128739207168

Names of 128739207168

• Cardinal: 128739207168 can be written as One hundred twenty-eight billion, seven hundred thirty-nine million, two hundred seven thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.28739207168 × 10¹¹

Factors of 128739207168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 96

Divisors of 128739207168

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 32 33 36 39 44 48 52 54 64 66 67 72 78 81 88 96 99 104 108 117 128 132 134 143 144 156 162 176 192 198 201 208 216 234 243 256 264 268 286 288 297 312 324 351 352 384 396 402 416 429 432 468 486 512 528 536 572 576 594 603 624 648 702 704 729 737 768 792 804 832 858 864 871 891 936 972 1024 1053 1056 1072 1144 1152 1188 1206 1248 1287 1296 1404 1408 1458 1474 1536 1584 1608 1664 1716 1728 1742 1782 1809 1872 1944 2048 2106 2112 2144 2187 2211 2288 2304 2376 2412 2496 2574 2592 2613 2673 2808 2816 2916 2948 3072 3159 3168 3216 3328 3432 3456 3484 3564 3618 3744 3861 3888 4212 4224 4288 4374 4422 4576 4608 4752 4824 4992 5148 5184 5226 5346 5427 5616 5632 5832 5896 6144 6318 6336 6432 6561 6633 6656 6864 6912 6968 7128 7236 7488 7722 7776 7839 8019 8424 8448 8576 8748 8844 9152 9216 9477 9504 9581 9648 9984 10296 10368 10452 10692 10854 11232 11264 11583 11664 11792 12636 12672 12864 13122 13266 13312 13728 13824 13936 14256 14472 14976 15444 15552 15678 16038 16281 16848 16896 17152 17496 17688 18304 18432 18954 19008 19162 19296 19899 19968 20592 20736 20904 21384 21708 22464 22528 23166 23328 23517 23584 24057 25272 25344 25728 26244 26532 26624 27456 27648 27872 28431 28512 28743 28944 29952 30888 31104 31356 32076 32562 33696 33792 34304 34749 34992 35376 36608 37908 38016 38324 38592 39798 39936 41184 41472 41808 42768 43416 44928 46332 46656 47034 47168 48114 48843 50544 50688 51456 52488 53064 54912 55296 55744 56862 57024 57486 57888 59697 59904 61776 62208 62712 64152 65124 67392 67584 68608 69498 69984 70551 70752 72171 73216 75816 76032 76648 77184 79596 79872 82368 82944 83616 85293 85536 86229 86832 89856 92664 93312 94068 94336 96228 97686 101088 101376 102912 104247 104976 106128 109824 111488 113724 114048 114972 115776 119394 119808 123552 124416 125424 128304 130248 134784 137216 138996 139968 141102 141504 144342 146432 146529 151632 152064 153296 154368 159192 164736 165888 167232 170586 171072 172458 173664 179091 179712 185328 186624 188136 188672 192456 195372 202176 202752 205824 208494 209952 211653 212256 219648 222976 227448 228096 229944 231552 238788 239616 247104 248832 250848 256608 258687 260496 269568 277992 279936 282204 283008 288684 292864 293058 303264 304128 306592 308736 312741 318384 329472 334464 341172 342144 344916 347328 358182 359424 370656 373248 376272 377344 384912 390744 404352 411648 416988 419904 423306 424512 439296 439587 445952 454896 456192 459888 463104 477576 494208 497664 501696 513216 517374 520992 537273 539136 555984 559872 564408 566016 577368 586116 606528 608256 613184 617472 625482 634959 636768 658944 668928 682344 684288 689832 694656 716364 718848 741312 746496 752544 754688 769824 776061 781488 808704 833976 839808 846612 849024 878592 879174 891904 909792 912384 919776 926208 938223 955152 988416 1003392 1026432 1034748 1041984 1074546 1078272 1111968 1119744 1128816 1132032 1154736 1172232 1213056 1226368 1234944 1250964 1269918 1273536 1317888 1337856 1364688 1368576 1379664 1389312 1432728 1482624 1492992 1505088 1509376 1539648 1552122 1562976 1611819 1617408 1667952 1679616 1693224 1698048 1758348 1783808 1819584 1824768 1839552 1852416 1876446 1904877 1910304 1976832 2006784 2052864 2069496 2083968 2149092 2156544 2223936 2239488 2257632 2264064 2309472 2328183 2344464 2426112 2452736 2501928 2539836 2547072 2635776 2675712 2729376 2737152 2759328 2778624 2865456 2965248 3010176 