21744829372

Names of 21744829372

• Cardinal: 21744829372 can be written as Twenty-one billion, seven hundred forty-four million, eight hundred twenty-nine thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 2.1744829372 × 10¹⁰

Factors of 21744829372

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 73

Divisors of 21744829372

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 7 14 23 28 41 46 49 82 92 98 161 164 196 287 322 343 574 644 686 943 1127 1148 1372 1886 2009 2254 2401 3772 4018 4508 4802 6601 7889 8036 9604 13202 14063 15778 16807 26404 28126 31556 33614 46207 55223 56252 67228 92414 98441 110446 117649 184828 196882 220892 235298 323449 386561 393764 470596 646898 689087 773122 823543 1293796 1378174 1546244 1647086 2264143 2705927 2756348 3294172 4528286 4823609 5411854 5764801 9056572 9647218 10823708 11529602 15849001 18941489 19294436 23059204 31698002 33765263 37882978 63396004 67530526 75765956 110943007 132590423 135061052 221886014 236356841 265180846 443772028 472713682 530361692 776601049 945427364 1553202098 3106404196 5436207343 10872414686 21744829372
• Sum of all divisors σ(n): 47455840656
• Sum of proper divisors (its aliquot sum) s(n): 25711011284
• 21744829372 is an abundant number, because the sum of its proper divisors (25711011284) is greater than itself. Its abundance is 3966181912

Bases of 21744829372

• Binary: 10100010000000101111100001110111100₂
• Hexadecimal: 0x51017C3BC
• Base-36: 9ZMB5Q4

Squares and roots of 21744829372

• 21744829372 squared (21744829372²) is 472837604417393914384
• 21744829372 cubed (21744829372³) is 10281773028721464137191256486848
• The square root of 21744829372 is 147461.2809248583
• The cube root of 21744829372 is 2791.1638696181

Scales and comparisons

• 21,744,829,372 seconds is equal to 691 years, 21 weeks, 5 days, 6 hours, 22 minutes, 52 seconds.
• To count from 1 to 21,744,829,372 would take you about one thousand, three hundred eighty-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 21744829372 cubic inches would be around 232.6 feet tall.

Recreational maths with 21744829372

• 21744829372 backwards is 27392844712
• 21744829372 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21744829372's digits is 49
• More coming soon!