21348004752

Names of 21348004752

• Cardinal: 21348004752 can be written as Twenty-one billion, three hundred forty-eight million, four thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 2.1348004752 × 10¹⁰

Factors of 21348004752

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7817

Divisors of 21348004752

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 139 144 278 417 556 834 1112 1251 1668 2224 2502 3336 5004 6672 7673 10008 15346 19321 20016 23019 30692 38642 46038 57963 61384 69057 77284 92076 115926 122768 138114 154568 173889 184152 231852 276228 309136 347778 368304 463704 552456 695556 927408 1066547 1104912 1391112 2133094 2782224 3199641 4266188 6399282 8532376 9598923 12798564 17064752 19197846 25597128 38395692 51194256 76791384 148250033 153582768 296500066 444750099 593000132 889500198 1186000264 1334250297 1779000396 2372000528 2668500594 3558000792 5337001188 7116001584 10674002376 21348004752
• Sum of all divisors σ(n): 60185516742
• Sum of proper divisors (its aliquot sum) s(n): 38837511990
• 21348004752 is an abundant number, because the sum of its proper divisors (38837511990) is greater than itself. Its abundance is 17489507238

Bases of 21348004752

• Binary: 10011111000011100001011001110010000₂
• Hexadecimal: 0x4F870B390
• Base-36: 9T21TW0

Squares and roots of 21348004752

• 21348004752 squared (21348004752²) is 455737306891414581504
• 21348004752 cubed (21348004752³) is 9729082193181600833949483307008
• The square root of 21348004752 is 146109.5642044011
• The cube root of 21348004752 is 2774.0807388063

Scales and comparisons

• 21,348,004,752 seconds is equal to 678 years, 41 weeks, 4 days, 9 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,348,004,752 would take you about one thousand, three hundred fifty-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 21348004752 cubic inches would be around 231.2 feet tall.

Recreational maths with 21348004752

• 21348004752 backwards is 25740084312
• 21348004752 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21348004752's digits is 36
• More coming soon!