68709120
68,709,120 is an even composite number composed of five prime numbers multiplied together.
68709120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 68709120:
28 × 3 × 5 × 29 × 617
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 29 × 617)See below for interesting mathematical facts about the number 68709120 from the Numbermatics database.
Names of 68709120
- Cardinal: 68709120 can be written as Sixty-eight million, seven hundred nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 6.870912 × 107
Factors of 68709120
Divisors of 68709120
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 64 80 87 96 116 120 128 145 160 174 192 232 240 256 290 320 348 384 435 464 480 580 617 640 696 768 870 928 960 1160 1234 1280 1392 1740 1851 1856 1920 2320 2468 2784 3085 3480 3702 3712 3840 4640 4936 5568 6170 6960 7404 7424 9255 9280 9872 11136 12340 13920 14808 17893 18510 18560 19744 22272 24680 27840 29616 35786 37020 37120 39488 49360 53679 55680 59232 71572 74040 78976 89465 98720 107358 111360 118464 143144 148080 157952 178930 197440 214716 236928 268395 286288 296160 357860 394880 429432 473856 536790 572576 592320 715720 789760 858864 1073580 1145152 1184640 1431440 1717728 2147160 2290304 2369280 2862880 3435456 4294320 4580608 5725760 6870912 8588640 11451520 13741824 17177280 22903040 34354560 68709120
- Sum of all divisors σ(n): 227374560
- Sum of proper divisors (its aliquot sum) s(n): 158665440
- 68709120 is an abundant number, because the sum of its proper divisors (158665440) is greater than itself. Its abundance is 89956320
Bases of 68709120
- Binary: 1000001100001101011000000002
- Hexadecimal: 0x4186B00
- Base-36: 14WOAO
Squares and roots of 68709120
- 68709120 squared (687091202) is 4720943171174400
- 68709120 cubed (687091203) is 324371850861402390528000
-
The
square root of 68709120 is 8289.0964525695 -
The
cube root of 68709120 is 409.5794219805
Scales and comparisons
How big is 68709120?- 68,709,120 seconds is equal to 2 years, 9 weeks, 4 days, 5 hours, 52 minutes.
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To count from 1 to 68,709,120 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 68709120 cubic inches would be around 34.1 feet tall.
Recreational maths with 68709120
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