21199326808

Names of 21199326808

• Cardinal: 21199326808 can be written as Twenty-one billion, one hundred ninety-nine million, three hundred twenty-six thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.1199326808 × 10¹⁰

Factors of 21199326808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 113

Divisors of 21199326808

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 11 17 22 34 44 68 83 88 121 136 166 187 242 289 332 374 484 578 664 748 913 968 1156 1331 1411 1496 1826 2057 2312 2662 2822 3179 3652 4114 5324 5644 6358 6889 7304 8228 10043 10648 11288 12716 13778 15521 16456 20086 22627 23987 25432 27556 31042 34969 40172 45254 47974 55112 62084 69938 75779 80344 90508 95948 110473 117113 124168 139876 151558 170731 181016 191896 220946 234226 263857 279752 303116 341462 384659 441892 468452 527714 606232 682924 769318 833569 883784 936904 1055428 1288243 1365848 1538636 1667138 1878041 1990921 2110856 2576486 2902427 3077272 3334276 3756082 3981842 5152972 5804854 6668552 7512164 7963684 9169259 10305944 11609708 14170673 15024328 15927368 18338518 21900131 23219416 28341346 31926697 36677036 43800262 56682692 63853394 73354072 87600524 113365384 127706788 155877403 175201048 240901441 255413576 311754806 481802882 623509612 963605764 1247019224 1927211528 2649915851 5299831702 10599663404 21199326808
• Sum of all divisors σ(n): 47010013560
• Sum of proper divisors (its aliquot sum) s(n): 25810686752
• 21199326808 is an abundant number, because the sum of its proper divisors (25810686752) is greater than itself. Its abundance is 4611359944

Bases of 21199326808

• Binary: 10011101111100101000000111001011000₂
• Hexadecimal: 0x4EF940E58
• Base-36: 9QLJ594

Squares and roots of 21199326808

• 21199326808 squared (21199326808²) is 449411457112387468864
• 21199326808 cubed (21199326808³) is 9527220350584977937571860506112
• The square root of 21199326808 is 145599.8860164389
• The cube root of 21199326808 is 2767.6257119599

Scales and comparisons

• 21,199,326,808 seconds is equal to 674 years, 3 weeks, 5 days, 13 hours, 53 minutes, 28 seconds.
• To count from 1 to 21,199,326,808 would take you about one thousand, three hundred forty-eight 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 21199326808 cubic inches would be around 230.6 feet tall.

Recreational maths with 21199326808

• 21199326808 backwards is 80862399112
• The number of decimal digits it has is: 11
• The sum of 21199326808's digits is 49
• More coming soon!