399720740472

Names of 399720740472

• Cardinal: 399720740472 can be written as Three hundred ninety-nine billion, seven hundred twenty million, seven hundred forty thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 3.99720740472 × 10¹¹

Factors of 399720740472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 570

Divisors of 399720740472

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 37 72 74 97 111 148 194 222 291 296 333 388 431 444 582 666 776 862 873 888 1164 1293 1332 1369 1724 1746 2328 2586 2664 2738 3448 3492 3589 3879 4107 5172 5476 6984 7178 7758 8214 9409 10344 10767 10952 12321 14356 15516 15947 16428 18818 21534 24642 28227 28712 31032 31894 32301 32856 37636 41807 43068 47841 49284 56454 63788 64602 75272 83614 84681 86136 95682 98568 112908 125421 127576 129204 132793 143523 167228 169362 191364 225816 250842 258408 265586 287046 334456 338724 348133 376263 382728 398379 501684 531172 574092 590039 677448 696266 752526 796758 1003368 1044399 1062344 1148184 1180078 1195137 1392532 1505052 1546859 1593516 1770117 2088798 2360156 2390274 2785064 3010104 3093718 3133197 3187032 3540234 4055279 4177596 4640577 4720312 4780548 5310351 6187436 6266394 7080468 8110558 8355192 9281154 9561096 10620702 12165837 12374872 12532788 12880921 13921731 14160936 16221116 18562308 21241404 24331674 25065576 25761842 27843462 32442232 36497511 37124616 38642763 42482808 48663348 51523684 55686924 57233783 72995022 77285526 97326696 103047368 111373848 114467566 115928289 145990044 150045323 154571052 171701349 228935132 231856578 291980088 300090646 309142104 343402698 450135969 457870264 463713156 515104047 600181292 686805396 900271938 927426312 1030208094 1200362584 1350407907 1373610792 1800543876 2060416188 2700815814 3601087752 4120832376 5401631628 5551676951 10803263256 11103353902 16655030853 22206707804 33310061706 44413415608 49965092559 66620123412 99930185118 133240246824 199860370236 399720740472
• Sum of all divisors σ(n): 1126823639760
• Sum of proper divisors (its aliquot sum) s(n): 727102899288
• 399720740472 is an abundant number, because the sum of its proper divisors (727102899288) is greater than itself. Its abundance is 327382158816

Bases of 399720740472

• Binary: 101110100010001001101100111011001111000₂
• Hexadecimal: 0x5D11367678
• Base-36: 53MNEPA0

Squares and roots of 399720740472

• 399720740472 squared (399720740472²) is 159776670363483978782784
• 399720740472 cubed (399720740472³) is 63866048987842473388763157725634048
• The square root of 399720740472 is 632234.7194452389
• The cube root of 399720740472 is 7366.3479299325

Scales and comparisons

• 399,720,740,472 seconds is equal to 12,709 years, 45 weeks, 6 days, 11 hours, 1 minute, 12 seconds.
• To count from 1 to 399,720,740,472 would take you about twenty-five thousand, four hundred nineteen 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 399720740472 cubic inches would be around 613.9 feet tall.

Recreational maths with 399720740472

• 399720740472 backwards is 274047027993
• The number of decimal digits it has is: 12
• The sum of 399720740472's digits is 54
• More coming soon!