21643481088

Names of 21643481088

• Cardinal: 21643481088 can be written as Twenty-one billion, six hundred forty-three million, four hundred eighty-one thousand and eighty-eight.

Scientific notation

• Scientific notation: 2.1643481088 × 10¹⁰

Factors of 21643481088

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 587122

Divisors of 21643481088

• Number of divisors d(n): 78
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 1024 1152 1536 2048 2304 3072 4096 4608 6144 9216 12288 18432 36864 587117 1174234 1761351 2348468 3522702 4696936 5284053 7045404 9393872 10568106 14090808 18787744 21136212 28181616 37575488 42272424 56363232 75150976 84544848 112726464 150301952 169089696 225452928 300603904 338179392 450905856 601207808 676358784 901811712 1202415616 1352717568 1803623424 2404831232 2705435136 3607246848 5410870272 7214493696 10821740544 21643481088
• Sum of all divisors σ(n): 62518085994
• Sum of proper divisors (its aliquot sum) s(n): 40874604906
• 21643481088 is an abundant number, because the sum of its proper divisors (40874604906) is greater than itself. Its abundance is 19231123818

Bases of 21643481088

• Binary: 10100001010000011010101000000000000₂
• Hexadecimal: 0x50A0D5000
• Base-36: 9XXYWW0

Squares and roots of 21643481088

• 21643481088 squared (21643481088²) is 468440273606613663744
• 21643481088 cubed (21643481088³) is 10138678202662288382965655273472
• The square root of 21643481088 is 147117.2358631035
• The cube root of 21643481088 is 2786.8207636933

Scales and comparisons

• 21,643,481,088 seconds is equal to 688 years, 10 weeks, 1 day, 6 hours, 4 minutes, 48 seconds.
• To count from 1 to 21,643,481,088 would take you about one thousand, three hundred seventy-six 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 21643481088 cubic inches would be around 232.2 feet tall.

Recreational maths with 21643481088

• 21643481088 backwards is 88018434612
• The number of decimal digits it has is: 11
• The sum of 21643481088's digits is 45
• More coming soon!