21210684333550

Names of 21210684333550

• Cardinal: 21210684333550 can be written as Twenty-one trillion, two hundred ten billion, six hundred eighty-four million, three hundred thirty-three thousand, five hundred fifty.

Scientific notation

• Scientific notation: 2.121068433355 × 10¹³

Factors of 21210684333550

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 66952

Divisors of 21210684333550

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 5 10 25 50 383 766 1915 3830 9575 19150 33149 33413 66298 66826 165745 167065 331490 334130 828725 835325 1657450 1670650 12696067 12797179 25392134 25594358 63480335 63985895 126960670 127971790 317401675 319929475 634803350 639858950 1107607537 2215215074 5538037685 11076075370 27690188425 55380376850 424213686671 848427373342 2121068433355 4242136866710 10605342166775 21210684333550
• Sum of all divisors σ(n): 39557257459200
• Sum of proper divisors (its aliquot sum) s(n): 18346573125650
• 21210684333550 is a deficient number, because the sum of its proper divisors (18346573125650) is less than itself. Its deficiency is 2864111207900

Bases of 21210684333550

• Binary: 100110100101001111111010011100001110111101110₂
• Hexadecimal: 0x134A7F4E1DEE
• Base-36: 7IO1XT3VY

Squares and roots of 21210684333550

• 21210684333550 squared (21210684333550²) is 449893129897503407655602500
• 21210684333550 cubed (21210684333550³) is 9542541162088750646018427080636213875000
• The square root of 21210684333550 is 4605505.8716225735
• The cube root of 21210684333550 is 27681.1987494621

Scales and comparisons

• 21,210,684,333,550 seconds is equal to 674,434 years, 7 weeks, 6 days, 15 hours, 19 minutes, 10 seconds.
• To count from 1 to 21,210,684,333,550 would take you about one million, six hundred eighty-six thousand and eighty-five 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 21210684333550 cubic inches would be around 2306.8 feet tall.

Recreational maths with 21210684333550

• 21210684333550 backwards is 05533348601212
• The number of decimal digits it has is: 14
• The sum of 21210684333550's digits is 43
• More coming soon!