397950868980

Names of 397950868980

• Cardinal: 397950868980 can be written as Three hundred ninety-seven billion, nine hundred fifty million, eight hundred sixty-eight thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 3.9795086898 × 10¹¹

Factors of 397950868980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 315834040

Divisors of 397950868980

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 315834023 631668046 947502069 1263336092 1579170115 1895004138 2210838161 2842506207 3158340230 3790008276 4421676322 4737510345 5685012414 6316680460 6632514483 8843352644 9475020690 11054190805 11370024828 13265028966 14212531035 18950041380 19897543449 22108381610 26530057932 28425062070 33162572415 39795086898 44216763220 56850124140 66325144830 79590173796 99487717245 132650289660 198975434490 397950868980
• Sum of all divisors σ(n): 1379563016832
• Sum of proper divisors (its aliquot sum) s(n): 981612147852
• 397950868980 is an abundant number, because the sum of its proper divisors (981612147852) is greater than itself. Its abundance is 583661278872

Bases of 397950868980

• Binary: 101110010100111101110000101110111110100₂
• Hexadecimal: 0x5CA7B85DF4
• Base-36: 52TDO7P0

Squares and roots of 397950868980

• 397950868980 squared (397950868980²) is 158364894121937126240400
• 397950868980 cubed (397950868980³) is 63021447231750573468291140382792000
• The square root of 397950868980 is 630833.4716706145
• The cube root of 397950868980 is 7355.4596791383

Scales and comparisons

• 397,950,868,980 seconds is equal to 12,653 years, 31 weeks, 3 days, 20 hours, 3 minutes.
• To count from 1 to 397,950,868,980 would take you about twenty-five thousand, three hundred seven 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 397950868980 cubic inches would be around 613 feet tall.

Recreational maths with 397950868980

• 397950868980 backwards is 089868059793
• The number of decimal digits it has is: 12
• The sum of 397950868980's digits is 72
• More coming soon!