21127732704

Names of 21127732704

• Cardinal: 21127732704 can be written as Twenty-one billion, one hundred twenty-seven million, seven hundred thirty-two thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.1127732704 × 10¹⁰

Factors of 21127732704

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5643109

Divisors of 21127732704

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 3744 5643091 11286182 16929273 22572364 33858546 45144728 50787819 67717092 73360183 90289456 101575638 135434184 146720366 180578912 203151276 220080549 270868368 293440732 406302552 440161098 541736736 586881464 660241647 812605104 880322196 1173762928 1320483294 1625210208 1760644392 2347525856 2640966588 3521288784 5281933176 7042577568 10563866352 21127732704
• Sum of all divisors σ(n): 64703692872
• Sum of proper divisors (its aliquot sum) s(n): 43575960168
• 21127732704 is an abundant number, because the sum of its proper divisors (43575960168) is greater than itself. Its abundance is 22448227464

Bases of 21127732704

• Binary: 10011101011010011111001110111100000₂
• Hexadecimal: 0x4EB4F9DE0
• Base-36: 9PEWMW0

Squares and roots of 21127732704

• 21127732704 squared (21127732704²) is 446381089211671151616
• 21127732704 cubed (21127732704³) is 9431020336984566168490705649664
• The square root of 21127732704 is 145353.8190210357
• The cube root of 21127732704 is 2764.5066009509

Scales and comparisons

• 21,127,732,704 seconds is equal to 671 years, 41 weeks, 2 days, 22 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,127,732,704 would take you about one thousand, three hundred forty-three 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 21127732704 cubic inches would be around 230.4 feet tall.

Recreational maths with 21127732704

• 21127732704 backwards is 40723772112
• 21127732704 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21127732704's digits is 36
• More coming soon!