21083377920

Names of 21083377920

• Cardinal: 21083377920 can be written as Twenty-one billion, eighty-three million, three hundred seventy-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.108337792 × 10¹⁰

Factors of 21083377920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 499154

Divisors of 21083377920

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 110 120 128 132 160 165 176 192 220 240 256 264 320 330 352 384 440 480 528 640 660 704 768 880 960 1056 1280 1320 1408 1760 1920 2112 2640 2816 3520 3840 4224 5280 7040 8448 10560 14080 21120 42240 499133 998266 1497399 1996532 2495665 2994798 3993064 4991330 5490463 5989596 7486995 7986128 9982660 10980926 11979192 14973990 15972256 16471389 19965320 21961852 23958384 27452315 29947980 31944512 32942778 39930640 43923704 47916768 54904630 59895960 63889024 65885556 79861280 82356945 87847408 95833536 109809260 119791920 127778048 131771112 159722560 164713890 175694816 191667072 219618520 239583840 263542224 319445120 329427780 351389632 383334144 439237040 479167680 527084448 638890240 658855560 702779264 878474080 958335360 1054168896 1317711120 1405558528 1756948160 1916670720 2108337792 2635422240 3513896320 4216675584 5270844480 7027792640 10541688960 21083377920
• Sum of all divisors σ(n): 73456552512
• Sum of proper divisors (its aliquot sum) s(n): 52373174592
• 21083377920 is an abundant number, because the sum of its proper divisors (52373174592) is greater than itself. Its abundance is 31289796672

Bases of 21083377920

• Binary: 10011101000101010101101000100000000₂
• Hexadecimal: 0x4E8AAD100
• Base-36: 9OOHYIO

Squares and roots of 21083377920

• 21083377920 squared (21083377920²) is 444508824517543526400
• 21083377920 cubed (21083377920³) is 9371747536078331837140697088000
• The square root of 21083377920 is 145201.1636317009
• The cube root of 21083377920 is 2762.5706777983

Scales and comparisons

• 21,083,377,920 seconds is equal to 670 years, 20 weeks, 13 hours, 52 minutes.
• To count from 1 to 21,083,377,920 would take you about one thousand, three hundred forty 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 21083377920 cubic inches would be around 230.2 feet tall.

Recreational maths with 21083377920

• 21083377920 backwards is 02977338012
• The number of decimal digits it has is: 11
• The sum of 21083377920's digits is 42
• More coming soon!