13393440

Names of 13393440

• Cardinal: 13393440 can be written as Thirteen million, three hundred ninety-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.339344 × 10⁷

Factors of 13393440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 212

Divisors of 13393440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 71 72 80 90 96 120 131 142 144 160 180 213 240 262 284 288 355 360 393 426 480 524 568 639 655 710 720 786 852 1048 1065 1136 1179 1278 1310 1420 1440 1572 1704 1965 2096 2130 2272 2358 2556 2620 2840 3144 3195 3408 3930 4192 4260 4716 5112 5240 5680 5895 6288 6390 6816 7860 8520 9301 9432 10224 10480 11360 11790 12576 12780 15720 17040 18602 18864 20448 20960 23580 25560 27903 31440 34080 37204 37728 46505 47160 51120 55806 62880 74408 83709 93010 94320 102240 111612 139515 148816 167418 186020 188640 223224 279030 297632 334836 372040 418545 446448 558060 669672 744080 837090 892896 1116120 1339344 1488160 1674180 2232240 2678688 3348360 4464480 6696720 13393440
• Sum of all divisors σ(n): 46702656
• Sum of proper divisors (its aliquot sum) s(n): 33309216
• 13393440 is an abundant number, because the sum of its proper divisors (33309216) is greater than itself. Its abundance is 19915776

Bases of 13393440

• Binary: 110011000101111000100000₂
• Hexadecimal: 0xCC5E20
• Base-36: 7Z2G0

Squares and roots of 13393440

• 13393440 squared (13393440²) is 179384235033600
• 13393440 cubed (13393440³) is 2402571988868419584000
• The square root of 13393440 is 3659.7049061365
• The cube root of 13393440 is 237.4820078707

Scales and comparisons

• 13,393,440 seconds is equal to 22 weeks, 1 day, 24 minutes.
• To count from 1 to 13,393,440 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 13393440 cubic inches would be around 19.8 feet tall.

Recreational maths with 13393440

• 13393440 backwards is 04439331
• The number of decimal digits it has is: 8
• The sum of 13393440's digits is 27
• More coming soon!