396972971940

Names of 396972971940

• Cardinal: 396972971940 can be written as Three hundred ninety-six billion, nine hundred seventy-two million, nine hundred seventy-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.9697297194 × 10¹¹

Factors of 396972971940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4963487

Divisors of 396972971940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 31 43 60 62 86 93 124 129 155 172 186 215 258 310 372 430 465 516 620 645 860 930 1290 1333 1860 2580 2666 3999 5332 6665 7998 13330 15996 19995 26660 39990 79980 4963403 9926806 14890209 19853612 24817015 29780418 49634030 59560836 74451045 99268060 148902090 153865493 213426329 297804180 307730986 426852658 461596479 615461972 640278987 769327465 853705316 923192958 1067131645 1280557974 1538654930 1846385916 2134263290 2307982395 2561115948 3077309860 3201394935 4268526580 4615964790 6402789870 6616216199 9231929580 12805579740 13232432398 19848648597 26464864796 33081080995 39697297194 66162161990 79394594388 99243242985 132324323980 198486485970 396972971940
• Sum of all divisors σ(n): 1174063435776
• Sum of proper divisors (its aliquot sum) s(n): 777090463836
• 396972971940 is an abundant number, because the sum of its proper divisors (777090463836) is greater than itself. Its abundance is 380117491896

Bases of 396972971940

• Binary: 101110001101101011011101101011110100100₂
• Hexadecimal: 0x5C6D6ED7A4
• Base-36: 52D7GHIC

Squares and roots of 396972971940

• 396972971940 squared (396972971940²) is 157587540450876027363600
• 396972971940 cubed (396972971940³) is 62557994273499224159029054977384000
• The square root of 396972971940 is 630057.9115763885
• The cube root of 396972971940 is 7349.4298040707

Scales and comparisons

• 396,972,971,940 seconds is equal to 12,622 years, 26 weeks, 4 days, 13 hours, 59 minutes.
• To count from 1 to 396,972,971,940 would take you about twenty-five thousand, two hundred forty-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 396972971940 cubic inches would be around 612.5 feet tall.

Recreational maths with 396972971940

• 396972971940 backwards is 049179279693
• The number of decimal digits it has is: 12
• The sum of 396972971940's digits is 66
• More coming soon!