12445905807888400

Names of 12445905807888400

• Cardinal: 12445905807888400 can be written as Twelve quadrillion, four hundred forty-five trillion, nine hundred five billion, eight hundred seven million, eight hundred eighty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.24459058078884 × 10¹⁶

Factors of 12445905807888400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8857

Divisors of 12445905807888400

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 683 1366 2732 3415 5464 6830 8167 10928 13660 16334 17075 27320 32668 34150 40835 54640 65336 68300 81670 130672 136600 163340 204175 273200 326680 408350 466489 653360 816700 932978 1633400 1865956 2332445 3266800 3731912 4664890 5578061 7463824 9329780 11156122 11662225 18659560 22312244 23324450 27890305 37319120 44624488 46648900 55780610 66699889 89248976 93297800 111561220 133399778 139451525 186595600 223122440 266799556 278903050 333499445 446244880 533599112 557806100 666998890 1067198224 1115612200 1333997780 1667497225 2231224400 2667995560 3334994450 3809815663 5335991120 6669988900 7619631326 13339977800 15239262652 19049078315 26679955600 30478525304 38098156630 45556024187 60957050608 76196313260 91112048374 95245391575 152392626520 182224096748 190490783150 227780120935 304785253040 364448193496 380981566300 455560241870 728896386992 761963132600 911120483740 1138900604675 1523926265200 1822240967480 2277801209350 3644481934960 4555602418700 9111204837400 18222409674800 31114764519721 62229529039442 124459058078884 155573822598605 248918116157768 311147645197210 497836232315536 622295290394420 777869112993025 1244590580788840 1555738225986050 2489181161577680 3111476451972100 6222952903944200 12445905807888400
• Sum of all divisors σ(n): 29948799191459421
• Sum of proper divisors (its aliquot sum) s(n): 17502893383571021
• 12445905807888400 is an abundant number, because the sum of its proper divisors (17502893383571021) is greater than itself. Its abundance is 5056987575682621

Bases of 12445905807888400

• Binary: 101100001101110111110001000010100101100101000000010000₂
• Hexadecimal: 0x2C377C42965010
• Base-36: 3EJPE7291XS

Squares and roots of 12445905807888400

• 12445905807888400 squared (12445905807888400²) is 154900571378830206687666854560000
• 12445905807888400 cubed (12445905807888400³) is 1927877920969014533893995896071051663511104000000
• 12445905807888400 is a perfect square number. Its square root is 111561220
• The cube root of 12445905807888400 is 231744.1802652437

Scales and comparisons

• 12,445,905,807,888,400 seconds is equal to 395,741,306 years, 50 weeks, 5 days, 10 hours, 46 minutes, 40 seconds.
• To count from 1 to 12,445,905,807,888,400 would take you about one billion, one hundred eighty-seven million, two hundred twenty-three thousand, nine hundred twenty 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 12445905807888400 cubic inches would be around 19312 feet tall.

Recreational maths with 12445905807888400

• 12445905807888400 backwards is 00488870850954421
• The number of decimal digits it has is: 17
• The sum of 12445905807888400's digits is 73
• More coming soon!