13739440

Names of 13739440

• Cardinal: 13739440 can be written as Thirteen million, seven hundred thirty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.373944 × 10⁷

Factors of 13739440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1232

Divisors of 13739440

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 26 40 44 52 55 65 80 88 104 110 130 143 176 208 220 260 286 440 520 572 715 880 1040 1144 1201 1430 2288 2402 2860 4804 5720 6005 9608 11440 12010 13211 15613 19216 24020 26422 31226 48040 52844 62452 66055 78065 96080 105688 124904 132110 156130 171743 211376 249808 264220 312260 343486 528440 624520 686972 858715 1056880 1249040 1373944 1717430 2747888 3434860 6869720 13739440
• Sum of all divisors σ(n): 37560096
• Sum of proper divisors (its aliquot sum) s(n): 23820656
• 13739440 is an abundant number, because the sum of its proper divisors (23820656) is greater than itself. Its abundance is 10081216

Bases of 13739440

• Binary: 110100011010010110110000₂
• Hexadecimal: 0xD1A5B0
• Base-36: 86HF4

Squares and roots of 13739440

• 13739440 squared (13739440²) is 188772211513600
• 13739440 cubed (13739440³) is 2593624473758416384000
• The square root of 13739440 is 3706.6750599427
• The cube root of 13739440 is 239.5096469717

Scales and comparisons

• 13,739,440 seconds is equal to 22 weeks, 5 days, 30 minutes, 40 seconds.
• To count from 1 to 13,739,440 would take you about thirty-four weeks!

  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 13739440 cubic inches would be around 20 feet tall.

Recreational maths with 13739440

• 13739440 backwards is 04493731
• The number of decimal digits it has is: 8
• The sum of 13739440's digits is 31
• More coming soon!