21676767489

Names of 21676767489

• Cardinal: 21676767489 can be written as Twenty-one billion, six hundred seventy-six million, seven hundred sixty-seven thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 2.1676767489 × 10¹⁰

Factors of 21676767489

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1056

Divisors of 21676767489

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 13 29 39 53 87 117 149 159 261 377 447 477 689 809 1131 1341 1537 1937 2067 2427 3393 4321 4611 5811 6201 7281 7897 10517 12963 13833 17433 19981 23461 23691 31551 38889 42877 56173 59943 70383 71073 94653 102661 120541 128631 168519 179829 211149 229013 304993 307983 361623 385893 505557 557401 687039 914979 923949 1084869 1243433 1567033 1672203 2061117 2744937 2977169 3495689 3730299 4701099 5016609 6388673 8931507 10487067 11190897 14103297 16164629 19166019 26794521 31461201 45443957 48493887 57498057 83052749 136331871 145481661 185271517 249158247 408995613 555814551 747474741 1667443653 2408529721 7225589163 21676767489
• Sum of all divisors σ(n): 35823060000
• Sum of proper divisors (its aliquot sum) s(n): 14146292511
• 21676767489 is a deficient number, because the sum of its proper divisors (14146292511) is less than itself. Its deficiency is 7530474978

Bases of 21676767489

• Binary: 10100001100000010010011100100000001₂
• Hexadecimal: 0x50C093901
• Base-36: 9YHSCU9

Squares and roots of 21676767489

• 21676767489 squared (21676767489²) is 469882248772167365121
• 21676767489 cubed (21676767489³) is 10185528253842727708321685351169
• The square root of 21676767489 is 147230.3212283393
• The cube root of 21676767489 is 2788.2486874003

Scales and comparisons

• 21,676,767,489 seconds is equal to 689 years, 13 weeks, 1 day, 12 hours, 18 minutes, 9 seconds.
• To count from 1 to 21,676,767,489 would take you about one thousand, three hundred seventy-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 21676767489 cubic inches would be around 232.4 feet tall.

Recreational maths with 21676767489

• 21676767489 backwards is 98476767612
• The number of decimal digits it has is: 11
• The sum of 21676767489's digits is 63
• More coming soon!