21449013790864

Names of 21449013790864

• Cardinal: 21449013790864 can be written as Twenty-one trillion, four hundred forty-nine billion, thirteen million, seven hundred ninety thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1449013790864 × 10¹³

Factors of 21449013790864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1651

Divisors of 21449013790864

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 8 11 16 22 44 67 88 121 134 176 242 268 484 536 737 968 1072 1474 1571 1936 2948 3142 4489 5896 6284 8107 8978 11792 12568 16214 17281 17956 25136 32428 34562 35912 49379 64856 69124 71824 98758 105257 129712 138248 190091 197516 210514 276496 380182 395032 421028 543169 760364 790064 842056 1086338 1157827 1520728 1684112 2172676 2315654 2468041 3041456 4345352 4631308 4936082 7052219 8690704 9262616 9872164 12736097 14104438 18525232 19744328 25472194 27148451 28208876 39488656 50944388 54296902 56417752 77574409 101888776 108593804 112835504 155148818 165358747 203777552 217187608 298632961 310297636 330717494 434375216 597265922 620595272 661434988 853318499 1194531844 1241190544 1322869976 1706636998 1818946217 2389063688 2645739952 3413273996 3637892434 4778127376 6826547992 7275784868 11079036049 13653095984 14551569736 20008408387 22158072098 29103139472 40016816774 44316144196 80033633548 88632288392 121869396539 160067267096 177264576784 243738793078 320134534192 487477586156 974955172312 1340563361929 1949910344624 2681126723858 5362253447716 10724506895432 21449013790864
• Sum of all divisors σ(n): 46400351016243
• Sum of proper divisors (its aliquot sum) s(n): 24951337225379
• 21449013790864 is an abundant number, because the sum of its proper divisors (24951337225379) is greater than itself. Its abundance is 3502323434515

Bases of 21449013790864

• Binary: 100111000000111111100110110010000100010010000₂
• Hexadecimal: 0x1381FCD90890
• Base-36: 7LPJH0I34

Squares and roots of 21449013790864

• 21449013790864 squared (21449013790864²) is 460060192600674059929866496
• 21449013790864 cubed (21449013790864³) is 9867837415719405881137975293342384492544
• 21449013790864 is a perfect square number. Its square root is 4631308
• The cube root of 21449013790864 is 27784.4908536871

Scales and comparisons

• 21,449,013,790,864 seconds is equal to 682,012 years, 15 weeks, 1 day, 10 hours, 21 minutes, 4 seconds.
• To count from 1 to 21,449,013,790,864 would take you about one million, seven hundred five thousand and thirty 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 21449013790864 cubic inches would be around 2315.4 feet tall.

Recreational maths with 21449013790864

• 21449013790864 backwards is 46809731094412
• The number of decimal digits it has is: 14
• The sum of 21449013790864's digits is 58
• More coming soon!