21107869104

Names of 21107869104

• Cardinal: 21107869104 can be written as Twenty-one billion, one hundred seven million, eight hundred sixty-nine thousand, one hundred four.

Scientific notation

• Scientific notation: 2.1107869104 × 10¹⁰

Factors of 21107869104

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 610028

Divisors of 21107869104

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 103 112 168 206 309 336 412 618 721 824 1236 1442 1648 2163 2472 2884 4326 4944 5768 8652 11536 17304 34608 609913 1219826 1829739 2439652 3659478 4269391 4879304 7318956 8538782 9758608 12808173 14637912 17077564 25616346 29275824 34155128 51232692 62821039 68310256 102465384 125642078 188463117 204930768 251284156 376926234 439747273 502568312 753852468 879494546 1005136624 1319241819 1507704936 1758989092 2638483638 3015409872 3517978184 5276967276 7035956368 10553934552 21107869104
• Sum of all divisors σ(n): 62923607552
• Sum of proper divisors (its aliquot sum) s(n): 41815738448
• 21107869104 is an abundant number, because the sum of its proper divisors (41815738448) is greater than itself. Its abundance is 20707869344

Bases of 21107869104

• Binary: 10011101010001000001000010110110000₂
• Hexadecimal: 0x4EA2085B0
• Base-36: 9P32W1C

Squares and roots of 21107869104

• 21107869104 squared (21107869104²) is 445542138111597762816
• 21107869104 cubed (21107869104³) is 9404445131575895321819366436864
• The square root of 21107869104 is 145285.4745113909
• The cube root of 21107869104 is 2763.6399632125

Scales and comparisons

• 21,107,869,104 seconds is equal to 671 years, 8 weeks, 4 days, 58 minutes, 24 seconds.
• To count from 1 to 21,107,869,104 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 21107869104 cubic inches would be around 230.3 feet tall.

Recreational maths with 21107869104

• 21107869104 backwards is 40196870112
• The number of decimal digits it has is: 11
• The sum of 21107869104's digits is 39
• More coming soon!