21437748528

Names of 21437748528

• Cardinal: 21437748528 can be written as Twenty-one billion, four hundred thirty-seven million, seven hundred forty-eight thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1437748528 × 10¹⁰

Factors of 21437748528

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 83742

Divisors of 21437748528

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 109 112 147 168 196 218 294 327 336 392 436 588 654 763 784 872 1176 1308 1526 1744 2289 2352 2616 3052 4578 5232 5341 6104 9156 10682 12208 16023 18312 21364 32046 36624 42728 64092 83621 85456 128184 167242 250863 256368 334484 501726 585347 668968 1003452 1170694 1337936 1756041 2006904 2341388 3512082 4013808 4097429 4682776 7024164 8194858 9114689 9365552 12292287 14048328 16389716 18229378 24584574 27344067 28096656 32779432 36458756 49169148 54688134 63802823 65558864 72917512 98338296 109376268 127605646 145835024 191408469 196676592 218752536 255211292 382816938 437505072 446619761 510422584 765633876 893239522 1020845168 1339859283 1531267752 1786479044 2679718566 3062535504 3572958088 5359437132 7145916176 10718874264 21437748528
• Sum of all divisors σ(n): 65014432560
• Sum of proper divisors (its aliquot sum) s(n): 43576684032
• 21437748528 is an abundant number, because the sum of its proper divisors (43576684032) is greater than itself. Its abundance is 22138935504

Bases of 21437748528

• Binary: 10011111101110010100001010100110000₂
• Hexadecimal: 0x4FDCA1530
• Base-36: 9UJHCMO

Squares and roots of 21437748528

• 21437748528 squared (21437748528²) is 459577061949766166784
• 21437748528 cubed (21437748528³) is 9852297483316164451917898493952
• The square root of 21437748528 is 146416.3533489343
• The cube root of 21437748528 is 2777.9625759671

Scales and comparisons

• 21,437,748,528 seconds is equal to 681 years, 34 weeks, 2 hours, 8 minutes, 48 seconds.
• To count from 1 to 21,437,748,528 would take you about one thousand, three hundred sixty-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 21437748528 cubic inches would be around 231.5 feet tall.

Recreational maths with 21437748528

• 21437748528 backwards is 82584773412
• The number of decimal digits it has is: 11
• The sum of 21437748528's digits is 51
• More coming soon!