397142243920

Names of 397142243920

• Cardinal: 397142243920 can be written as Three hundred ninety-seven billion, one hundred forty-two million, two hundred forty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.9714224392 × 10¹¹

Factors of 397142243920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 522362

Divisors of 397142243920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 37 40 74 80 148 185 257 296 370 514 592 740 1028 1285 1480 2056 2570 2960 4112 5140 9509 10280 19018 20560 38036 47545 76072 95090 152144 190180 380360 522061 760720 1044122 2088244 2610305 4176488 5220610 8352976 10441220 19316257 20882440 38632514 41764880 77265028 96581285 134169677 154530056 193162570 268339354 309060112 386325140 536678708 670848385 772650280 1073357416 1341696770 1545300560 2146714832 2683393540 4964278049 5366787080 9928556098 10733574160 19857112196 24821390245 39714224392 49642780490 79428448784 99285560980 198571121960 397142243920
• Sum of all divisors σ(n): 952003027728
• Sum of proper divisors (its aliquot sum) s(n): 554860783808
• 397142243920 is an abundant number, because the sum of its proper divisors (554860783808) is greater than itself. Its abundance is 157718539888

Bases of 397142243920

• Binary: 101110001110111100001011011101001010000₂
• Hexadecimal: 0x5C7785BA50
• Base-36: 52G08KLS

Squares and roots of 397142243920

• 397142243920 squared (397142243920²) is 157721961905812776966400
• 397142243920 cubed (397142243920³) is 62638053866739245935842586444288000
• The square root of 397142243920 is 630192.2277527707
• The cube root of 397142243920 is 7350.4742712765

Scales and comparisons

• 397,142,243,920 seconds is equal to 12,627 years, 46 weeks, 3 days, 17 hours, 58 minutes, 40 seconds.
• To count from 1 to 397,142,243,920 would take you about twenty-five thousand, two hundred fifty-five 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 397142243920 cubic inches would be around 612.5 feet tall.

Recreational maths with 397142243920

• 397142243920 backwards is 029342241793
• The number of decimal digits it has is: 12
• The sum of 397142243920's digits is 46
• More coming soon!