642973431843

Names of 642973431843

• Cardinal: 642973431843 can be written as Six hundred forty-two billion, nine hundred seventy-three million, four hundred thirty-one thousand, eight hundred forty-three.

Scientific notation

• Scientific notation: 6.42973431843 × 10¹¹

Factors of 642973431843

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 873

Divisors of 642973431843

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 17 27 51 59 61 81 153 177 183 243 459 531 549 733 1003 1037 1377 1593 1647 2199 3009 3111 3481 3599 4131 4779 4941 6597 9027 9333 10443 10797 12461 14337 14823 19791 27081 27999 31329 32391 37383 43247 44713 59177 59373 61183 81243 83997 93987 97173 112149 129741 134139 177531 178119 183549 212341 243729 251991 281961 291519 336447 389223 402417 532593 550647 637023 735199 760121 845883 874557 1009341 1167669 1207251 1597779 1651941 1911069 2205597 2280363 2551573 2638067 3028023 3503007 3609797 3621753 4793337 4955823 5733207 6616791 6841089 7654719 7914201 10509021 10829391 10865259 14380011 14867469 17199621 19850373 20523267 22964157 23742603 32488173 43376741 44847139 51598863 59551119 61569801 68892471 71227809 97464519 130130223 134541417 155645953 178653357 184709403 206677413 213683427 292393557 390390669 403624251 466937859 620032239 641050281 877180671 1171172007 1210872753 1400813577 2645981201 3513516021 3632618259 4202440731 7937943603 10540548063 10897854777 12607322193 23813830809 37821966579 71441492427 214324477281 642973431843
• Sum of all divisors σ(n): 1055814361056
• Sum of proper divisors (its aliquot sum) s(n): 412840929213
• 642973431843 is a deficient number, because the sum of its proper divisors (412840929213) is less than itself. Its deficiency is 230132502630

Bases of 642973431843

• Binary: 1001010110110100001100111111100000100011₂
• Hexadecimal: 0x95B433F823
• Base-36: 87DLS36R

Squares and roots of 642973431843

• 642973431843 squared (642973431843²) is 413414834055964966376649
• 642973431843 cubed (642973431843³) is 265814754627768145556172112468234107
• The square root of 642973431843 is 801856.2413818327
• The cube root of 642973431843 is 8631.0641130587

Scales and comparisons

• 642,973,431,843 seconds is equal to 20,444 years, 29 weeks, 3 days, 3 hours, 4 minutes, 3 seconds.
• To count from 1 to 642,973,431,843 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 642973431843 cubic inches would be around 719.3 feet tall.

Recreational maths with 642973431843

• 642973431843 backwards is 348134379246
• The number of decimal digits it has is: 12
• The sum of 642973431843's digits is 54
• More coming soon!