864138000

Names of 864138000

• Cardinal: 864138000 can be written as Eight hundred sixty-four million, one hundred thirty-eight thousand.

Scientific notation

• Scientific notation: 8.64138 × 10⁸

Factors of 864138000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13114

Divisors of 864138000

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 33 40 44 48 50 55 60 66 75 80 88 100 110 120 125 132 150 165 176 200 220 240 250 264 275 300 330 375 400 440 500 528 550 600 660 750 825 880 1000 1100 1200 1320 1375 1500 1650 2000 2200 2640 2750 3000 3300 4125 4400 5500 6000 6600 8250 11000 13093 13200 16500 22000 26186 33000 39279 52372 65465 66000 78558 104744 130930 144023 157116 196395 209488 261860 288046 314232 327325 392790 432069 523720 576092 628464 654650 720115 785580 864138 981975 1047440 1152184 1309300 1440230 1571160 1636625 1728276 1963950 2160345 2304368 2618600 2880460 3142320 3273250 3456552 3600575 3927900 4320690 4909875 5237200 5760920 6546500 6913104 7201150 7855800 8641380 9819750 10801725 11521840 13093000 14402300 15711600 17282760 18002875 19639500 21603450 26186000 28804600 34565520 36005750 39279000 43206900 54008625 57609200 72011500 78558000 86413800 108017250 144023000 172827600 216034500 288046000 432069000 864138000
• Sum of all divisors σ(n): 3039484032
• Sum of proper divisors (its aliquot sum) s(n): 2175346032
• 864138000 is an abundant number, because the sum of its proper divisors (2175346032) is greater than itself. Its abundance is 1311208032

Bases of 864138000

• Binary: 110011100000011011001100010000₂
• Hexadecimal: 0x3381B310
• Base-36: EAHH5C

Squares and roots of 864138000

• 864138000 squared (864138000²) is 746734483044000000
• 864138000 cubed (864138000³) is 645281642708676072000000000
• The square root of 864138000 is 29396.2242473417
• The cube root of 864138000 is 952.4913371261

Scales and comparisons

• 864,138,000 seconds is equal to 27 years, 24 weeks, 5 days, 14 hours, 20 minutes.
• To count from 1 to 864,138,000 would take you about forty-one years!

  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 864138000 cubic inches would be around 79.4 feet tall.

Recreational maths with 864138000

• 864138000 backwards is 000831468
• 864138000 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 864138000's digits is 30
• More coming soon!