21372190364

Names of 21372190364

• Cardinal: 21372190364 can be written as Twenty-one billion, three hundred seventy-two million, one hundred ninety thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 2.1372190364 × 10¹⁰

Factors of 21372190364

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 145

Divisors of 21372190364

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 14 23 28 46 92 113 161 226 322 452 529 644 791 1058 1582 2116 2599 3164 3703 5198 7406 10396 12769 14812 18193 25538 36386 51076 59777 72772 89383 119554 178766 239108 293687 357532 418439 587374 836878 1174748 1442897 1673756 2055809 2885794 4111618 5771588 6754801 8223236 10100279 13509602 20200558 27019204 33186631 40401116 47283607 66373262 94567214 132746524 189134428 232306417 464612834 763292513 929225668 1526585026 3053170052 5343047591 10686095182 21372190364
• Sum of all divisors σ(n): 45082595040
• Sum of proper divisors (its aliquot sum) s(n): 23710404676
• 21372190364 is an abundant number, because the sum of its proper divisors (23710404676) is greater than itself. Its abundance is 2338214312

Bases of 21372190364

• Binary: 10011111001111000011011111010011100₂
• Hexadecimal: 0x4F9E1BE9C
• Base-36: 9TGG7MK

Squares and roots of 21372190364

• 21372190364 squared (21372190364²) is 456770520955054452496
• 21372190364 cubed (21372190364³) is 9762186526514874846730306948544
• The square root of 21372190364 is 146192.3061039807
• The cube root of 21372190364 is 2775.1279486063

Scales and comparisons

• 21,372,190,364 seconds is equal to 679 years, 29 weeks, 4 days, 7 hours, 32 minutes, 44 seconds.
• To count from 1 to 21,372,190,364 would take you about one thousand, three hundred fifty-nine 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 21372190364 cubic inches would be around 231.3 feet tall.

Recreational maths with 21372190364

• 21372190364 backwards is 46309127312
• The number of decimal digits it has is: 11
• The sum of 21372190364's digits is 38
• More coming soon!