31621270768

Names of 31621270768

• Cardinal: 31621270768 can be written as Thirty-one billion, six hundred twenty-one million, two hundred seventy thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 3.1621270768 × 10¹⁰

Factors of 31621270768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1284

Divisors of 31621270768

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 61 122 127 244 254 337 488 508 674 757 976 1016 1348 1514 2032 2696 3028 5392 6056 7747 12112 15494 20557 30988 41114 42799 46177 61976 82228 85598 92354 96139 123952 164456 171196 184708 192278 255109 328912 342392 369416 384556 510218 684784 738832 769112 1020436 1538224 2040872 2610739 4081744 5221478 5864479 10442956 11728958 15561649 20885912 23457916 31123298 32398843 41771824 46915832 62246596 64797686 93831664 124493192 129595372 248986384 259190744 518381488 1976329423 3952658846 7905317692 15810635384 31621270768
• Sum of all divisors σ(n): 63030283264
• Sum of proper divisors (its aliquot sum) s(n): 31409012496
• 31621270768 is a deficient number, because the sum of its proper divisors (31409012496) is less than itself. Its deficiency is 212258272

Bases of 31621270768

• Binary: 11101011100110001100100110011110000₂
• Hexadecimal: 0x75CC64CF0
• Base-36: EIYHKOG

Squares and roots of 31621270768

• 31621270768 squared (31621270768²) is 999904764983171309824
• 31621270768 cubed (31621270768³) is 31618259315746264951273922424832
• The square root of 31621270768 is 177823.7069909409
• The cube root of 31621270768 is 3162.2274649155

Scales and comparisons

• 31,621,270,768 seconds is equal to 1,005 years, 23 weeks, 5 days, 22 hours, 19 minutes, 28 seconds.
• To count from 1 to 31,621,270,768 would take you about two thousand and ten 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 31621270768 cubic inches would be around 263.5 feet tall.

Recreational maths with 31621270768

• 31621270768 backwards is 86707212613
• The number of decimal digits it has is: 11
• The sum of 31621270768's digits is 43
• More coming soon!