31229666972

Names of 31229666972

• Cardinal: 31229666972 can be written as Thirty-one billion, two hundred twenty-nine million, six hundred sixty-six thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 3.1229666972 × 10¹⁰

Factors of 31229666972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1360

Divisors of 31229666972

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 28 29 31 58 62 116 124 203 217 406 434 812 868 899 961 1291 1798 1922 2582 3596 3844 5164 6293 6727 9037 12586 13454 18074 25172 26908 27869 29791 36148 37439 40021 55738 59582 74878 80042 111476 119164 149756 160084 195083 208537 262073 280147 390166 417074 524146 560294 780332 834148 863939 1048292 1120588 1160609 1240651 1727878 2321218 2481302 3455756 4642436 4962604 6047573 8124263 8684557 12095146 16248526 17369114 24190292 32497052 34738228 35978879 38460181 71957758 76920362 143915516 153840724 251852153 269221267 503704306 538442534 1007408612 1076885068 1115345249 2230690498 4461380996 7807416743 15614833486 31229666972
• Sum of all divisors σ(n): 66818519040
• Sum of proper divisors (its aliquot sum) s(n): 35588852068
• 31229666972 is an abundant number, because the sum of its proper divisors (35588852068) is greater than itself. Its abundance is 4359185096

Bases of 31229666972

• Binary: 11101000101011011101110011010011100₂
• Hexadecimal: 0x7456EE69C
• Base-36: ECHC598

Squares and roots of 31229666972

• 31229666972 squared (31229666972²) is 975292099182027648784
• 31229666972 cubed (31229666972³) is 30458047457877517079220500762048
• The square root of 31229666972 is 176719.1754507699
• The cube root of 31229666972 is 3149.1193295859

Scales and comparisons

• 31,229,666,972 seconds is equal to 993 years, 2 days, 11 hours, 29 minutes, 32 seconds.
• To count from 1 to 31,229,666,972 would take you about one thousand, nine hundred eighty-six 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 31229666972 cubic inches would be around 262.4 feet tall.

Recreational maths with 31229666972

• 31229666972 backwards is 27966692213
• The number of decimal digits it has is: 11
• The sum of 31229666972's digits is 53
• More coming soon!