21813348375

Names of 21813348375

• Cardinal: 21813348375 can be written as Twenty-one billion, eight hundred thirteen million, three hundred forty-eight thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 2.1813348375 × 10¹⁰

Factors of 21813348375

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 588

Divisors of 21813348375

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 13 15 21 25 35 39 45 49 61 63 65 75 91 105 117 125 147 175 183 195 225 245 273 305 315 325 375 427 441 455 499 525 549 585 637 735 793 819 875 915 975 1125 1225 1281 1365 1497 1525 1575 1625 1911 2135 2205 2275 2379 2495 2625 2745 2925 2989 3185 3493 3675 3843 3965 4095 4491 4575 4875 5551 5733 6125 6405 6487 6825 7137 7485 7625 7875 8967 9555 10479 10675 11025 11375 11895 12475 13725 14625 14945 15925 16653 17465 18375 19215 19461 19825 20475 22455 22875 24451 26901 27755 28665 30439 31437 32025 32435 34125 35685 37425 38857 44835 45409 47775 49959 52395 53375 55125 58383 59475 62375 68625 73353 74725 79625 83265 87325 91317 96075 97305 99125 102375 112275 116571 122255 134505 136227 138775 143325 152195 157185 160125 162175 178425 187125 194285 213073 220059 224175 227045 238875 249795 261975 273951 291915 297375 317863 349713 366765 373625 395707 408681 416325 436625 456585 480375 486525 561375 582855 611275 639219 672525 681135 693875 716625 760975 785925 810875 892125 953589 971425 1065365 1100295 1120875 1135225 1187121 1248975 1309875 1369755 1459575 1491511 1589315 1748565 1833825 1917657 1978535 2043405 2081625 2282925 2432625 2769949 2860767 2914275 3056375 3196095 3362625 3405675 3561363 3804875 3929625 4474533 4767945 4857125 5326825 5501475 5676125 5935605 6244875 6848775 7297875 7457555 7946575 8309847 8742825 9169125 9588285 9892675 10217025 11414625 13423599 13849745 14303835 14571375 15980475 17028375 17806815 19389643 22372665 23839725 24929541 26634125 27507375 29678025 34243875 37287775 39732875 41549235 43714125 47941425 49463375 51085125 58168929 67117995 69248725 71519175 79902375 89034075 96948215 111863325 119198625 124647705 148390125 174506787 186438875 207746175 239707125 290844645 335589975 346243625 357595875 445170375 484741075 559316625 623238525 872533935 1038730875 1454223225 1677949875 2423705375 3116192625 4362669675 7271116125 21813348375
• Sum of all divisors σ(n): 50168664000
• Sum of proper divisors (its aliquot sum) s(n): 28355315625
• 21813348375 is an abundant number, because the sum of its proper divisors (28355315625) is greater than itself. Its abundance is 6541967250

Bases of 21813348375

• Binary: 10100010100001011010100100000010111₂
• Hexadecimal: 0x5142D4817
• Base-36: A0R3RBR

Squares and roots of 21813348375

• 21813348375 squared (21813348375²) is 475822167329115140625
• 21813348375 cubed (21813348375³) is 10379274700497531842940240234375
• The square root of 21813348375 is 147693.4269864437
• The cube root of 21813348375 is 2794.0924928819

Scales and comparisons

• 21,813,348,375 seconds is equal to 693 years, 31 weeks, 7 hours, 26 minutes, 15 seconds.
• To count from 1 to 21,813,348,375 would take you about one thousand, three hundred eighty-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 21813348375 cubic inches would be around 232.8 feet tall.

Recreational maths with 21813348375

• 21813348375 backwards is 57384331812
• 21813348375 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21813348375's digits is 45
• More coming soon!