21130749822

Names of 21130749822

• Cardinal: 21130749822 can be written as Twenty-one billion, one hundred thirty million, seven hundred forty-nine thousand, eight hundred twenty-two.

Scientific notation

• Scientific notation: 2.1130749822 × 10¹⁰

Factors of 21130749822

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2018

Divisors of 21130749822

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 41 42 78 82 91 123 182 246 273 287 533 546 574 861 883 1066 1069 1599 1722 1766 2138 2649 3198 3207 3731 5298 6181 6414 7462 7483 11193 11479 12362 13897 14966 18543 22386 22449 22958 27794 34437 36203 37086 41691 43829 44898 68874 72406 80353 83382 87658 97279 108609 131487 160706 194558 217218 241059 253421 262974 291837 306803 470639 482118 506842 569777 583674 613606 760263 920409 941278 943927 1139554 1411917 1520526 1709331 1840818 1887854 2823834 2831781 3294473 3418662 3988439 5663562 6588946 6607489 7976878 9883419 11965317 12271051 13214978 19766838 19822467 23930634 24542102 36813153 38701007 39644934 73626306 77402014 85897357 116103021 171794714 232206042 257692071 270907049 503113091 515384142 541814098 812721147 1006226182 1509339273 1625442294 3018678546 3521791637 7043583274 10565374911 21130749822
• Sum of all divisors σ(n): 53393034240
• Sum of proper divisors (its aliquot sum) s(n): 32262284418
• 21130749822 is an abundant number, because the sum of its proper divisors (32262284418) is greater than itself. Its abundance is 11131534596

Bases of 21130749822

• Binary: 10011101011011111011010011101111110₂
• Hexadecimal: 0x4EB7DA77E
• Base-36: 9PGPAWU

Squares and roots of 21130749822

• 21130749822 squared (21130749822²) is 446508588039953031684
• 21130749822 cubed (21130749822³) is 9435061267246708853145043360248
• The square root of 21130749822 is 145364.1971807363
• The cube root of 21130749822 is 2764.6381885937

Scales and comparisons

• 21,130,749,822 seconds is equal to 671 years, 46 weeks, 2 days, 20 hours, 43 minutes, 42 seconds.
• To count from 1 to 21,130,749,822 would take you about one thousand, three hundred forty-three 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 21130749822 cubic inches would be around 230.4 feet tall.

Recreational maths with 21130749822

• 21130749822 backwards is 22894703112
• 21130749822 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21130749822's digits is 39
• More coming soon!