12981594400

Names of 12981594400

• Cardinal: 12981594400 can be written as Twelve billion, nine hundred eighty-one million, five hundred ninety-four thousand, four hundred.

Scientific notation

• Scientific notation: 1.29815944 × 10¹⁰

Factors of 12981594400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1001

Divisors of 12981594400

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 32 34 40 50 68 80 85 100 136 160 170 200 272 340 400 425 544 680 800 850 977 1360 1700 1954 2720 3400 3908 4885 6800 7816 9770 13600 15632 16609 19540 24425 31264 33218 39080 48850 66436 78160 83045 97700 132872 156320 166090 195400 265744 332180 390800 415225 531488 664360 781600 830450 954529 1328720 1660900 1909058 2657440 3321800 3818116 4772645 6643600 7636232 9545290 13287200 15272464 16226993 19090580 23863225 30544928 32453986 38181160 47726450 64907972 76362320 81134965 95452900 129815944 152724640 162269930 190905800 259631888 324539860 381811600 405674825 519263776 649079720 763623200 811349650 1298159440 1622699300 2596318880 3245398600 6490797200 12981594400
• Sum of all divisors σ(n): 33589893078
• Sum of proper divisors (its aliquot sum) s(n): 20608298678
• 12981594400 is an abundant number, because the sum of its proper divisors (20608298678) is greater than itself. Its abundance is 7626704278

Bases of 12981594400

• Binary: 1100000101110000110110100100100000₂
• Hexadecimal: 0x305C36920
• Base-36: 5YOWMCG

Squares and roots of 12981594400

• 12981594400 squared (12981594400²) is 168521793166111360000
• 12981594400 cubed (12981594400³) is 2187681566443149500752384000000
• The square root of 12981594400 is 113936.8000252771
• The cube root of 12981594400 is 2350.2244783303

Scales and comparisons

• 12,981,594,400 seconds is equal to 412 years, 40 weeks, 1 day, 22 hours, 26 minutes, 40 seconds.
• To count from 1 to 12,981,594,400 would take you about eight hundred twenty-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 12981594400 cubic inches would be around 195.9 feet tall.

Recreational maths with 12981594400

• 12981594400 backwards is 00449518921
• The number of decimal digits it has is: 11
• The sum of 12981594400's digits is 43
• More coming soon!