21113748960

Names of 21113748960

• Cardinal: 21113748960 can be written as Twenty-one billion, one hundred thirteen million, seven hundred forty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.111374896 × 10¹⁰

Factors of 21113748960

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 363

Divisors of 21113748960

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 353 480 706 1059 1412 1765 2118 2824 3530 4236 5295 5648 7060 8472 10590 11296 14120 16944 21180 28240 33888 42360 56480 84720 124609 169440 249218 373827 498436 623045 747654 996872 1246090 1495308 1869135 1993744 2492180 2990616 3738270 3987488 4984360 5981232 7476540 9968720 11962464 14953080 19937440 29906160 43986977 59812320 87973954 131960931 175947908 219934885 263921862 351895816 439869770 527843724 659804655 703791632 879739540 1055687448 1319609310 1407583264 1759479080 2111374896 2639218620 3518958160 4222749792 5278437240 7037916320 10556874480 21113748960
• Sum of all divisors σ(n): 66697253280
• Sum of proper divisors (its aliquot sum) s(n): 45583504320
• 21113748960 is an abundant number, because the sum of its proper divisors (45583504320) is greater than itself. Its abundance is 24469755360

Bases of 21113748960

• Binary: 10011101010011110100011110111100000₂
• Hexadecimal: 0x4EA7A3DE0
• Base-36: 9P6KWYO

Squares and roots of 21113748960

• 21113748960 squared (21113748960²) is 445790395145901081600
• 21113748960 cubed (21113748960³) is 9412306491889758009894875136000
• The square root of 21113748960 is 145305.7086283949
• The cube root of 21113748960 is 2763.8965546653

Scales and comparisons

• 21,113,748,960 seconds is equal to 671 years, 18 weeks, 2 days, 2 hours, 16 minutes.
• To count from 1 to 21,113,748,960 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 21113748960 cubic inches would be around 230.3 feet tall.

Recreational maths with 21113748960

• 21113748960 backwards is 06984731112
• The number of decimal digits it has is: 11
• The sum of 21113748960's digits is 42
• More coming soon!