21083958917728

Names of 21083958917728

• Cardinal: 21083958917728 can be written as Twenty-one trillion, eighty-three billion, nine hundred fifty-eight million, nine hundred seventeen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1083958917728 × 10¹³

Factors of 21083958917728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 20783349

Divisors of 21083958917728

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 647 784 1294 1568 2588 4529 5176 9058 10352 18116 20704 31703 36232 63406 72464 126812 144928 253624 507248 1014496 20782693 41565386 83130772 145478851 166261544 290957702 332523088 581915404 665046176 1018351957 1163830808 2036703914 2327661616 4073407828 4655323232 8146815656 13446402371 16293631312 26892804742 32587262624 53785609484 94124816597 107571218968 188249633194 215142437936 376499266388 430284875872 658873716179 752998532776 1317747432358 1505997065552 2635494864716 3011994131104 5270989729432 10541979458864 21083958917728
• Sum of all divisors σ(n): 48360663891792
• Sum of proper divisors (its aliquot sum) s(n): 27276704974064
• 21083958917728 is an abundant number, because the sum of its proper divisors (27276704974064) is greater than itself. Its abundance is 6192746056336

Bases of 21083958917728

• Binary: 100110010110011111101111000011011101001100000₂
• Hexadecimal: 0x132CFDE1BA60
• Base-36: 7H1U4RN8G

Squares and roots of 21083958917728

• 21083958917728 squared (21083958917728²) is 444533323644442057072681984
• 21083958917728 cubed (21083958917728³) is 9372522333280501306320550051210963812352
• The square root of 21083958917728 is 4591727.2259715079
• The cube root of 21083958917728 is 27625.9605375327

Scales and comparisons

• 21,083,958,917,728 seconds is equal to 670,404 years, 35 weeks, 1 day, 6 hours, 55 minutes, 28 seconds.
• To count from 1 to 21,083,958,917,728 would take you about one million, six hundred seventy-six thousand and eleven 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 21083958917728 cubic inches would be around 2302.2 feet tall.

Recreational maths with 21083958917728

• 21083958917728 backwards is 82771985938012
• The number of decimal digits it has is: 14
• The sum of 21083958917728's digits is 70
• More coming soon!