3079296 3104244 3125952 3223638 3234816 3335904 3359232 3386448 3396096 3516696 3639168 3679104 3704832 3752892 3809754 3820608 3953664 4013568 4105728 4138992 4167936 4298184 4447872 4478976 4515264 4528128 4618944 4656366 4688928 4835457 4852224 4905472 5003856 5079672 5094144 5351424 5458752 5474304 5518656 5557248 5714631 5730912 5930496 6020352 6158592 6208488 6251904 6447276 6469632 6671808 6718464 6772896 6792192 6984549 7033392 7278336 7358208 7505784 7619508 7641216 7907328 8027136 8211456 8277984 8335872 8596368 8895744 9030528 9237888 9312732 9377856 9670914 9704448 9810944 10007712 10159344 10188288 10917504 11037312 11114496 11429262 11461824 11860992 12040704 12317184 12416976 12503808 12894552 13343616 13436928 13545792 13584384 13969098 14066784 14556672 14716416 15011568 15239016 15282432 16054272 16422912 16555968 16671744 17192736 17791488 18061056 18475776 18625464 18755712 19341828 19408896 19621888 20015424 20318688 20376576 20953647 21835008 22074624 22858524 22923648 23721984 24081408 24634368 24833952 25007616 25789104 26687232 27091584 27938196 28133568 29113344 29432832 30023136 30478032 30564864 33111936 33343488 34385472 35582976 36122112 36951552 37250928 37511424 38683656 40030848 40637376 40753152 41907294 43670016 44149248 45717048 45847296 48162816 49268736 49667904 50015232 51578208 53374464 54183168 55876392 56267136 58226688 58865664 60046272 60956064 61129728 62860941 66223872 68770944 71165952 72244224 73903104 74501856 75022848 77367312 80061696 81274752 83814588 87340032 88298496 91434096 91694592 99335808 100030464 103156416 106748928 108366336 111752784 112534272 120092544 121912128 122259456 125721882 132447744 137541888 144488448 147806208 149003712 150045696 154734624 160123392 162549504 167629176 174680064 176596992 182868192 183389184 198671616 206312832 213497856 216732672 223505568 225068544 240185088 243824256 251443764 264895488 275083776 298007424 300091392 309469248 320246784 325099008 335258352 365736384 366778368 397343232 412625664 433465344 447011136 450137088 480370176 487648512 502887528 529790976 550167552 596014848 618938496 640493568 650198016 670516704 731472768 794686464 825251328 894022272 900274176 960740352 975297024 1005775056 1100335104 1192029696 1237876992 1300396032 1341033408 1462945536 1589372928 1650502656 1788044544 1921480704 1950594048 2011550112 2384059392 2475753984 2682066816 2925891072 3301005312 3576089088 3901188096 4023100224 4768118784 4951507968 5364133632 5851782144 7152178176 8046200448 9903015936 10728267264 11703564288 14304356352 16092400896 21456534528 32184801792 42913069056 64369603584 128739207168
• Sum of all divisors σ(n): 460374576480
• Sum of proper divisors (its aliquot sum) s(n): 331635369312
• 128739207168 is an abundant number, because the sum of its proper divisors (331635369312) is greater than itself. Its abundance is 202896162144

Bases of 128739207168

• Binary: 1110111111001011101000110100000000000₂
• Hexadecimal: 0x1DF9746800
• Base-36: 1N540000

Squares and roots of 128739207168

• 128739207168 squared (128739207168²) is 16573783462245222580224
• 128739207168 cubed (128739207168³) is 2133695742703560016173729035845632
• The square root of 128739207168 is 358802.4626002447
• The cube root of 128739207168 is 5049.3670698841

Scales and comparisons

• 128,739,207,168 seconds is equal to 4,093 years, 26 weeks, 3 days, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 128,739,207,168 would take you about eight thousand, one hundred eighty-seven 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 128739207168 cubic inches would be around 420.8 feet tall.

Recreational maths with 128739207168

• 128739207168 backwards is 861702937821
• 128739207168 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128739207168's digits is 54
• More coming soon!