21817832848

Names of 21817832848

• Cardinal: 21817832848 can be written as Twenty-one billion, eight hundred seventeen million, eight hundred thirty-two thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 2.1817832848 × 10¹⁰

Factors of 21817832848

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 123638

Divisors of 21817832848

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 56 76 83 112 133 152 166 266 304 332 532 581 664 1064 1162 1328 1577 2128 2324 3154 4648 6308 9296 11039 12616 22078 25232 44156 88312 123527 176624 247054 494108 864689 988216 1729378 1976432 2347013 3458756 4694026 6917512 9388052 10252741 13835024 16429091 18776104 20505482 32858182 37552208 41010964 65716364 71769187 82021928 131432728 143538374 164043856 194802079 262865456 287076748 389604158 574153496 779208316 1148306992 1363614553 1558416632 2727229106 3116833264 5454458212 10908916424 21817832848
• Sum of all divisors σ(n): 51466705920
• Sum of proper divisors (its aliquot sum) s(n): 29648873072
• 21817832848 is an abundant number, because the sum of its proper divisors (29648873072) is greater than itself. Its abundance is 7831040224

Bases of 21817832848

• Binary: 10100010100011100011011010110010000₂
• Hexadecimal: 0x51471B590
• Base-36: A0TRVKG

Squares and roots of 21817832848

• 21817832848 squared (21817832848²) is 476017830183267791104
• 21817832848 cubed (21817832848³) is 10385677451606185872729253384192
• The square root of 21817832848 is 147708.6079008261
• The cube root of 21817832848 is 2794.2839532295

Scales and comparisons

• 21,817,832,848 seconds is equal to 693 years, 38 weeks, 3 days, 5 hours, 7 minutes, 28 seconds.
• To count from 1 to 21,817,832,848 would take you about one thousand, three hundred eighty-seven 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 21817832848 cubic inches would be around 232.9 feet tall.

Recreational maths with 21817832848

• 21817832848 backwards is 84823871812
• The number of decimal digits it has is: 11
• The sum of 21817832848's digits is 52
• More coming soon!