642144621888

Names of 642144621888

• Cardinal: 642144621888 can be written as Six hundred forty-two billion, one hundred forty-four million, six hundred twenty-one thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 6.42144621888 × 10¹¹

Factors of 642144621888

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4547

Divisors of 642144621888

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 54 56 63 64 66 72 77 84 88 96 99 108 112 126 132 144 154 168 176 189 192 198 216 224 231 252 264 288 297 308 336 352 378 396 432 448 462 504 528 576 594 616 672 693 704 756 792 864 924 1008 1056 1188 1232 1344 1386 1512 1584 1723 1728 1848 2016 2079 2112 2376 2464 2772 2801 3024 3168 3446 3696 4032 4158 4752 4928 5169 5544 5602 6048 6336 6892 7392 8316 8403 9504 10338 11088 11204 12061 12096 13784 14784 15507 16632 16806 18953 19008 19607 20676 22176 22408 24122 25209 27568 30811 31014 33264 33612 36183 37906 39214 41352 44352 44816 46521 48244 50418 55136 56859 58821 61622 62028 66528 67224 72366 75627 75812 78428 82704 89632 92433 93042 96488 100836 108549 110272 113718 117642 123244 124056 132671 133056 134448 144732 151254 151624 156856 165408 170577 176463 179264 184866 186084 192976 201672 215677 217098 227436 235284 246488 248112 265342 268896 277299 289464 302508 303248 313712 325647 330816 341154 352926 369732 372168 385952 398013 403344 431354 434196 454872 470568 492976 496224 511731 529389 530684 537792 554598 578928 605016 606496 627424 647031 651294 682308 705852 739464 744336 771904 796026 806688 831897 862708 868392 909744 941136 985952 992448 1023462 1058778 1061368 1109196 1157856 1194039 1210032 1212992 1254848 1294062 1302588 1364616 1411704 1478928 1488672 1592052 1613376 1663794 1725416 1736784 1819488 1882272 1941093 1971904 2046924 2117556 2122736 2218392 2315712 2388078 2420064 2588124 2605176 2729232 2823408 2957856 2977344 3184104 3327588 3450832 3473568 3582117 3638976 3764544 3882186 4093848 4235112 4245472 4436784 4776156 4826123 4840128 5176248 5210352 5458464 5646816 5823279 5915712 6368208 6655176 6901664 6947136 7164234 7764372 8187696 8470224 8490944 8873568 9552312 9652246 10352496 10420704 10916928 11293632 11646558 12736416 13310352 13803328 14328468 14478369 15528744 16375392 16940448 17747136 19104624 19304492 20704992 20841408 23293116 25472832 26620704 28656936 28956738 31057488 32750784 33782861 33880896 38209248 38608984 41409984 43435107 46586232 53087353 53241408 57313872 57913476 62114976 67565722 76418496 77217968 86870214 93172464 101348583 106174706 114627744 115826952 124229952 130305321 135131444 154435936 159262059 173740428 186344928 202697166 212349412 229255488 231653904 260610642 270262888 304045749 308871872 318524118 347480856 371611471 372689856 405394332 424698824 463307808 477786177 521221284 540525776 608091498 637048236 694961712 743222942 810788664 849397648 912137247 926615616 955572354 1042442568 1081051552 1114834413 1216182996 1274096472 1389923424 1433358531 1486445884 1621577328 1698795296 1824274494 1911144708 2084885136 2162103104 2229668826 2432365992 2548192944 2779846848 2866717062 2972891768 3243154656 3344503239 3397590592 3648548988 3822289416 4169770272 4459337652 4864731984 5096385888 5733434124 5945783536 6486309312 6689006478 7297097976 7644578832 8339540544 8918675304 9729463968 10033509717 10192771776 11466868248 11891567072 13378012956 14594195952 15289157664 17837350608 19458927936 20067019434 22933736496 23783134144 26756025912 29188391904 30578315328 35674701216 40134038868 45867472992 53512051824 58376783808 71349402432 80268077736 91734945984 107024103648 160536155472 214048207296 321072310944 642144621888
• Sum of all divisors σ(n): 2355810416640
• Sum of proper divisors (its aliquot sum) s(n): 1713665794752
• 642144621888 is an abundant number, because the sum of its proper divisors (1713665794752) is greater than itself. Its abundance is 1071521172864

Bases of 642144621888

• Binary: 1001010110000010110011010101010101000000₂
• Hexadecimal: 0x9582CD5540
• Base-36: 86ZWBTC0

Squares and roots of 642144621888

• 642144621888 squared (642144621888²) is 412349715419682488684544
• 642144621888 cubed (642144621888³) is 264788152093796414929351345389699072
• The square root of 642144621888 is 801339.2676563405
• The cube root of 642144621888 is 8627.3539609243

Scales and comparisons

• 642,144,621,888 seconds is equal to 20,418 years, 11 weeks, 10 hours, 4 minutes, 48 seconds.
• To count from 1 to 642,144,621,888 would take you about forty thousand, eight hundred thirty-six 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 642144621888 cubic inches would be around 718.9 feet tall.

Recreational maths with 642144621888

• 642144621888 backwards is 888126441246
• 642144621888 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642144621888's digits is 54
• More coming soon!