72138000
72,138,000 is an even composite number composed of five prime numbers multiplied together.
72138000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 72138000:
24 × 3 × 53 × 11 × 1093
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 11 × 1093)See below for interesting mathematical facts about the number 72138000 from the Numbermatics database.
Names of 72138000
- Cardinal: 72138000 can be written as Seventy-two million, one hundred thirty-eight thousand.
Scientific notation
- Scientific notation: 7.2138 × 107
Factors of 72138000
Divisors of 72138000
- Number of divisors d(n): 160
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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 1093 1100 1200 1320 1375 1500 1650 2000 2186 2200 2640 2750 3000 3279 3300 4125 4372 4400 5465 5500 6000 6558 6600 8250 8744 10930 11000 12023 13116 13200 16395 16500 17488 21860 22000 24046 26232 27325 32790 33000 36069 43720 48092 52464 54650 60115 65580 66000 72138 81975 87440 96184 109300 120230 131160 136625 144276 163950 180345 192368 218600 240460 262320 273250 288552 300575 327900 360690 409875 437200 480920 546500 577104 601150 655800 721380 819750 901725 961840 1093000 1202300 1311600 1442760 1502875 1639500 1803450 2186000 2404600 2885520 3005750 3279000 3606900 4508625 4809200 6011500 6558000 7213800 9017250 12023000 14427600 18034500 24046000 36069000 72138000
- Sum of all divisors σ(n): 253948032
- Sum of proper divisors (its aliquot sum) s(n): 181810032
- 72138000 is an abundant number, because the sum of its proper divisors (181810032) is greater than itself. Its abundance is 109672032
Bases of 72138000
- Binary: 1000100110010111101000100002
- Hexadecimal: 0x44CBD10
- Base-36: 16Y61C
Squares and roots of 72138000
- 72138000 squared (721380002) is 5203891044000000
- 72138000 cubed (721380003) is 375398292132072000000000
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The
square root of 72138000 is 8493.4092094989 -
The
cube root of 72138000 is 416.2823834701
Scales and comparisons
How big is 72138000?- 72,138,000 seconds is equal to 2 years, 15 weeks, 1 day, 22 hours, 20 minutes.
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To count from 1 to 72,138,000 would take you about three 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 72138000 cubic inches would be around 34.7 feet tall.
Recreational maths with 72138000
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