21320356559755536

Names of 21320356559755536

• Cardinal: 21320356559755536 can be written as Twenty-one quadrillion, three hundred twenty trillion, three hundred fifty-six billion, five hundred fifty-nine million, seven hundred fifty-five thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 2.1320356559755536 × 10¹⁶

Factors of 21320356559755536

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 148058031664974

Divisors of 21320356559755536

• Number of divisors d(n): 30
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 148058031664969 296116063329938 444174094994907 592232126659876 888348189989814 1184464253319752 1332522284984721 1776696379979628 2368928506639504 2665044569969442 3553392759959256 5330089139938884 7106785519918512 10660178279877768 21320356559755536
• Sum of all divisors σ(n): 59667386760982910
• Sum of proper divisors (its aliquot sum) s(n): 38347030201227374
• 21320356559755536 is an abundant number, because the sum of its proper divisors (38347030201227374) is greater than itself. Its abundance is 17026673641471838

Bases of 21320356559755536

• Binary: 1001011101111101100000001010111001110101001100100010000₂
• Hexadecimal: 0x4BBEC0573A9910
• Base-36: 5TXFOL8DUS0

Squares and roots of 21320356559755536

• 21320356559755536 squared (21320356559755536²) is 454557603835110914307892082647296
• 21320356559755536 cubed (21320356559755536³) is 9691330190712665170127918269485974909769471430656
• The square root of 21320356559755536 is 146014918.9629454815
• The cube root of 21320356559755536 is 277288.2633824277

Scales and comparisons

• 21,320,356,559,755,536 seconds is equal to 677,921,390 years, 21 weeks, 1 day, 6 hours, 45 minutes, 36 seconds.
• To count from 1 to 21,320,356,559,755,536 would take you about two billion, thirty-three million, seven hundred sixty-four thousand, one 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 21320356559755536 cubic inches would be around 23107.4 feet tall.

Recreational maths with 21320356559755536

• 21320356559755536 backwards is 63555795565302312
• 21320356559755536 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21320356559755536's digits is 72
• More coming soon!