399725742130

Names of 399725742130

• Cardinal: 399725742130 can be written as Three hundred ninety-nine billion, seven hundred twenty-five million, seven hundred forty-two thousand, one hundred thirty.

Scientific notation

• Scientific notation: 3.9972574213 × 10¹¹

Factors of 399725742130

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 102

Divisors of 399725742130

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 5 10 11 13 22 26 55 65 71 110 121 130 142 143 242 286 355 605 710 715 781 923 1210 1430 1562 1573 1846 3146 3905 4615 5041 7810 7865 8591 9230 10082 10153 15730 17182 20306 25205 42955 50410 50765 55451 65533 85910 101530 110902 111683 131066 223366 277255 327665 357911 554510 558415 609961 655330 715822 720863 1116830 1219922 1441726 1789555 3049805 3579110 3604315 3937021 4652843 6099610 7208630 7874042 7929493 9305686 15858986 19685105 23264215 25411681 39370210 39647465 43307231 46528430 50823362 51181273 79294930 86614462 102362546 127058405 216536155 254116810 255906365 279528491 330351853 433072310 511812730 559056982 562994003 660703706 1125988006 1397642455 1651759265 2795284910 2814970015 3074813401 3303518530 3633870383 5629940030 6149626802 7267740766 15374067005 18169351915 30748134010 36338703830 39972574213 79945148426 199862871065 399725742130
• Sum of all divisors σ(n): 863865012780
• Sum of proper divisors (its aliquot sum) s(n): 464139270650
• 399725742130 is an abundant number, because the sum of its proper divisors (464139270650) is greater than itself. Its abundance is 64413528520

Bases of 399725742130

• Binary: 101110100010001100000101100100000110010₂
• Hexadecimal: 0x5D1182C832
• Base-36: 53MQDWKY

Squares and roots of 399725742130

• 399725742130 squared (399725742130²) is 159780668921379256936900
• 399725742130 cubed (399725742130³) is 63868446462626150102290303081597000
• The square root of 399725742130 is 632238.6749717231
• The cube root of 399725742130 is 7366.3786545489

Scales and comparisons

• 399,725,742,130 seconds is equal to 12,710 years, 2 weeks, 1 day, 8 hours, 22 minutes, 10 seconds.
• To count from 1 to 399,725,742,130 would take you about twenty-five thousand, four 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 399725742130 cubic inches would be around 613.9 feet tall.

Recreational maths with 399725742130

• 399725742130 backwards is 031247527993
• The number of decimal digits it has is: 12
• The sum of 399725742130's digits is 52
• More coming soon!