642985959168

Names of 642985959168

• Cardinal: 642985959168 can be written as Six hundred forty-two billion, nine hundred eighty-five million, nine hundred fifty-nine thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 6.42985959168 × 10¹¹

Factors of 642985959168

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 807

Divisors of 642985959168

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 32 36 38 42 48 49 54 56 57 63 64 72 76 84 96 98 108 112 114 126 128 133 144 147 152 163 168 171 189 192 196 216 224 228 252 256 266 288 294 304 326 336 342 378 384 392 399 432 441 448 456 489 504 513 532 576 588 608 613 652 672 684 756 768 784 798 864 882 896 912 931 978 1008 1026 1064 1141 1152 1176 1197 1216 1226 1304 1323 1344 1368 1467 1512 1568 1596 1728 1764 1792 1824 1839 1862 1956 2016 2052 2128 2282 2304 2352 2394 2432 2452 2608 2646 2688 2736 2793 2934 3024 3097 3136 3192 3423 3456 3528 3591 3648 3678 3724 3912 4032 4104 4256 4291 4401 4564 4704 4788 4864 4904 5216 5292 5376 5472 5517 5586 5868 6048 6194 6272 6384 6846 6912 7056 7182 7296 7356 7448 7824 7987 8064 8208 8379 8512 8582 8802 9128 9291 9408 9576 9808 10269 10432 10584 10944 11034 11172 11647 11736 12096 12388 12544 12768 12873 13692 14112 14364 14592 14712 14896 15648 15974 16128 16416 16551 16758 17024 17164 17604 18256 18582 18816 19152 19616 20538 20864 21168 21679 21888 22068 22344 23294 23472 23961 24192 24776 25137 25536 25746 27384 27873 28224 28728 29424 29792 30037 30807 31296 31948 32832 33102 33516 34048 34328 34941 35208 36512 37164 37632 38304 38619 39232 41076 41728 42336 43358 43776 44136 44688 46588 46944 47922 48384 49552 50274 51072 51492 54768 55746 56448 57456 58848 59584 60074 61614 62592 63896 65037 65664 66204 67032 68656 69882 70416 71883 73024 74328 76608 77238 78464 81529 82152 83619 84672 86716 88272 89376 90111 93176 93888 95844 99104 99919 100548 102144 102984 104823 109536 111492 112896 114912 115857 117696 119168 120148 123228 125184 127792 130074 131328 132408 134064 137312 139764 140832 143766 146048 148656 151753 153216 154476 156928 163058 164304 167238 169344 173432 176544 178752 180222 186352 187776 191688 195111 198208 199838 201096 205968 209646 215649 219072 222984 229824 231714 235392 238336 240296 244587 246456 255584 260148 264816 268128 270333 274624 279528 281664 287532 292096 297312 299757 303506 306432 308952 314469 326116 328608 334476 338688 346864 353088 357504 360444 372704 375552 383376 390222 396416 399676 402192 411936 419292 431298 438144 445968 455259 459648 463428 470784 480592 489174 492912 511168 520296 529632 536256 540666 549248 559056 563328 570703 575064 585333 594624 599514 607012 617904 628938 652232 657216 668952 693728 699433 706176 715008 720888 733761 745408 766752 780444 792832 799352 804384 810999 823872 838584 862596 876288 891936 899271 910518 919296 926856 961184 978348 985824 1022336 1040592 1059264 1072512 1081332 1098496 1118112 1126656 1141406 1150128 1170666 1189248 1199028 1214024 1235808 1257876 1304464 1314432 1337904 1365777 1387456 1398866 1412352 1441776 1467522 1490816 1533504 1560888 1598704 1608768 1621998 1647744 1677168 1712109 1725192 1783872 1798542 1821036 1853712 1898461 1922368 1956696 1971648 2044672 2081184 2098299 2118528 2145024 2162664 2201283 2236224 2282812 2300256 2341332 2378496 2398056 2428048 2471616 2515752 2608928 2628864 2675808 2697813 2731554 2774912 2797732 2883552 2935044 2981632 3067008 3121776 3197408 3217536 3243996 3295488 3354336 3424218 3450384 3567744 3597084 3642072 3707424 3796922 3844736 3913392 3943296 4097331 4162368 4196598 4237056 4325328 4402566 4472448 4565624 4600512 4682664 4796112 4856096 4896031 4943232 5031504 5136327 5217856 5351616 5395626 5463108 5549824 5595464 5695383 5767104 5870088 6134016 6243552 6294897 6394816 6435072 6487992 6708672 6848436 6900768 7135488 7194168 7284144 7414848 7593844 7689472 7826784 7886592 8194662 8324736 8393196 8650656 8805132 8944896 9131248 9201024 9365328 9592224 