21042859104

Names of 21042859104

• Cardinal: 21042859104 can be written as Twenty-one billion, forty-two million, eight hundred fifty-nine thousand, one hundred four.

Scientific notation

• Scientific notation: 2.1042859104 × 10¹⁰

Factors of 21042859104

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 33414

Divisors of 21042859104

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 729 864 972 1296 1458 1944 2187 2592 2916 3888 4374 5832 6561 7776 8748 11664 13122 17496 19683 23328 26244 33409 34992 39366 52488 66818 69984 78732 100227 104976 133636 157464 200454 209952 267272 300681 314928 400908 534544 601362 629856 801816 902043 1069088 1202724 1603632 1804086 2405448 2706129 3207264 3608172 4810896 5412258 7216344 8118387 9621792 10824516 14432688 16236774 21649032 24355161 28865376 32473548 43298064 48710322 64947096 73065483 86596128 97420644 129894192 146130966 194841288 219196449 259788384 292261932 389682576 438392898 584523864 657589347 779365152 876785796 1169047728 1315178694 1753571592 2338095456 2630357388 3507143184 5260714776 7014286368 10521429552 21042859104
• Sum of all divisors σ(n): 62143000920
• Sum of proper divisors (its aliquot sum) s(n): 41100141816
• 21042859104 is an abundant number, because the sum of its proper divisors (41100141816) is greater than itself. Its abundance is 20057282712

Bases of 21042859104

• Binary: 10011100110010000001000110001100000₂
• Hexadecimal: 0x4E6408C60
• Base-36: 9O0DI00

Squares and roots of 21042859104

• 21042859104 squared (21042859104²) is 442801919270795682816
• 21042859104 cubed (21042859104³) is 9317818398196135975468561956864
• The square root of 21042859104 is 145061.5700452743
• The cube root of 21042859104 is 2760.7998060131

Scales and comparisons

• 21,042,859,104 seconds is equal to 669 years, 5 weeks, 14 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,042,859,104 would take you about one thousand, three hundred thirty-eight 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 21042859104 cubic inches would be around 230.1 feet tall.

Recreational maths with 21042859104

• 21042859104 backwards is 40195824012
• 21042859104 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21042859104's digits is 36
• More coming soon!