642401538670528

Names of 642401538670528

• Cardinal: 642401538670528 can be written as Six hundred forty-two trillion, four hundred one billion, five hundred thirty-eight million, six hundred seventy thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 6.42401538670528 × 10¹⁴

Factors of 642401538670528

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 13181

Divisors of 642401538670528

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 169 182 196 208 224 338 343 364 392 416 448 637 676 686 728 784 832 1183 1274 1352 1372 1456 1568 2366 2548 2704 2744 2912 3136 4459 4732 5096 5408 5488 5824 8281 8918 9464 10192 10816 10976 13159 16562 17836 18928 20384 21952 26318 33124 35672 37856 40768 52636 57967 66248 71344 75712 92113 105272 115934 132496 142688 171067 184226 210544 231868 264992 285376 342134 368452 421088 463736 529984 644791 684268 736904 842176 927472 1197469 1289582 1368536 1473808 1854944 2223871 2394938 2579164 2737072 2947616 3709888 4447742 4513537 4789876 5158328 5474144 5895232 8382283 8895484 9027074 9579752 10316656 10948288 15567097 16764566 17790968 18054148 19159504 20633312 31134194 33529132 35581936 36108296 38319008 41266624 58675981 62268388 67058264 71163872 72216592 76638016 108969679 117351962 124536776 134116528 142327744 144433184 173159281 217939358 234703924 249073552 268233056 288866368 346318562 435878716 469407848 498147104 536466112 692637124 762787753 871757432 938815696 996294208 1212114967 1385274248 1525575506 1743514864 1877631392 2251070653 2424229934 2770548496 3051151012 3487029728 3755262784 4502141306 4848459868 5541096992 6102302024 6974059456 8484804769 9004282612 9696919736 11082193984 12204604048 15757494571 16969609538 18008565224 19393839472 24409208096 29263918489 31514989142 33939219076 36017130448 38787678944 48818416192 58527836978 59393633383 63029978284 67878438152 72034260896 77575357888 110302461997 117055673956 118787266766 126059956568 135756876304 144068521792 204847429423 220604923994 234111347912 237574533532 252119913136 271513752608 409694858846 441209847988 468222695824 475149067064 504239826272 543027505216 772117233979 819389717692 882419695976 936445391648 950298134128 1008479652544 1433932005961 1544234467958 1638779435384 1764839391952 1872890783296 1900596268256 2867864011922 3088468935916 3277558870768 3529678783904 3801192536512 5735728023844 6176937871832 6555117741536 7059357567808 10037524041727 11471456047688 12353875743664 13110235483072 20075048083454 22942912095376 24707751487328 40150096166908 45885824190752 49415502974656 80300192333816 91771648381504 160600384667632 321200769335264 642401538670528
• Sum of all divisors σ(n): 1609880280512400
• Sum of proper divisors (its aliquot sum) s(n): 967478741841872
• 642401538670528 is an abundant number, because the sum of its proper divisors (967478741841872) is greater than itself. Its abundance is 325077203171344

Bases of 642401538670528

• Binary: 10010010000100001011000011100000111111111111000000₂
• Hexadecimal: 0x24842C383FFC0
• Base-36: 6BPN6XT3GG

Squares and roots of 642401538670528

• 642401538670528 squared (642401538670528²) is 412679736886261881393735798784
• 642401538670528 cubed (642401538670528³) is 265106097953883282292980867511679007479037952
• The square root of 642401538670528 is 25345641.4136736339
• The cube root of 642401538670528 is 86285.0438530373

Scales and comparisons

• 642,401,538,670,528 seconds is equal to 20,426,381 years, 44 weeks, 1 day, 20 hours, 55 minutes, 28 seconds.
• To count from 1 to 642,401,538,670,528 would take you about fifty-one million, sixty-five thousand, nine hundred fifty-four 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 642401538670528 cubic inches would be around 7190.4 feet tall.

Recreational maths with 642401538670528

• 642401538670528 backwards is 825076835104246
• The number of decimal digits it has is: 15
• The sum of 642401538670528's digits is 61
• More coming soon!