68138000
68,138,000 is an even composite number composed of five prime numbers multiplied together.
68138000 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 68138000:
24 × 53 × 7 × 31 × 157
(2 × 2 × 2 × 2 × 5 × 5 × 5 × 7 × 31 × 157)See below for interesting mathematical facts about the number 68138000 from the Numbermatics database.
Names of 68138000
- Cardinal: 68138000 can be written as Sixty-eight million, one hundred thirty-eight thousand.
Scientific notation
- Scientific notation: 6.8138 × 107
Factors of 68138000
Divisors of 68138000
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 31 35 40 50 56 62 70 80 100 112 124 125 140 155 157 175 200 217 248 250 280 310 314 350 400 434 496 500 560 620 628 700 775 785 868 875 1000 1085 1099 1240 1256 1400 1550 1570 1736 1750 2000 2170 2198 2480 2512 2800 3100 3140 3472 3500 3875 3925 4340 4396 4867 5425 5495 6200 6280 7000 7750 7850 8680 8792 9734 10850 10990 12400 12560 14000 15500 15700 17360 17584 19468 19625 21700 21980 24335 27125 27475 31000 31400 34069 38936 39250 43400 43960 48670 54250 54950 62000 62800 68138 77872 78500 86800 87920 97340 108500 109900 121675 136276 137375 157000 170345 194680 217000 219800 243350 272552 274750 314000 340690 389360 434000 439600 486700 545104 549500 608375 681380 851725 973400 1099000 1216750 1362760 1703450 1946800 2198000 2433500 2725520 3406900 4258625 4867000 6813800 8517250 9734000 13627600 17034500 34069000 68138000
- Sum of all divisors σ(n): 195606528
- Sum of proper divisors (its aliquot sum) s(n): 127468528
- 68138000 is an abundant number, because the sum of its proper divisors (127468528) is greater than itself. Its abundance is 59330528
Bases of 68138000
- Binary: 1000000111110110100000100002
- Hexadecimal: 0x40FB410
- Base-36: 14KFM8
Squares and roots of 68138000
- 68138000 squared (681380002) is 4642787044000000
- 68138000 cubed (681380003) is 316350223604072000000000
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The
square root of 68138000 is 8254.5744893363 -
The
cube root of 68138000 is 408.4414355833
Scales and comparisons
How big is 68138000?- 68,138,000 seconds is equal to 2 years, 8 weeks, 4 days, 15 hours, 13 minutes, 20 seconds.
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To count from 1 to 68,138,000 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 68138000 cubic inches would be around 34 feet tall.
Recreational maths with 68138000
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