31157329152

Names of 31157329152

• Cardinal: 31157329152 can be written as Thirty-one billion, one hundred fifty-seven million, three hundred twenty-nine thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 3.1157329152 × 10¹⁰

Factors of 31157329152

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 15021

Divisors of 31157329152

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 3533 7066 10599 11483 14132 21198 22966 28264 34449 42396 45932 56528 68898 84792 91864 113056 137796 169584 183728 226112 275592 339168 367456 452224 551184 678336 734912 904448 1102368 1356672 1469824 2204736 2713344 2939648 4409472 8818944 40569439 81138878 121708317 162277756 243416634 324555512 486833268 649111024 973666536 1298222048 1947333072 2596444096 3894666144 5192888192 7789332288 10385776384 15578664576 31157329152
• Sum of all divisors σ(n): 82954628064
• Sum of proper divisors (its aliquot sum) s(n): 51797298912
• 31157329152 is an abundant number, because the sum of its proper divisors (51797298912) is greater than itself. Its abundance is 20639969760

Bases of 31157329152

• Binary: 11101000001000111110001110100000000₂
• Hexadecimal: 0x7411F1D00
• Base-36: EBA9P1C

Squares and roots of 31157329152

• 31157329152 squared (31157329152²) is 970779159886069039104
• 31157329152 cubed (31157329152³) is 30246885818472287870759687159808
• The square root of 31157329152 is 176514.3879461389
• The cube root of 31157329152 is 3146.6859965617

Scales and comparisons

• 31,157,329,152 seconds is equal to 990 years, 36 weeks, 5 days, 5 hours, 39 minutes, 12 seconds.
• To count from 1 to 31,157,329,152 would take you about one thousand, nine hundred eighty-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 31157329152 cubic inches would be around 262.2 feet tall.

Recreational maths with 31157329152

• 31157329152 backwards is 25192375113
• The number of decimal digits it has is: 11
• The sum of 31157329152's digits is 39
• More coming soon!