31813843712

Names of 31813843712

• Cardinal: 31813843712 can be written as Thirty-one billion, eight hundred thirteen million, eight hundred forty-three thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 3.1813843712 × 10¹⁰

Factors of 31813843712

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 32439

Divisors of 31813843712

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 256 448 557 896 1114 1792 2228 3899 4456 7798 8912 15596 17824 31192 31873 35648 62384 63746 71296 124768 127492 142592 223111 249536 254984 446222 499072 509968 892444 998144 1019936 1784888 2039872 3569776 4079744 7139552 8159488 14279104 17753261 28558208 35506522 57116416 71013044 124272827 142026088 248545654 284052176 497091308 568104352 994182616 1136208704 1988365232 2272417408 3976730464 4544834816 7953460928 15906921856 31813843712
• Sum of all divisors σ(n): 72707908896
• Sum of proper divisors (its aliquot sum) s(n): 40894065184
• 31813843712 is an abundant number, because the sum of its proper divisors (40894065184) is greater than itself. Its abundance is 9080221472

Bases of 31813843712

• Binary: 11101101000010000001011101100000000₂
• Hexadecimal: 0x76840BB00
• Base-36: EM552WW

Squares and roots of 31813843712

• 31813843712 squared (31813843712²) is 1012120651731561938944
• 31813843712 cubed (31813843712³) is 32199448231875493703212102320128
• The square root of 31813843712 is 178364.3566186921
• The cube root of 31813843712 is 3168.6337796039

Scales and comparisons

• 31,813,843,712 seconds is equal to 1,011 years, 30 weeks, 1 day, 18 hours, 48 minutes, 32 seconds.
• To count from 1 to 31,813,843,712 would take you about two thousand and twenty-three 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 31813843712 cubic inches would be around 264.1 feet tall.

Recreational maths with 31813843712

• 31813843712 backwards is 21734831813
• The number of decimal digits it has is: 11
• The sum of 31813843712's digits is 41
• More coming soon!