21445236162

Names of 21445236162

• Cardinal: 21445236162 can be written as Twenty-one billion, four hundred forty-five million, two hundred thirty-six thousand, one hundred sixty-two.

Scientific notation

• Scientific notation: 2.1445236162 × 10¹⁰

Factors of 21445236162

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 606

Divisors of 21445236162

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 227 367 378 454 567 681 734 1101 1134 1362 1589 2043 2202 2569 3178 3303 4086 4767 5138 6129 6606 7707 9534 9909 12258 14301 15414 18387 19818 23121 28602 29727 36774 42903 46242 51529 59454 69363 83309 85806 103058 128709 138726 154587 166618 208089 249927 257418 309174 360703 416178 463761 499854 583163 721406 749781 927522 1082109 1166326 1391283 1499562 1749489 2164218 2249343 2782566 3246327 3498978 4173849 4498686 5248467 6492654 6748029 8347698 9738981 10496934 13496058 15745401 18911143 19477962 29216943 31490802 37822286 47236203 56733429 58433886 94472406 113466858 132378001 170200287 264756002 340400574 397134003 510600861 794268006 1021201722 1191402009 1531802583 2382804018 3063605166 3574206027 7148412054 10722618081 21445236162
• Sum of all divisors σ(n): 55311256704
• Sum of proper divisors (its aliquot sum) s(n): 33866020542
• 21445236162 is an abundant number, because the sum of its proper divisors (33866020542) is greater than itself. Its abundance is 12420784380

Bases of 21445236162

• Binary: 10011111110001111000101010111000010₂
• Hexadecimal: 0x4FE3C55C2
• Base-36: 9UNXU4I

Squares and roots of 21445236162

• 21445236162 squared (21445236162²) is 459898154043952490244
• 21445236162 cubed (21445236162³) is 9862624523940416481190581003528
• The square root of 21445236162 is 146441.9207809021
• The cube root of 21445236162 is 2778.2859610745

Scales and comparisons

• 21,445,236,162 seconds is equal to 681 years, 46 weeks, 2 days, 18 hours, 2 minutes, 42 seconds.
• To count from 1 to 21,445,236,162 would take you about one thousand, three hundred sixty-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 21445236162 cubic inches would be around 231.5 feet tall.

Recreational maths with 21445236162

• 21445236162 backwards is 26163254412
• The number of decimal digits it has is: 11
• The sum of 21445236162's digits is 36
• More coming soon!