31313184912

Names of 31313184912

• Cardinal: 31313184912 can be written as Thirty-one billion, three hundred thirteen million, one hundred eighty-four thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 3.1313184912 × 10¹⁰

Factors of 31313184912

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 307

Divisors of 31313184912

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 103 144 199 206 309 398 412 597 618 796 824 927 1194 1236 1592 1648 1791 1854 2388 2472 3184 3582 3708 4776 4944 7164 7416 9552 10609 14328 14832 20497 21218 28656 31827 40994 42436 61491 63654 81988 84872 95481 122982 127308 163976 169744 184473 190962 245964 254616 327952 368946 381924 491928 509232 737892 763848 983856 1092727 1475784 1527696 2111191 2185454 2951568 3278181 4222382 4370908 6333573 6556362 8444764 8741816 9834543 12667146 13112724 16889528 17483632 19000719 19669086 25334292 26225448 33779056 38001438 39338172 50668584 52450896 76002876 78676344 101337168 152005752 157352688 217452673 304011504 434905346 652358019 869810692 1304716038 1739621384 1957074057 2609432076 3479242768 3914148114 5218864152 7828296228 10437728304 15656592456 31313184912
• Sum of all divisors σ(n): 88937264000
• Sum of proper divisors (its aliquot sum) s(n): 57624079088
• 31313184912 is an abundant number, because the sum of its proper divisors (57624079088) is greater than itself. Its abundance is 26310894176

Bases of 31313184912

• Binary: 11101001010011010010100100010010000₂
• Hexadecimal: 0x74A694890
• Base-36: EDV2840

Squares and roots of 31313184912

• 31313184912 squared (31313184912²) is 980515549333104447744
• 31313184912 cubed (31313184912³) is 30703064705358757855217513238528
• The square root of 31313184912 is 176955.3189706373
• The cube root of 31313184912 is 3151.9240755973

Scales and comparisons

• 31,313,184,912 seconds is equal to 995 years, 34 weeks, 3 days, 2 hours, 55 minutes, 12 seconds.
• To count from 1 to 31,313,184,912 would take you about one thousand, nine hundred ninety-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 31313184912 cubic inches would be around 262.7 feet tall.

Recreational maths with 31313184912

• 31313184912 backwards is 21948131313
• 31313184912 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31313184912's digits is 36
• More coming soon!