159990640
159,990,640 is an even composite number composed of five prime numbers multiplied together.
159990640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 159990640:
24 × 5 × 19 × 67 × 1571
(2 × 2 × 2 × 2 × 5 × 19 × 67 × 1571)See below for interesting mathematical facts about the number 159990640 from the Numbermatics database.
Names of 159990640
- Cardinal: 159990640 can be written as One hundred fifty-nine million, nine hundred ninety thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.5999064 × 108
Factors of 159990640
Divisors of 159990640
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 38 40 67 76 80 95 134 152 190 268 304 335 380 536 670 760 1072 1273 1340 1520 1571 2546 2680 3142 5092 5360 6284 6365 7855 10184 12568 12730 15710 20368 25136 25460 29849 31420 50920 59698 62840 101840 105257 119396 125680 149245 210514 238792 298490 421028 477584 526285 596980 842056 1052570 1193960 1684112 1999883 2105140 2387920 3999766 4210280 7999532 8420560 9999415 15999064 19998830 31998128 39997660 79995320 159990640
- Sum of all divisors σ(n): 397653120
- Sum of proper divisors (its aliquot sum) s(n): 237662480
- 159990640 is an abundant number, because the sum of its proper divisors (237662480) is greater than itself. Its abundance is 77671840
Bases of 159990640
- Binary: 10011000100101000011011100002
- Hexadecimal: 0x9894370
- Base-36: 2N95KG
Squares and roots of 159990640
- 159990640 squared (1599906402) is 25597004887609600
- 159990640 cubed (1599906403) is 4095281194051787974144000
-
The
square root of 159990640 is 12648.7406487759 -
The
cube root of 159990640 is 542.8729368839
Scales and comparisons
How big is 159990640?- 159,990,640 seconds is equal to 5 years, 4 weeks, 3 days, 17 hours, 50 minutes, 40 seconds.
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To count from 1 to 159,990,640 would take you about seven 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 159990640 cubic inches would be around 45.2 feet tall.
Recreational maths with 159990640
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