13379724

Names of 13379724

• Cardinal: 13379724 can be written as Thirteen million, three hundred seventy-nine thousand, seven hundred twenty-four.

Scientific notation

• Scientific notation: 1.3379724 × 10⁷

Factors of 13379724

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 686

Divisors of 13379724

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 19 31 36 38 57 62 76 93 114 124 171 186 228 279 342 372 558 589 631 684 1116 1178 1262 1767 1893 2356 2524 3534 3786 5301 5679 7068 7572 10602 11358 11989 19561 21204 22716 23978 35967 39122 47956 58683 71934 78244 107901 117366 143868 176049 215802 234732 352098 371659 431604 704196 743318 1114977 1486636 2229954 3344931 4459908 6689862 13379724
• Sum of all divisors σ(n): 36807680
• Sum of proper divisors (its aliquot sum) s(n): 23427956
• 13379724 is an abundant number, because the sum of its proper divisors (23427956) is greater than itself. Its abundance is 10048232

Bases of 13379724

• Binary: 110011000010100010001100₂
• Hexadecimal: 0xCC288C
• Base-36: 7YRV0

Squares and roots of 13379724

• 13379724 squared (13379724²) is 179017014316176
• 13379724 cubed (13379724³) is 2395198242854483615424
• The square root of 13379724 is 3657.8305045477
• The cube root of 13379724 is 237.4009130519

Scales and comparisons

• 13,379,724 seconds is equal to 22 weeks, 20 hours, 35 minutes, 24 seconds.
• To count from 1 to 13,379,724 would take you about thirty-three 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 13379724 cubic inches would be around 19.8 feet tall.

Recreational maths with 13379724

• 13379724 backwards is 42797331
• 13379724 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13379724's digits is 36
• More coming soon!