21348239432

Names of 21348239432

• Cardinal: 21348239432 can be written as Twenty-one billion, three hundred forty-eight million, two hundred thirty-nine thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1348239432 × 10¹⁰

Factors of 21348239432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 457

Divisors of 21348239432

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 13 26 52 83 104 166 332 359 664 718 1079 1436 2158 2872 4316 4667 6889 8632 9334 13778 18668 27556 29797 37336 55112 59594 89557 119188 179114 238376 358228 387361 571787 716456 774722 1143574 1549444 2287148 2473151 3098888 4574296 4946302 7433231 9892604 14866462 19785208 29732924 32150963 59465848 64301926 128603852 205271533 257207704 410543066 821086132 1642172264 2668529929 5337059858 10674119716 21348239432
• Sum of all divisors σ(n): 43754256000
• Sum of proper divisors (its aliquot sum) s(n): 22406016568
• 21348239432 is an abundant number, because the sum of its proper divisors (22406016568) is greater than itself. Its abundance is 1057777136

Bases of 21348239432

• Binary: 10011111000011101000100100001001000₂
• Hexadecimal: 0x4F8744848
• Base-36: 9T26UYW

Squares and roots of 21348239432

• 21348239432 squared (21348239432²) is 455747326845999682624
• 21348239432 cubed (21348239432³) is 9729403054002362616053162029568
• The square root of 21348239432 is 146110.3672981489
• The cube root of 21348239432 is 2774.0909039855

Scales and comparisons

• 21,348,239,432 seconds is equal to 678 years, 42 weeks, 2 hours, 30 minutes, 32 seconds.
• To count from 1 to 21,348,239,432 would take you about one thousand, three hundred fifty-seven 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 21348239432 cubic inches would be around 231.2 feet tall.

Recreational maths with 21348239432

• 21348239432 backwards is 23493284312
• The number of decimal digits it has is: 11
• The sum of 21348239432's digits is 41
• More coming soon!