21104838310309

Names of 21104838310309

• Cardinal: 21104838310309 can be written as Twenty-one trillion, one hundred four billion, eight hundred thirty-eight million, three hundred ten thousand, three hundred nine.

Scientific notation

• Scientific notation: 2.1104838310309 × 10¹³

Factors of 21104838310309

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 18050

Divisors of 21104838310309

• Number of divisors d(n): 72
• Complete list of divisors:
  1 13 17 43 169 221 289 559 731 1849 2197 2873 3757 7267 9503 12427 17977 24037 31433 37349 48841 94471 123539 161551 233701 305609 312481 408629 534361 634933 773011 1606007 2100163 3038113 3972917 4062253 5195353 5312177 6946693 10049143 13141187 27302119 33239473 39495469 51647921 67539589 69058301 90307009 130638859 170835431 223400179 432113149 565071041 671422973 878014657 1173991117 1698305167 2220860603 2904202327 5617470937 7345923533 9606207697 11414190541 28871187839 37754630251 73027122181 95497005929 124880700061 490810193263 1241461077077 1623449100793 21104838310309
• Sum of all divisors σ(n): 24866079773640
• Sum of proper divisors (its aliquot sum) s(n): 3761241463331
• 21104838310309 is a deficient number, because the sum of its proper divisors (3761241463331) is less than itself. Its deficiency is 17343596846978

Bases of 21104838310309

• Binary: 100110011000111011010011000111111100110100101₂
• Hexadecimal: 0x1331DA63F9A5
• Base-36: 7HBFFTHNP

Squares and roots of 21104838310309

• 21104838310309 squared (21104838310309²) is 445414200104286446175675481
• 21104838310309 cubed (21104838310309³) is 9400394674316583572294373393404760833629
• The square root of 21104838310309 is 4594000.2514485129
• The cube root of 21104838310309 is 27635.0768358021

Scales and comparisons

• 21,104,838,310,309 seconds is equal to 671,068 years, 29 weeks, 6 days, 22 hours, 11 minutes, 49 seconds.
• To count from 1 to 21,104,838,310,309 would take you about one million, six hundred seventy-seven thousand, six 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 21104838310309 cubic inches would be around 2302.9 feet tall.

Recreational maths with 21104838310309

• 21104838310309 backwards is 90301383840112
• 21104838310309 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21104838310309's digits is 43
• More coming soon!