21243054960

Names of 21243054960

• Cardinal: 21243054960 can be written as Twenty-one billion, two hundred forty-three million, fifty-four thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.124305496 × 10¹⁰

Factors of 21243054960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 67054

Divisors of 21243054960

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 443 720 886 1329 1772 2215 2658 3544 3987 4430 5316 6645 7088 7974 8860 10632 13290 15948 17720 19935 21264 26580 31896 35440 39870 53160 63792 66601 79740 106320 133202 159480 199803 266404 318960 333005 399606 532808 599409 666010 799212 999015 1065616 1198818 1332020 1598424 1998030 2397636 2664040 2997045 3196848 3996060 4795272 5328080 5994090 7992120 9590544 11988180 15984240 23976360 29504243 47952720 59008486 88512729 118016972 147521215 177025458 236033944 265538187 295042430 354050916 442563645 472067888 531076374 590084860 708101832 885127290 1062152748 1180169720 1327690935 1416203664 1770254580 2124305496 2360339440 2655381870 3540509160 4248610992 5310763740 7081018320 10621527480 21243054960
• Sum of all divisors σ(n): 71503374384
• Sum of proper divisors (its aliquot sum) s(n): 50260319424
• 21243054960 is an abundant number, because the sum of its proper divisors (50260319424) is greater than itself. Its abundance is 29017264464

Bases of 21243054960

• Binary: 10011110010001011110100101101110000₂
• Hexadecimal: 0x4F22F4B70
• Base-36: 9RBKE40

Squares and roots of 21243054960

• 21243054960 squared (21243054960²) is 451267384033580601600
• 21243054960 cubed (21243054960³) is 9586297840680779205378663936000
• The square root of 21243054960 is 145749.9741337885
• The cube root of 21243054960 is 2769.5273453163

Scales and comparisons

• 21,243,054,960 seconds is equal to 675 years, 24 weeks, 16 hours, 36 minutes.
• To count from 1 to 21,243,054,960 would take you about one thousand, three hundred fifty 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 21243054960 cubic inches would be around 230.8 feet tall.

Recreational maths with 21243054960

• 21243054960 backwards is 06945034212
• 21243054960 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21243054960's digits is 36
• More coming soon!