31209973311015

Names of 31209973311015

• Cardinal: 31209973311015 can be written as Thirty-one trillion, two hundred nine billion, nine hundred seventy-three million, three hundred eleven thousand and fifteen.

Scientific notation

• Scientific notation: 3.1209973311015 × 10¹³

Factors of 31209973311015

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1990

Divisors of 31209973311015

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 15 27 45 135 283 849 1415 1699 2547 4245 5097 7641 8495 12735 15291 25485 38205 45873 76455 80089 229365 240267 400445 480817 720801 1201335 1442451 2162403 2404085 2886601 3604005 4327353 7212255 8659803 10812015 12982059 14433005 21636765 25979409 43299015 64910295 77938227 129897045 136071211 389691135 408213633 680356055 816908083 1224640899 2041068165 2450724249 3673922697 4084540415 6123204495 7352172747 12253621245 18369613485 22056518241 36760863735 110282591205 231184987489 693554962467 1155924937445 2080664887401 3467774812335 6241994662203 10403324437005 31209973311015
• Sum of all divisors σ(n): 55713939905520
• Sum of proper divisors (its aliquot sum) s(n): 24503966594505
• 31209973311015 is a deficient number, because the sum of its proper divisors (24503966594505) is less than itself. Its deficiency is 6706006716510

Bases of 31209973311015

• Binary: 111000110001010100011010111110110011000100111₂
• Hexadecimal: 0x1C62A35F6627
• Base-36: B29NWAI3R

Squares and roots of 31209973311015

• 31209973311015 squared (31209973311015²) is 974062434074268601920330225
• 31209973311015 cubed (31209973311015³) is 30400462570720230994289903699585429928375
• The square root of 31209973311015 is 5586588.7007202347
• The cube root of 31209973311015 is 31484.5723767849

Scales and comparisons

• 31,209,973,311,015 seconds is equal to 992,380 years, 31 weeks, 5 days, 22 hours, 50 minutes, 15 seconds.
• To count from 1 to 31,209,973,311,015 would take you about two million, four hundred eighty thousand, nine hundred fifty-one 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 31209973311015 cubic inches would be around 2623.7 feet tall.

Recreational maths with 31209973311015

• 31209973311015 backwards is 51011337990213
• 31209973311015 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31209973311015's digits is 45
• More coming soon!