13250640

Names of 13250640

• Cardinal: 13250640 can be written as Thirteen million, two hundred fifty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.325064 × 10⁷

Factors of 13250640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 191

Divisors of 13250640

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 31 39 40 48 52 60 62 65 78 80 93 104 120 124 130 137 155 156 186 195 208 240 248 260 274 310 312 372 390 403 411 465 496 520 548 620 624 685 744 780 806 822 930 1040 1096 1209 1240 1370 1488 1560 1612 1644 1781 1860 2015 2055 2192 2418 2480 2740 3120 3224 3288 3562 3720 4030 4110 4247 4836 5343 5480 6045 6448 6576 7124 7440 8060 8220 8494 8905 9672 10686 10960 12090 12741 14248 16120 16440 16988 17810 19344 21235 21372 24180 25482 26715 28496 32240 32880 33976 35620 42470 42744 48360 50964 53430 55211 63705 67952 71240 84940 85488 96720 101928 106860 110422 127410 142480 165633 169880 203856 213720 220844 254820 276055 331266 339760 427440 441688 509640 552110 662532 828165 883376 1019280 1104220 1325064 1656330 2208440 2650128 3312660 4416880 6625320 13250640
• Sum of all divisors σ(n): 45997056
• Sum of proper divisors (its aliquot sum) s(n): 32746416
• 13250640 is an abundant number, because the sum of its proper divisors (32746416) is greater than itself. Its abundance is 19495776

Bases of 13250640

• Binary: 110010100011000001010000₂
• Hexadecimal: 0xCA3050
• Base-36: 7W09C

Squares and roots of 13250640

• 13250640 squared (13250640²) is 175579460409600
• 13250640 cubed (13250640³) is 2326540221281862144000
• The square root of 13250640 is 3640.1428543397
• The cube root of 13250640 is 236.6349844075

Scales and comparisons

• 13,250,640 seconds is equal to 21 weeks, 6 days, 8 hours, 44 minutes.
• To count from 1 to 13,250,640 would take you about thirty-two 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 13250640 cubic inches would be around 19.7 feet tall.

Recreational maths with 13250640

• 13250640 backwards is 04605231
• The number of decimal digits it has is: 8
• The sum of 13250640's digits is 21
• More coming soon!