21370305984

Names of 21370305984

• Cardinal: 21370305984 can be written as Twenty-one billion, three hundred seventy million, three hundred five thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1370305984 × 10¹⁰

Factors of 21370305984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1886567

Divisors of 21370305984

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 59 64 96 118 177 192 236 354 472 708 944 1416 1888 2832 3776 5664 11328 1886503 3773006 5659509 7546012 11319018 15092024 22638036 30184048 45276072 60368096 90552144 111303677 120736192 181104288 222607354 333911031 362208576 445214708 667822062 890429416 1335644124 1780858832 2671288248 3561717664 5342576496 7123435328 10685152992 21370305984
• Sum of all divisors σ(n): 57500641920
• Sum of proper divisors (its aliquot sum) s(n): 36130335936
• 21370305984 is an abundant number, because the sum of its proper divisors (36130335936) is greater than itself. Its abundance is 14760029952

Bases of 21370305984

• Binary: 10011111001110001001111110111000000₂
• Hexadecimal: 0x4F9C4FDC0
• Base-36: 9TFBTMO

Squares and roots of 21370305984

• 21370305984 squared (21370305984²) is 456689977849786208256
• 21370305984 cubed (21370305984³) is 9759604566476113659413867003904
• The square root of 21370305984 is 146185.8610947037
• The cube root of 21370305984 is 2775.0463854595

Scales and comparisons

• 21,370,305,984 seconds is equal to 679 years, 26 weeks, 3 days, 12 hours, 6 minutes, 24 seconds.
• To count from 1 to 21,370,305,984 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 21370305984 cubic inches would be around 231.3 feet tall.

Recreational maths with 21370305984

• 21370305984 backwards is 48950307312
• The number of decimal digits it has is: 11
• The sum of 21370305984's digits is 42
• More coming soon!