31455418631

Names of 31455418631

• Cardinal: 31455418631 can be written as Thirty-one billion, four hundred fifty-five million, four hundred eighteen thousand, six hundred thirty-one.

Scientific notation

• Scientific notation: 3.1455418631 × 10¹⁰

Factors of 31455418631

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 79

Divisors of 31455418631

• Number of divisors d(n): 144
• Complete list of divisors:
  1 7 13 17 19 23 49 91 119 133 161 221 247 289 299 323 391 437 529 637 833 931 1127 1547 1729 2023 2093 2261 2737 3059 3703 3757 4199 4913 5083 5491 5681 6647 6877 7429 8993 10051 10829 12103 14161 14651 15827 19159 21413 25921 26299 29393 34391 35581 38437 39767 46529 48139 52003 62951 63869 70357 71383 86411 93347 96577 112999 116909 126293 130663 152881 170867 184093 205751 240737 249067 269059 278369 325703 336973 364021 440657 447083 492499 499681 604877 653429 676039 790993 818363 884051 914641 1070167 1196069 1213511 1468987 1641809 1987453 2146981 2221271 2598977 2904739 3129581 3497767 4234139 4574003 4732273 5536951 5728541 6188357 6402487 7491169 8372483 8494577 10282909 11492663 13912171 15028867 15548897 18192839 20333173 27910753 33786701 37761607 49380563 59462039 71980363 80448641 97385197 105202069 108842279 127349873 142332211 195375271 236506907 264331249 345663941 641947319 1367626897 1655548349 1850318743 2419647587 4493631233 31455418631
• Sum of all divisors σ(n): 46071093600
• Sum of proper divisors (its aliquot sum) s(n): 14615674969
• 31455418631 is a deficient number, because the sum of its proper divisors (14615674969) is less than itself. Its deficiency is 16839743662

Bases of 31455418631

• Binary: 11101010010111000111001100100000111₂
• Hexadecimal: 0x752E39907
• Base-36: EG7QSCN

Squares and roots of 31455418631

• 31455418631 squared (31455418631²) is 989443361251461914161
• 31455418631 cubed (31455418631³) is 31123355139828498570686842133591
• The square root of 31455418631 is 177356.7552449017
• The cube root of 31455418631 is 3156.6891908575

Scales and comparisons

• 31,455,418,631 seconds is equal to 1,000 years, 9 weeks, 4 days, 8 hours, 17 minutes, 11 seconds.
• To count from 1 to 31,455,418,631 would take you about two thousand 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 31455418631 cubic inches would be around 263.1 feet tall.

Recreational maths with 31455418631

• 31455418631 backwards is 13681455413
• The number of decimal digits it has is: 11
• The sum of 31455418631's digits is 41
• More coming soon!