21502999400967

Names of 21502999400967

• Cardinal: 21502999400967 can be written as Twenty-one trillion, five hundred two billion, nine hundred ninety-nine million, four hundred thousand, nine hundred sixty-seven.

Scientific notation

• Scientific notation: 2.1502999400967 × 10¹³

Factors of 21502999400967

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 891

Divisors of 21502999400967

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 7 9 21 27 63 81 189 243 567 729 881 1701 2187 2643 5103 6167 6561 7929 15309 18501 19683 23787 45927 55503 59049 71361 137781 166509 177147 214083 413343 499527 531441 642249 1240029 1498581 1594323 1926747 3720087 4495743 4782969 5780241 11160261 13487229 14348907 17340723 33480783 40461687 43046721 52022169 100442349 121385061 129140163 156066507 301327047 364155183 387420489 468199521 903981141 1092465549 1162261467 1404598563 2711943423 3277396647 3486784401 4213795689 8135830269 9832189941 12641387067 24407490807 29496569823 37924161201 88489709469 113772483603 265469128407 341317450809 796407385221 1023952352427 2389222155663 3071857057281 7167666466989 21502999400967
• Sum of all divisors σ(n): 36904126096656
• Sum of proper divisors (its aliquot sum) s(n): 15401126695689
• 21502999400967 is a deficient number, because the sum of its proper divisors (15401126695689) is less than itself. Its deficiency is 6101872705278

Bases of 21502999400967

• Binary: 100111000111010001110101001000001001000000111₂
• Hexadecimal: 0x138E8EA41207
• Base-36: 7MECANHFR

Squares and roots of 21502999400967

• 21502999400967 squared (21502999400967²) is 462378983237987160840535089
• 21502999400967 cubed (21502999400967³) is 9942534999586168453552863098978744031063
• The square root of 21502999400967 is 4637132.6701925405
• The cube root of 21502999400967 is 27807.7818392941

Scales and comparisons

• 21,502,999,400,967 seconds is equal to 683,728 years, 45 weeks, 21 hours, 9 minutes, 27 seconds.
• To count from 1 to 21,502,999,400,967 would take you about one million, seven hundred nine thousand, three hundred twenty-two 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 21502999400967 cubic inches would be around 2317.3 feet tall.

Recreational maths with 21502999400967

• 21502999400967 backwards is 76900499920512
• 21502999400967 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21502999400967's digits is 63
• More coming soon!