90907948231821

Names of 90907948231821

• Cardinal: 90907948231821 can be written as Ninety trillion, nine hundred seven billion, nine hundred forty-eight million, two hundred thirty-one thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 9.0907948231821 × 10¹³

Factors of 90907948231821

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 641

Divisors of 90907948231821

• Number of divisors d(n): 336
• Complete list of divisors:
  1 3 7 9 21 27 31 37 49 63 81 93 111 147 189 217 243 259 279 333 343 441 563 567 651 729 777 837 999 1029 1147 1323 1519 1689 1701 1813 1953 2331 2511 2997 3087 3441 3941 3969 4557 5067 5103 5439 5859 6993 7533 8029 8991 9261 10323 10633 11823 11907 12691 13671 15201 16317 17453 17577 20831 20979 22599 24087 26973 27587 27783 30969 31899 35469 35721 38073 41013 45603 48951 52359 52731 56203 62493 62937 72261 82761 83349 92907 95697 106407 114219 122171 123039 136809 145817 146853 157077 158193 168609 187479 188811 193109 216783 248283 250047 278721 287091 316969 319221 342657 366513 369117 393421 410427 437451 440559 471231 505827 562437 579327 645761 650349 744849 836163 855197 861273 950907 957663 1020719 1027971 1099539 1107351 1180263 1312353 1321677 1413693 1517481 1687311 1737981 1937283 1951047 2218783 2234547 2565591 2583819 2852721 2872989 3062157 3083913 3298617 3540789 3937059 4241079 4520327 4552443 5061933 5213943 5811849 5853141 5986379 6656349 6703641 7145033 7696773 7751457 8558163 9186471 9251739 9826039 9895851 10622367 11727853 11811177 12723237 13560981 13657329 15185799 15531481 15641829 17435547 17959137 19969047 20110923 21435099 23090319 25674489 27559413 29478117 29687553 31642289 31867101 35183559 35433531 40682943 40971987 46594443 46925487 52306641 53877411 59907141 64305297 68782273 69270957 77023467 82094971 82678239 88434351 89062659 94926867 95601303 105550677 106300593 108720367 122048829 139783329 140776461 156919923 161632233 179721423 192915891 206346819 207812871 221496023 231070401 246284913 248034717 265303053 284780601 286803909 316652031 326161101 363563443 366146487 419349987 470759769 481475911 484896699 539164269 574664797 578747673 619040457 623438613 664488069 738854739 744104151 795909159 854341803 949956093 978483303 1090690329 1098439461 1258049961 1444427733 1454690097 1617492807 1723994391 1736243019 1857121371 1993464207 2216564217 2387727477 2544944101 2563025409 2849868279 2935449909 3272070987 3295318383 3370331377 3774149883 4022653579 4333283199 4364070291 5171983173 5208729057 5571364113 5980392621 6649692651 7163182431 7634832303 7689076227 8549604837 8806349727 9816212961 10110994131 11322449649 12067960737 12999849597 15515949519 16714092339 17814608707 17941177863 19949077953 22904496909 23067228681 26419049181 29448638883 30332982393 36203882211 38999548791 46547848557 50142277017 53443826121 53823533589 59847233859 68713490727 79257147543 88345916649 90998947179 108611646633 116998646373 124702260949 139643545671 160331478363 161470600767 206140472181 265037749947 272996841537 325834939899 350995939119 374106782847 418930637013 480994435089 618421416543 818990524611 977504819697 1122320348541 1442983305267 1855264249629 2456971573833 2932514459091 3366961045623 4328949915801 10100883136869 12986849747403 30302649410607 90907948231821
• Sum of all divisors σ(n): 168811719961600
• Sum of proper divisors (its aliquot sum) s(n): 77903771729779
• 90907948231821 is a deficient number, because the sum of its proper divisors (77903771729779) is less than itself. Its deficiency is 13004176502042

Bases of 90907948231821

• Binary: 10100101010111000100111111101100010110010001101₂
• Hexadecimal: 0x52AE27F62C8D
• Base-36: W82J97BT9

Squares and roots of 90907948231821

• 90907948231821 squared (90907948231821²) is 8264255051719446880356976041
• 90907948231821 cubed (90907948231821³) is 751286470416276657932908094623708410800661
• The square root of 90907948231821 is 9534565.9697660595
• The cube root of 90907948231821 is 44964.2429087483

Scales and comparisons

• 90,907,948,231,821 seconds is equal to 2,890,591 years, 28 weeks, 6 days, 18 hours, 10 minutes, 21 seconds.
• To count from 1 to 90,907,948,231,821 would take you about seven million, two hundred twenty-six thousand, four hundred seventy-eight 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 90907948231821 cubic inches would be around 3747 feet tall.

Recreational maths with 90907948231821

• 90907948231821 backwards is 12813284970909
• 90907948231821 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 90907948231821's digits is 63
• More coming soon!