21512105371016

Names of 21512105371016

• Cardinal: 21512105371016 can be written as Twenty-one trillion, five hundred twelve billion, one hundred five million, three hundred seventy-one thousand and sixteen.

Scientific notation

• Scientific notation: 2.1512105371016 × 10¹³

Factors of 21512105371016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 48612

Divisors of 21512105371016

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 13 26 31 52 62 104 124 248 403 806 961 1612 1922 3224 3844 4933 7688 9866 12493 19732 24986 39464 43633 49972 64129 87266 99944 128258 152923 174532 256516 305846 349064 513032 567229 611692 1134458 1223384 1352623 1987999 2268916 2705246 3975998 4537832 4740613 5410492 7951996 9481226 10820984 15903992 17584099 18962452 35168198 37924904 41931313 61627969 70336396 83862626 123255938 140672792 167725252 215241589 246511876 335450504 430483178 493023752 545107069 860966356 1090214138 1721932712 2180428276 2798140657 4360856552 5596281314 6672489259 11192562628 13344978518 22385125256 26689957036 53379914072 86742360367 173484720734 206847167029 346969441468 413694334058 693938882936 827388668116 1654777336232 2689013171377 5378026342754 10756052685508 21512105371016
• Sum of all divisors σ(n): 44894456230680
• Sum of proper divisors (its aliquot sum) s(n): 23382350859664
• 21512105371016 is an abundant number, because the sum of its proper divisors (23382350859664) is greater than itself. Its abundance is 1870245488648

Bases of 21512105371016

• Binary: 100111001000010101101011001100010010110001000₂
• Hexadecimal: 0x1390AD662588
• Base-36: 7MIIW40W8

Squares and roots of 21512105371016

• 21512105371016 squared (21512105371016²) is 462770677493695435012872256
• 21512105371016 cubed (21512105371016³) is 9955171576860838717018489839394692932096
• The square root of 21512105371016 is 4638114.4197848333
• The cube root of 21512105371016 is 27811.7065800341

Scales and comparisons

• 21,512,105,371,016 seconds is equal to 684,018 years, 21 weeks, 2 days, 1 hour, 16 minutes, 56 seconds.
• To count from 1 to 21,512,105,371,016 would take you about one million, seven hundred ten thousand and forty-six 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 21512105371016 cubic inches would be around 2317.6 feet tall.

Recreational maths with 21512105371016

• 21512105371016 backwards is 61017350121512
• The number of decimal digits it has is: 14
• The sum of 21512105371016's digits is 35
• More coming soon!