168 9106812 9223566 9368136 9457074 9649692 9760608 9934704 10062072 10148814 10483616 10749024 10886832 10900578 10980684 11025872 11176542 11305008 11319831 11449944 11794068 12142416 12247686 12298088 12404106 12490848 12609432 12866256 12881187 13416096 13531752 13660218 13755744 13835349 14474538 14534104 14640912 14902056 15093108 15223221 15266592 15725424 16123536 16330248 16350867 16538808 16812576 16957512 17174916 17691102 17814816 18042336 18213624 18447132 18606159 18736272 18914148 19299384 19869408 19984393 20124144 20297628 20490327 21773664 21801156 21961368 22051744 22353084 22610016 22639662 22899888 23588136 24284832 24495372 24596176 24808212 25218864 25732512 25762374 26536653 27063504 27320436 27670698 28949076 29068208 29281824 29804112 30186216 30446442 31450848 32247072 32660496 32701734 33077616 33915024 33959493 34349832 35382204 36427248 36894264 37212318 37472544 37828296 38598768 39968786 40248288 40595256 40980654 41506047 43602312 43922736 44706168 45279324 45799776 47176272 48990744 49052601 49192352 49616424 50437728 51524748 53073306 54127008 54640872 55341396 55818477 57898152 58136416 59608224 59953179 60372432 60892884 61470981 65320992 65403468 66155232 67830048 67918986 68699664 70764408 72854496 73788528 74424636 75656592 77197536 79609959 79937572 81190512 81961308 83012094 87204624 87845472 89412336 90558648 94352544 97981488 98105202 99232848 103049496 106146612 109281744 110682792 111636954 115796304 119906358 120744864 121785768 122941962 124518141 130806936 135837972 137399328 141528816 147157803 147577056 148849272 151313184 159219918 159875144 162381024 163922616 166024188 167455431 174409248 178824672 179859537 181117296 195962976 196210404 198465696 206098992 212293224 218563488 221365584 223273908 231592608 239812716 243571536 245883924 249036282 261613872 271675944 283057632 294315606 297698544 318439836 319750288 327845232 332048376 334910862 359719074 362234592 373554423 392420808 412197984 424586448 441473409 442731168 446547816 479625432 487143072 491767848 498072564 523227744 539578611 543351888 588631212 595397088 636879672 639500576 655690464 664096752 669821724 719438148 747108846 784841616 849172896 882946818 893095632 959250864 983535696 996145128 1079157222 1086703776 1177262424 1273759344 1328193504 1339643448 1438876296 1494217692 1569683232 1618735833 1765893636 1786191264 1918501728 1967071392 1992290256 2158314444 2354524848 2547518688 2679286896 2877752592 2988435384 3237471666 3531787272 3984580512 4316628888 4709049696 4856207499 5358573792 5755505184 5976870768 6474943332 7063574544 8633257776 9712414998 11953741536 12949886664 14127149088 17266515552 19424829996 25899773328 38849659992 51799546656 77699319984 155398639968
• Sum of all divisors σ(n): 573263308800
• Sum of proper divisors (its aliquot sum) s(n): 417864668832
• 155398639968 is an abundant number, because the sum of its proper divisors (417864668832) is greater than itself. Its abundance is 262466028864

Bases of 155398639968

• Binary: 10010000101110011110110001000101100000₂
• Hexadecimal: 0x242E7B1160
• Base-36: 1ZE0C600

Squares and roots of 155398639968

• 155398639968 squared (155398639968²) is 24148737303904087041024
• 155398639968 cubed (155398639968³) is 3752680933971202222891823022047232
• The square root of 155398639968 is 394206.3418667945
• The cube root of 155398639968 is 5376.2865061753

Scales and comparisons

• 155,398,639,968 seconds is equal to 4,941 years, 10 weeks, 1 day, 8 hours, 52 minutes, 48 seconds.
• To count from 1 to 155,398,639,968 would take you about nine thousand, eight hundred eighty-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 155398639968 cubic inches would be around 448 feet tall.

Recreational maths with 155398639968

• 155398639968 backwards is 869936893551
• 155398639968 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 155398639968's digits is 72
• More coming soon!