397938100490

Names of 397938100490

• Cardinal: 397938100490 can be written as Three hundred ninety-seven billion, nine hundred thirty-eight million, one hundred thousand, four hundred ninety.

Scientific notation

• Scientific notation: 3.9793810049 × 10¹¹

Factors of 397938100490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 747

Divisors of 397938100490

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 14 35 43 70 86 127 215 254 301 430 563 602 635 889 1126 1270 1505 1778 1849 2815 3010 3698 3941 4445 5461 5630 7882 8890 9245 10922 12943 18490 19705 24209 25886 27305 38227 39410 48418 54610 64715 71501 76454 79507 121045 129430 143002 159014 169463 191135 234823 242090 338926 357505 382270 397535 469646 500507 556549 715010 795070 847315 1001014 1040987 1113098 1174115 1643761 1694630 2081974 2348230 2502535 2782745 3074543 3287522 5005070 5204935 5565490 6149086 7286909 8218805 10097389 10409870 14573818 15372715 16437610 20194778 21521801 30745430 36434545 43043602 44762441 50486945 70681723 72869090 89524882 100973890 107609005 132205349 141363446 215218010 223812205 264410698 313337087 353408615 447624410 626674174 661026745 706817230 925437443 1322053490 1566685435 1850874886 3133370870 4627187215 5684830007 9254374430 11369660014 28424150035 39793810049 56848300070 79587620098 198969050245 397938100490
• Sum of all divisors σ(n): 846205747200
• Sum of proper divisors (its aliquot sum) s(n): 448267646710
• 397938100490 is an abundant number, because the sum of its proper divisors (448267646710) is greater than itself. Its abundance is 50329546220

Bases of 397938100490

• Binary: 101110010100110111101011000100100001010₂
• Hexadecimal: 0x5CA6F5890A
• Base-36: 52T62JGQ

Squares and roots of 397938100490

• 397938100490 squared (397938100490²) is 158354731821589338240100
• 397938100490 cubed (397938100490³) is 63015381184686618832101513547649000
• The square root of 397938100490 is 630823.3512561183
• The cube root of 397938100490 is 7355.3810101993

Scales and comparisons

• 397,938,100,490 seconds is equal to 12,653 years, 10 weeks, 3 days, 1 hour, 14 minutes, 50 seconds.
• To count from 1 to 397,938,100,490 would take you about twenty-five thousand, three hundred six 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 397938100490 cubic inches would be around 612.9 feet tall.

Recreational maths with 397938100490

• 397938100490 backwards is 094001839793
• The number of decimal digits it has is: 12
• The sum of 397938100490's digits is 53
• More coming soon!