21825401844428

Names of 21825401844428

• Cardinal: 21825401844428 can be written as Twenty-one trillion, eight hundred twenty-five billion, four hundred one million, eight hundred forty-four thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1825401844428 × 10¹³

Factors of 21825401844428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12395

Divisors of 21825401844428

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 13 14 26 28 31 49 52 62 91 98 124 169 182 196 217 338 364 403 434 637 676 806 868 1183 1274 1519 1612 2069 2366 2548 2821 3038 4138 4732 5239 5642 6076 8276 8281 10273 10478 11284 14483 16562 19747 20546 20956 26897 28966 33124 36673 39494 41092 53794 57932 64139 71911 73346 78988 101381 107588 128278 133549 143822 146692 188279 202762 256556 256711 267098 287644 318463 349661 376558 405524 448973 503377 513422 534196 636926 699322 753116 833807 897946 934843 1006754 1026844 1273852 1317953 1398644 1667614 1736137 1795892 1869686 2013508 2229241 2447627 2635906 3142811 3335228 3472274 3739372 4140019 4458482 4895254 5271812 5836649 6285622 6543901 6944548 8280038 8916964 9790508 10839491 11673298 12152959 12571244 13087802 15604687 16560076 17133389 21254837 21678982 23346596 24305918 26175604 28980133 31209374 34266778 40856543 42509674 43357964 48611836 53820247 57960266 62418748 68533556 75876437 81713086 85019348 85070713 107640494 115920532 148783859 151752874 163426172 170141426 202860931 215280988 276312881 297567718 303505748 340282852 376741729 405721862 531135059 552625762 595135436 658899947 753483458 811443724 1041487013 1062270118 1105251524 1317799894 1506966916 1934190167 2082974026 2124540236 2635599788 2637192103 3592067453 3868380334 4165948052 4612299629 5274384206 7184134906 7736760668 8565699311 9224599258 10548768412 13539331169 14368269812 17131398622 18449198516 25144472171 27078662338 32286097403 34262797244 50288944342 54157324676 59959895177 64572194806 100577888684 111354091043 119919790354 129144389612 176011305197 222708182086 239839580708 352022610394 419719266239 445416364172 704045220788 779478637301 839438532478 1558957274602 1678877064956 3117914549204 5456350461107 10912700922214 21825401844428
• Sum of all divisors σ(n): 49691701825920
• Sum of proper divisors (its aliquot sum) s(n): 27866299981492
• 21825401844428 is an abundant number, because the sum of its proper divisors (27866299981492) is greater than itself. Its abundance is 6040898137064

Bases of 21825401844428

• Binary: 100111101100110011111010100101111001011001100₂
• Hexadecimal: 0x13D99F52F2CC
• Base-36: 7QIG8QQX8

Squares and roots of 21825401844428

• 21825401844428 squared (21825401844428²) is 476348165670761144314647184
• 21825401844428 cubed (21825401844428³) is 10396490133620524790915536535649676290752
• The square root of 21825401844428 is 4671766.4586779165
• The cube root of 21825401844428 is 27946.0704489679

Scales and comparisons

• 21,825,401,844,428 seconds is equal to 693,980 years, 13 weeks, 6 days, 15 hours, 27 minutes, 8 seconds.
• To count from 1 to 21,825,401,844,428 would take you about one million, seven hundred thirty-four thousand, nine hundred fifty 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 21825401844428 cubic inches would be around 2328.8 feet tall.

Recreational maths with 21825401844428

• 21825401844428 backwards is 82444810452812
• The number of decimal digits it has is: 14
• The sum of 21825401844428's digits is 53
• More coming soon!