9712192 9792062 9886464 10063008 10272654 10435712 10703232 10791252 10926216 11190928 11390766 11534208 11740176 12487104 12589794 12789632 12975984 13289227 13417344 13696872 13801536 14388336 14568288 14688093 14829696 15187688 15408981 15653568 16389324 16649472 16786392 17086149 17301312 17610264 18262496 18402048 18730656 18884691 19184448 19424384 19584124 20126016 20545308 20871424 21406464 21582504 21852432 22381856 22781532 23068416 23480352 24974208 25179588 25579264 25951968 26578454 26834688 27393744 27603072 28776672 29136576 29376186 29659392 30375376 30817962 31307136 32778648 33572784 34172298 34602624 35220528 36524992 37461312 37769382 38368896 38848768 39168248 39867681 40252032 41090616 43165008 43704864 44064279 44763712 45563064 46960704 49948416 50359176 51258447 51903936 53156908 54787488 55206144 57553344 58273152 58752372 60750752 61635924 62614272 65557296 67145568 68344596 69205248 70441056 73049984 74922624 75538764 76737792 78336496 79735362 80504064 82181232 86330016 87409728 88128558 89527424 91126128 93024589 93921408 100718352 102516894 103807872 106313816 109574976 115106688 116546304 117504744 119603043 121501504 123271848 131114592 132192837 134291136 136689192 140882112 146099968 149845248 151077528 156672992 159470724 164362464 172660032 174819456 176257116 179054848 182252256 186049178 187842816 201436704 205033788 207615744 212627632 219149952 230213376 235009488 239206086 243003008 246543696 262229184 264385674 268582272 273378384 279073767 281764224 302155056 313345984 318941448 328724928 345320064 349638912 352514232 358809129 364504512 372098356 402873408 410067576 425255264 438299904 470018976 478412172 486006016 493087392 524458368 528771348 537164544 546756768 558147534 563528448 604310112 626691968 637882896 657449856 690640128 705028464 717618258 729009024 744196712 805746816 820135152 837221301 850510528 940037952 956824344 986174784 1048916736 1057542696 1093513536 1116295068 1208620224 1253383936 1275765792 1314899712 1410056928 1435236516 1458018048 1488393424 1611493632 1640270304 1674442602 1701021056 1880075904 1913648688 1972349568 2115085392 2187027072 2232590136 2417240448 2511663903 2551531584 2820113856 2870473032 2976786848 3280540608 3348885204 3402042112 3760151808 3827297376 3944699136 4230170784 4374054144 4465180272 4834480896 5023327806 5103063168 5640227712 5740946064 5953573696 6561081216 6697770408 7654594752 8460341568 8930360544 10046655612 10206126336 11280455424 11481892128 11907147392 13122162432 13395540816 15309189504 16920683136 17860721088 20093311224 22963784256 23814294784 26791081632 30618379008 33841366272 35721442176 40186622448 45927568512 53582163264 71442884352 80373244896 91855137024 107164326528 160746489792 214328653056 321492979584 642985959168
• Sum of all divisors σ(n): 2346377913600
• Sum of proper divisors (its aliquot sum) s(n): 1703391954432
• 642985959168 is an abundant number, because the sum of its proper divisors (1703391954432) is greater than itself. Its abundance is 1060405995264

Bases of 642985959168

• Binary: 1001010110110100111100110001111100000000₂
• Hexadecimal: 0x95B4F31F00
• Base-36: 87DT8LC0

Squares and roots of 642985959168

• 642985959168 squared (642985959168²) is 413430943687192963252224
• 642985959168 cubed (642985959168³) is 265830291876441162034231425349189632
• The square root of 642985959168 is 801864.0527969813
• The cube root of 642985959168 is 8631.1201669265

Scales and comparisons

• 642,985,959,168 seconds is equal to 20,444 years, 50 weeks, 1 day, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 642,985,959,168 would take you about forty thousand, eight hundred eighty-nine 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 642985959168 cubic inches would be around 719.3 feet tall.

Recreational maths with 642985959168

• 642985959168 backwards is 861959589246
• 642985959168 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642985959168's digits is 72
• More coming soon!