21365782538364

Names of 21365782538364

• Cardinal: 21365782538364 can be written as Twenty-one trillion, three hundred sixty-five billion, seven hundred eighty-two million, five hundred thirty-eight thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 2.1365782538364 × 10¹³

Factors of 21365782538364

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 805283610

Divisors of 21365782538364

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 33 36 44 66 67 99 132 134 198 201 268 396 402 603 737 804 1206 1474 2211 2412 2948 4422 6633 8844 13266 26532 805283527 1610567054 2415850581 3221134108 4831701162 7247551743 8858118797 9663402324 14495103486 17716237594 26574356391 28990206972 35432475188 53148712782 53953996309 79723069173 106297425564 107907992618 159446138346 161861988927 215815985236 318892276692 323723977854 485585966781 593493959399 647447955708 971171933562 1186987918798 1780481878197 1942343867124 2373975837596 3560963756394 5341445634591 7121927512788 10682891269182 21365782538364
• Sum of all divisors σ(n): 59797133655168
• Sum of proper divisors (its aliquot sum) s(n): 38431351116804
• 21365782538364 is an abundant number, because the sum of its proper divisors (38431351116804) is greater than itself. Its abundance is 17065568578440

Bases of 21365782538364

• Binary: 100110110111010011011111000001110100001111100₂
• Hexadecimal: 0x136E9BE0E87C
• Base-36: 7KNAZ9WN0

Squares and roots of 21365782538364

• 21365782538364 squared (21365782538364²) is 456496663476660011131796496
• 21365782538364 cubed (21365782538364³) is 9753408441331049621908127434858360772544
• The square root of 21365782538364 is 4622313.5482530823
• The cube root of 21365782538364 is 27748.5057392465

Scales and comparisons

• 21,365,782,538,364 seconds is equal to 679,365 years, 41 weeks, 2 days, 17 hours, 59 minutes, 24 seconds.
• To count from 1 to 21,365,782,538,364 would take you about one million, six hundred ninety-eight thousand, four hundred fourteen 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 21365782538364 cubic inches would be around 2312.4 feet tall.

Recreational maths with 21365782538364

• 21365782538364 backwards is 46383528756312
• The number of decimal digits it has is: 14
• The sum of 21365782538364's digits is 63
• More coming soon!