21375309083840

Names of 21375309083840

• Cardinal: 21375309083840 can be written as Twenty-one trillion, three hundred seventy-five billion, three hundred nine million, eighty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.137530908384 × 10¹³

Factors of 21375309083840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1805347095

Divisors of 21375309083840

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 37 40 64 74 80 148 160 185 296 320 370 592 740 1184 1480 2368 2960 5920 11840 1805347051 3610694102 7221388204 9026735255 14442776408 18053470510 28885552816 36106941020 57771105632 66797840887 72213882040 115542211264 133595681774 144427764080 267191363548 288855528160 333989204435 534382727096 577711056320 667978408870 1068765454192 1335956817740 2137530908384 2671913635480 4275061816768 5343827270960 10687654541920 21375309083840
• Sum of all divisors σ(n): 52275629237712
• Sum of proper divisors (its aliquot sum) s(n): 30900320153872
• 21375309083840 is an abundant number, because the sum of its proper divisors (30900320153872) is greater than itself. Its abundance is 9525011070032

Bases of 21375309083840

• Binary: 100110111000011010011101101000111010011000000₂
• Hexadecimal: 0x1370D3B474C0
• Base-36: 7KROJ4U68

Squares and roots of 21375309083840

• 21375309083840 squared (21375309083840²) is 456903838429692820149145600
• 21375309083840 cubed (21375309083840³) is 9766460768027576619714859327294767104000
• The square root of 21375309083840 is 4623343.9287857441
• The cube root of 21375309083840 is 27752.6292815215

Scales and comparisons

• 21,375,309,083,840 seconds is equal to 679,668 years, 36 weeks, 6 days, 16 hours, 37 minutes, 20 seconds.
• To count from 1 to 21,375,309,083,840 would take you about one million, six hundred ninety-nine thousand, one hundred seventy-one 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 21375309083840 cubic inches would be around 2312.7 feet tall.

Recreational maths with 21375309083840

• 21375309083840 backwards is 04838090357312
• The number of decimal digits it has is: 14
• The sum of 21375309083840's digits is 53
• More coming soon!