12513739520

Names of 12513739520

• Cardinal: 12513739520 can be written as Twelve billion, five hundred thirteen million, seven hundred thirty-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.251373952 × 10¹⁰

Factors of 12513739520

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 165767

Divisors of 12513739520

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 59 64 80 118 128 160 236 256 295 320 472 590 640 944 1180 1280 1888 2360 3776 4720 7552 9440 15104 18880 37760 75520 165701 331402 662804 828505 1325608 1657010 2651216 3314020 5302432 6628040 9776359 10604864 13256080 19552718 21209728 26512160 39105436 42419456 48881795 53024320 78210872 97763590 106048640 156421744 195527180 212097280 312843488 391054360 625686976 782108720 1251373952 1564217440 2502747904 3128434880 6256869760 12513739520
• Sum of all divisors σ(n): 30482539920
• Sum of proper divisors (its aliquot sum) s(n): 17968800400
• 12513739520 is an abundant number, because the sum of its proper divisors (17968800400) is greater than itself. Its abundance is 5455060880

Bases of 12513739520

• Binary: 1011101001111000001000001100000000₂
• Hexadecimal: 0x2E9E08300
• Base-36: 5QYCV7K

Squares and roots of 12513739520

• 12513739520 squared (12513739520²) is 156593676774409830400
• 12513739520 cubed (12513739520³) is 1959572481634038419352977408000
• The square root of 12513739520 is 111864.8270011625
• The cube root of 12513739520 is 2321.6444148221

Scales and comparisons

• 12,513,739,520 seconds is equal to 397 years, 46 weeks, 4 days, 22 hours, 45 minutes, 20 seconds.
• To count from 1 to 12,513,739,520 would take you about seven hundred ninety-five 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 12513739520 cubic inches would be around 193.5 feet tall.

Recreational maths with 12513739520

• 12513739520 backwards is 02593731521
• The number of decimal digits it has is: 11
• The sum of 12513739520's digits is 38
• More coming soon!