21400858291812

Names of 21400858291812

• Cardinal: 21400858291812 can be written as Twenty-one trillion, four hundred billion, eight hundred fifty-eight million, two hundred ninety-one thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 2.1400858291812 × 10¹³

Factors of 21400858291812

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1049570

Divisors of 21400858291812

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 12 23 46 69 92 138 276 79973 159946 239919 319892 479838 959676 969569 1839379 1939138 2908707 3678758 3878276 5518137 5817414 7357516 11036274 11634828 22072548 22300087 44600174 66900261 89200348 133800522 267601044 77539341637 155078683274 232618024911 310157366548 465236049822 930472099644 1783404857651 3566809715302 5350214572953 7133619430604 10700429145906 21400858291812
• Sum of all divisors σ(n): 52107142872960
• Sum of proper divisors (its aliquot sum) s(n): 30706284581148
• 21400858291812 is an abundant number, because the sum of its proper divisors (30706284581148) is greater than itself. Its abundance is 9305426289336

Bases of 21400858291812

• Binary: 100110111011011000110100011100110111001100100₂
• Hexadecimal: 0x1376C68E6E64
• Base-36: 7L3F2H17O

Squares and roots of 21400858291812

• 21400858291812 squared (21400858291812²) is 457996735626218434546243344
• 21400858291812 cubed (21400858291812³) is 9801523237249185211264502060197514699328
• The square root of 21400858291812 is 4626106.1695352389
• The cube root of 21400858291812 is 27763.6821490683

Scales and comparisons

• 21,400,858,291,812 seconds is equal to 680,481 years, 5 weeks, 2 hours, 50 minutes, 12 seconds.
• To count from 1 to 21,400,858,291,812 would take you about one million, seven hundred one thousand, two hundred two 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 21400858291812 cubic inches would be around 2313.6 feet tall.

Recreational maths with 21400858291812

• 21400858291812 backwards is 21819285800412
• The number of decimal digits it has is: 14
• The sum of 21400858291812's digits is 51
• More coming soon!