31720680272

Names of 31720680272

• Cardinal: 31720680272 can be written as Thirty-one billion, seven hundred twenty million, six hundred eighty thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 3.1720680272 × 10¹⁰

Factors of 31720680272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 13678

Divisors of 31720680272

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 19 38 61 76 122 127 152 244 254 304 488 508 976 1016 1159 2032 2318 2413 4636 4826 7747 9272 9652 13469 15494 18544 19304 26938 30988 38608 53876 61976 107752 123952 147193 215504 255911 294386 511822 588772 821609 1023644 1177544 1643218 1710563 2047288 2355088 3286436 3421126 4094576 6572872 6842252 13145744 13684504 15610571 27369008 31221142 32500697 62442284 65001394 104344343 124884568 130002788 208688686 249769136 260005576 417377372 520011152 834754744 1669509488 1982542517 3965085034 7930170068 15860340136 31720680272
• Sum of all divisors σ(n): 66276710400
• Sum of proper divisors (its aliquot sum) s(n): 34556030128
• 31720680272 is an abundant number, because the sum of its proper divisors (34556030128) is greater than itself. Its abundance is 2835349856

Bases of 31720680272

• Binary: 11101100010101100110010101101010000₂
• Hexadecimal: 0x762B32B50
• Base-36: EKLO9JK

Squares and roots of 31720680272

• 31720680272 squared (31720680272²) is 1006201556918449993984
• 31720680272 cubed (31720680272³) is 31917397876198761836986787483648
• The square root of 31720680272 is 178103.0046686467
• The cube root of 31720680272 is 3165.5377537555

Scales and comparisons

• 31,720,680,272 seconds is equal to 1,008 years, 32 weeks, 1 day, 12 hours, 4 minutes, 32 seconds.
• To count from 1 to 31,720,680,272 would take you about two thousand and seventeen 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 31720680272 cubic inches would be around 263.8 feet tall.

Recreational maths with 31720680272

• 31720680272 backwards is 27208602713
• 31720680272 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31720680272's digits is 38
• More coming soon!