21200529744

Names of 21200529744

• Cardinal: 21200529744 can be written as Twenty-one billion, two hundred million, five hundred twenty-nine thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 2.1200529744 × 10¹⁰

Factors of 21200529744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17608

Divisors of 21200529744

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 79 107 144 158 214 237 316 321 428 474 632 642 711 856 948 963 1264 1284 1422 1712 1896 1926 2568 2844 3792 3852 5136 5688 7704 8453 11376 15408 16906 17417 25359 33812 34834 50718 52251 67624 69668 76077 101436 104502 135248 139336 152154 156753 202872 209004 278672 304308 313506 405744 418008 608616 627012 836016 1217232 1254024 1375943 1863619 2508048 2751886 3727238 4127829 5503772 5590857 7454476 8255658 11007544 11181714 12383487 14908952 16511316 16772571 22015088 22363428 24766974 29817904 33022632 33545142 44726856 49533948 66045264 67090284 89453712 99067896 134180568 147225901 198135792 268361136 294451802 441677703 588903604 883355406 1177807208 1325033109 1766710812 2355614416 2650066218 3533421624 5300132436 7066843248 10600264872 21200529744
• Sum of all divisors σ(n): 60648082560
• Sum of proper divisors (its aliquot sum) s(n): 39447552816
• 21200529744 is an abundant number, because the sum of its proper divisors (39447552816) is greater than itself. Its abundance is 18247023072

Bases of 21200529744

• Binary: 10011101111101001100110100101010000₂
• Hexadecimal: 0x4EFA66950
• Base-36: 9QM8XG0

Squares and roots of 21200529744

• 21200529744 squared (21200529744²) is 449462461426228705536
• 21200529744 cubed (21200529744³) is 9528842282278214333462585462784
• The square root of 21200529744 is 145604.0169226111
• The cube root of 21200529744 is 2767.6780597483

Scales and comparisons

• 21,200,529,744 seconds is equal to 674 years, 5 weeks, 5 days, 12 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,200,529,744 would take you about one thousand, three hundred forty-eight 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 21200529744 cubic inches would be around 230.6 feet tall.

Recreational maths with 21200529744

• 21200529744 backwards is 44792500212
• 21200529744 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21200529744's digits is 36
• More coming soon!