21480015431440

Names of 21480015431440

• Cardinal: 21480015431440 can be written as Twenty-one trillion, four hundred eighty billion, fifteen million, four hundred thirty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.148001543144 × 10¹³

Factors of 21480015431440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4550850793

Divisors of 21480015431440

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 59 80 118 236 295 472 590 944 1180 2360 4720 4550850727 9101701454 18203402908 22754253635 36406805816 45508507270 72813611632 91017014540 182034029080 268500192893 364068058160 537000385786 1074000771572 1342500964465 2148001543144 2685001928930 4296003086288 5370003857860 10740007715720 21480015431440
• Sum of all divisors σ(n): 50787494124480
• Sum of proper divisors (its aliquot sum) s(n): 29307478693040
• 21480015431440 is an abundant number, because the sum of its proper divisors (29307478693040) is greater than itself. Its abundance is 7827463261600

Bases of 21480015431440

• Binary: 100111000100100110100101100001000011100010000₂
• Hexadecimal: 0x138934B08710
• Base-36: 7M3S6L91S

Squares and roots of 21480015431440

• 21480015431440 squared (21480015431440²) is 461391062934900529340473600
• 21480015431440 cubed (21480015431440³) is 9910687151770167586374797413757929984000
• The square root of 21480015431440 is 4634653.7552917585
• The cube root of 21480015431440 is 27797.8706473535

Scales and comparisons

• 21,480,015,431,440 seconds is equal to 682,998 years, 2 weeks, 3 days, 17 hours, 10 minutes, 40 seconds.
• To count from 1 to 21,480,015,431,440 would take you about one million, seven hundred seven thousand, four hundred ninety-five 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 21480015431440 cubic inches would be around 2316.5 feet tall.

Recreational maths with 21480015431440

• 21480015431440 backwards is 04413451008412
• The number of decimal digits it has is: 14
• The sum of 21480015431440's digits is 37
• More coming soon!