21277093128

Names of 21277093128

• Cardinal: 21277093128 can be written as Twenty-one billion, two hundred seventy-seven million, ninety-three thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1277093128 × 10¹⁰

Factors of 21277093128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2553

Divisors of 21277093128

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 71 142 213 284 426 568 852 1704 2477 4954 5041 7431 9908 10082 14862 15123 19816 20164 29724 30246 40328 59448 60492 120984 175867 351734 357911 527601 703468 715822 1055202 1073733 1406936 1431644 2110404 2147466 2863288 4220808 4294932 8589864 12486557 24973114 37459671 49946228 74919342 99892456 149838684 299677368 886545547 1773091094 2659636641 3546182188 5319273282 7092364376 10638546564 21277093128
• Sum of all divisors σ(n): 53974408320
• Sum of proper divisors (its aliquot sum) s(n): 32697315192
• 21277093128 is an abundant number, because the sum of its proper divisors (32697315192) is greater than itself. Its abundance is 11420222064

Bases of 21277093128

• Binary: 10011110100001101101010110100001000₂
• Hexadecimal: 0x4F436AD08
• Base-36: 9RVTY4O

Squares and roots of 21277093128

• 21277093128 squared (21277093128²) is 452714691977584824384
• 21277093128 cubed (21277093128³) is 9632452661620906796937893233152
• The square root of 21277093128 is 145866.6964320505
• The cube root of 21277093128 is 2771.0057788085

Scales and comparisons

• 21,277,093,128 seconds is equal to 676 years, 28 weeks, 2 days, 15 hours, 38 minutes, 48 seconds.
• To count from 1 to 21,277,093,128 would take you about one thousand, three hundred fifty-three 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 21277093128 cubic inches would be around 230.9 feet tall.

Recreational maths with 21277093128

• 21277093128 backwards is 82139077212
• The number of decimal digits it has is: 11
• The sum of 21277093128's digits is 42
• More coming soon!