21500743712

Names of 21500743712

• Cardinal: 21500743712 can be written as Twenty-one billion, five hundred million, seven hundred forty-three thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.1500743712 × 10¹⁰

Factors of 21500743712

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 32

Divisors of 21500743712

• Number of divisors d(n): 150
• Complete list of divisors:
  1 2 4 7 8 14 16 23 28 32 46 49 56 92 98 112 161 184 196 224 322 343 368 392 529 644 686 736 784 1058 1127 1288 1372 1568 2116 2254 2401 2576 2744 3703 4232 4508 4802 5152 5488 7406 7889 8464 9016 9604 10976 12167 14812 15778 16928 18032 19208 24334 25921 29624 31556 36064 38416 48668 51842 55223 59248 63112 76832 85169 97336 103684 110446 118496 126224 170338 181447 194672 207368 220892 252448 279841 340676 362894 389344 414736 441784 559682 596183 681352 725788 829472 883568 1119364 1192366 1270129 1362704 1451576 1767136 1958887 2238728 2384732 2540258 2725408 2903152 3917774 4173281 4477456 4769464 5080516 5806304 7835548 8346562 8954912 9538928 10161032 13712209 15671096 16693124 19077856 20322064 27424418 29212967 31342192 33386248 40644128 54848836 58425934 62684384 66772496 95985463 109697672 116851868 133544992 191970926 219395344 233703736 383941852 438790688 467407472 671898241 767883704 934814944 1343796482 1535767408 2687592964 3071534816 5375185928 10750371856 21500743712
• Sum of all divisors σ(n): 51626191743
• Sum of proper divisors (its aliquot sum) s(n): 30125448031
• 21500743712 is an abundant number, because the sum of its proper divisors (30125448031) is greater than itself. Its abundance is 8624704319

Bases of 21500743712

• Binary: 10100000001100010110101000000100000₂
• Hexadecimal: 0x5018B5020
• Base-36: 9VKZK0W

Squares and roots of 21500743712

• 21500743712 squared (21500743712²) is 462281980169107538944
• 21500743712 cubed (21500743712³) is 9939406378291847614602003120128
• The square root of 21500743712 is 146631.3190010921
• The cube root of 21500743712 is 2780.6809449367

Scales and comparisons

• 21,500,743,712 seconds is equal to 683 years, 34 weeks, 1 day, 4 hours, 48 minutes, 32 seconds.
• To count from 1 to 21,500,743,712 would take you about one thousand, three hundred sixty-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 21500743712 cubic inches would be around 231.7 feet tall.

Recreational maths with 21500743712

• 21500743712 backwards is 21734700512
• 21500743712 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21500743712's digits is 32
• More coming soon!