21107207616

Names of 21107207616

• Cardinal: 21107207616 can be written as Twenty-one billion, one hundred seven million, two hundred seven thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 2.1107207616 × 10¹⁰

Factors of 21107207616

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 30993

Divisors of 21107207616

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 17 19 22 24 32 33 34 38 44 48 51 57 64 66 68 76 88 96 102 114 132 136 152 176 187 192 204 209 228 264 272 304 323 352 374 408 418 456 528 544 561 608 627 646 704 748 816 836 912 969 1056 1088 1122 1216 1254 1292 1496 1632 1672 1824 1938 2112 2244 2508 2584 2992 3264 3344 3553 3648 3876 4488 5016 5168 5984 6688 7106 7752 8976 10032 10336 10659 11968 13376 14212 15504 17952 20064 20672 21318 28424 30941 31008 35904 40128 42636 56848 61882 62016 85272 92823 113696 123764 170544 185646 227392 247528 340351 341088 371292 495056 525997 587879 680702 682176 742584 990112 1021053 1051994 1175758 1361404 1485168 1577991 1763637 1980224 2042106 2103988 2351516 2722808 2970336 3155982 3527274 4084212 4207976 4703032 5445616 5785967 5940672 6311964 6466669 7054548 8168424 8415952 9406064 9993943 10891232 11571934 12623928 12933338 14109096 16336848 16831904 17357901 18812128 19400007 19987886 21782464 23143868 25247856 25866676 28218192 29981829 32673696 33663808 34715802 37624256 38800014 39975772 46287736 50495712 51733352 56436384 59963658 65347392 69431604 77600028 79951544 92575472 100991424 103466704 109933373 112872768 119927316 138863208 155200056 159903088 185150944 206933408 219866746 239854632 277726416 310400112 319806176 329800119 370301888 413866816 439733492 479709264 555452832 620800224 639612352 659600238 879466984 959418528 1110905664 1241600448 1319200476 1758933968 1918837056 2638400952 3517867936 5276801904 7035735872 10553603808 21107207616
• Sum of all divisors σ(n): 67904075520
• Sum of proper divisors (its aliquot sum) s(n): 46796867904
• 21107207616 is an abundant number, because the sum of its proper divisors (46796867904) is greater than itself. Its abundance is 25689660288

Bases of 21107207616

• Binary: 10011101010000101100110110111000000₂
• Hexadecimal: 0x4EA166DC0
• Base-36: 9P2OPMO

Squares and roots of 21107207616

• 21107207616 squared (21107207616²) is 445514213344928403456
• 21107207616 cubed (21107207616³) is 9403560996950321632401203920896
• The square root of 21107207616 is 145283.1979824233
• The cube root of 21107207616 is 2763.6110935089

Scales and comparisons

• 21,107,207,616 seconds is equal to 671 years, 7 weeks, 3 days, 9 hours, 13 minutes, 36 seconds.
• To count from 1 to 21,107,207,616 would take you about one thousand, three hundred forty-two 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 21107207616 cubic inches would be around 230.3 feet tall.

Recreational maths with 21107207616

• 21107207616 backwards is 61670270112
• 21107207616 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21107207616's digits is 33
• More coming soon!