21137108608

Names of 21137108608

• Cardinal: 21137108608 can be written as Twenty-one billion, one hundred thirty-seven million, one hundred eight thousand, six hundred eight.

Scientific notation

• Scientific notation: 2.1137108608 × 10¹⁰

Factors of 21137108608

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 194983

Divisors of 21137108608

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 121 128 154 176 224 242 308 352 448 484 616 704 847 896 968 1232 1408 1694 1936 2464 3388 3872 4928 6776 7744 9856 13552 15488 27104 54208 108416 194963 389926 779852 1364741 1559704 2144593 2729482 3119408 4289186 5458964 6238816 8578372 10917928 12477632 15012151 17156744 21835856 23590523 24955264 30024302 34313488 43671712 47181046 60048604 68626976 87343424 94362092 120097208 137253952 165133661 174686848 188724184 240194416 274507904 330267322 377448368 480388832 660534644 754896736 960777664 1321069288 1509793472 1921555328 2642138576 3019586944 5284277152 10568554304 21137108608
• Sum of all divisors σ(n): 52897632480
• Sum of proper divisors (its aliquot sum) s(n): 31760523872
• 21137108608 is an abundant number, because the sum of its proper divisors (31760523872) is greater than itself. Its abundance is 10623415264

Bases of 21137108608

• Binary: 10011101011110111101010111010000000₂
• Hexadecimal: 0x4EBDEAE80
• Base-36: 9PKHLDS

Squares and roots of 21137108608

• 21137108608 squared (21137108608²) is 446777360306387697664
• 21137108608 cubed (21137108608³) is 9443581588391664921679035891712
• The square root of 21137108608 is 145386.0674480193
• The cube root of 21137108608 is 2764.9154776889

Scales and comparisons

• 21,137,108,608 seconds is equal to 672 years, 4 weeks, 6 days, 11 hours, 3 minutes, 28 seconds.
• To count from 1 to 21,137,108,608 would take you about one thousand, three hundred forty-four 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 21137108608 cubic inches would be around 230.4 feet tall.

Recreational maths with 21137108608

• 21137108608 backwards is 80680173112
• The number of decimal digits it has is: 11
• The sum of 21137108608's digits is 37
• More coming soon!