397966042990

Names of 397966042990

• Cardinal: 397966042990 can be written as Three hundred ninety-seven billion, nine hundred sixty-six million, forty-two thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 3.9796604299 × 10¹¹

Factors of 397966042990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 539

Divisors of 397966042990

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 19 31 38 62 73 95 146 155 190 310 365 409 589 730 818 961 1178 1387 1922 2045 2263 2774 2945 4090 4526 4805 5329 5890 6935 7771 9610 10658 11315 12679 13870 15542 18259 22630 25358 26645 29857 36518 38855 42997 53290 59714 63395 70153 77710 85994 91295 101251 126790 140306 149285 165199 182590 202502 214985 240901 298570 330398 350765 393049 429970 481802 506255 567283 701530 786098 825995 925567 1012510 1134566 1204505 1332907 1651990 1851134 1965245 2179561 2409010 2665814 2836415 3138781 3930490 4359122 4627835 5121169 5672830 6277562 6664535 7467931 9255670 10242338 10897805 13329070 14935862 15693905 17585773 21795610 25605845 28692577 31387810 35171546 37339655 41411659 51211690 57385154 67566391 74679310 82823318 87928865 97302211 135132782 143462885 175857730 194604422 207058295 286925770 337831955 414116590 486511055 545158963 675663910 973022110 1090317926 1283761429 2094558121 2567522858 2725794815 4189116242 5451589630 6418807145 10472790605 12837614290 20945581210 39796604299 79593208598 198983021495 397966042990
• Sum of all divisors σ(n): 791900420400
• Sum of proper divisors (its aliquot sum) s(n): 393934377410
• 397966042990 is a deficient number, because the sum of its proper divisors (393934377410) is less than itself. Its deficiency is 4031665580

Bases of 397966042990

• Binary: 101110010101000100111111110011101101110₂
• Hexadecimal: 0x5CA89FE76E
• Base-36: 52TMPG1A

Squares and roots of 397966042990

• 397966042990 squared (397966042990²) is 158376971373118528140100
• 397966042990 cubed (397966042990³) is 63028656598100487500168561342899000
• The square root of 397966042990 is 630845.4985097381
• The cube root of 397966042990 is 7355.5531667259

Scales and comparisons

• 397,966,042,990 seconds is equal to 12,654 years, 4 weeks, 4 days, 11 hours, 3 minutes, 10 seconds.
• To count from 1 to 397,966,042,990 would take you about twenty-five thousand, three hundred eight 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 397966042990 cubic inches would be around 613 feet tall.

Recreational maths with 397966042990

• 397966042990 backwards is 099240669793
• The number of decimal digits it has is: 12
• The sum of 397966042990's digits is 64
• More coming soon!