13015800

Names of 13015800

• Cardinal: 13015800 can be written as Thirteen million, fifteen thousand, eight hundred.

Scientific notation

• Scientific notation: 1.30158 × 10⁷

Factors of 13015800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1050

Divisors of 13015800

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 28 30 35 36 40 42 45 50 56 60 63 70 72 75 84 90 100 105 120 126 140 150 168 175 180 200 210 225 252 280 300 315 350 360 420 450 504 525 600 630 700 840 900 1033 1050 1260 1400 1575 1800 2066 2100 2520 3099 3150 4132 4200 5165 6198 6300 7231 8264 9297 10330 12396 12600 14462 15495 18594 20660 21693 24792 25825 28924 30990 36155 37188 41320 43386 46485 51650 57848 61980 65079 72310 74376 77475 86772 92970 103300 108465 123960 130158 144620 154950 173544 180775 185940 206600 216930 232425 260316 289240 309900 325395 361550 371880 433860 464850 520632 542325 619800 650790 723100 867720 929700 1084650 1301580 1446200 1626975 1859400 2169300 2603160 3253950 4338600 6507900 13015800
• Sum of all divisors σ(n): 50004240
• Sum of proper divisors (its aliquot sum) s(n): 36988440
• 13015800 is an abundant number, because the sum of its proper divisors (36988440) is greater than itself. Its abundance is 23972640

Bases of 13015800

• Binary: 110001101001101011111000₂
• Hexadecimal: 0xC69AF8
• Base-36: 7QZ20

Squares and roots of 13015800

• 13015800 squared (13015800²) is 169411049640000
• 13015800 cubed (13015800³) is 2205020339904312000000
• The square root of 13015800 is 3607.7416758965
• The cube root of 13015800 is 235.2286894059

Scales and comparisons

• 13,015,800 seconds is equal to 21 weeks, 3 days, 15 hours, 30 minutes.
• To count from 1 to 13,015,800 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 13015800 cubic inches would be around 19.6 feet tall.

Recreational maths with 13015800

• 13015800 backwards is 00851031
• 13015800 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13015800's digits is 18
• More coming soon!