168018140
168,018,140 is an even composite number composed of six prime numbers multiplied together.
168018140 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 168018140:
22 × 5 × 17 × 19 × 31 × 839
(2 × 2 × 5 × 17 × 19 × 31 × 839)See below for interesting mathematical facts about the number 168018140 from the Numbermatics database.
Names of 168018140
- Cardinal: 168018140 can be written as One hundred sixty-eight million, eighteen thousand, one hundred forty.
Scientific notation
- Scientific notation: 1.6801814 × 108
Factors of 168018140
Divisors of 168018140
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 10 17 19 20 31 34 38 62 68 76 85 95 124 155 170 190 310 323 340 380 527 589 620 646 839 1054 1178 1292 1615 1678 2108 2356 2635 2945 3230 3356 4195 5270 5890 6460 8390 10013 10540 11780 14263 15941 16780 20026 26009 28526 31882 40052 50065 52018 57052 63764 71315 79705 100130 104036 130045 142630 159410 200260 260090 270997 285260 318820 442153 494171 520180 541994 884306 988342 1083988 1354985 1768612 1976684 2210765 2470855 2709970 4421530 4941710 5419940 8400907 8843060 9883420 16801814 33603628 42004535 84009070 168018140
- Sum of all divisors σ(n): 406425600
- Sum of proper divisors (its aliquot sum) s(n): 238407460
- 168018140 is an abundant number, because the sum of its proper divisors (238407460) is greater than itself. Its abundance is 70389320
Bases of 168018140
- Binary: 10100000001111000000110111002
- Hexadecimal: 0xA03C0DC
- Base-36: 2S17MK
Squares and roots of 168018140
- 168018140 squared (1680181402) is 28230095369059600
- 168018140 cubed (1680181403) is 4743168115932007541144000
-
The
square root of 168018140 is 12962.1811436193 -
The
cube root of 168018140 is 551.8046944363
Scales and comparisons
How big is 168018140?- 168,018,140 seconds is equal to 5 years, 17 weeks, 5 days, 15 hours, 42 minutes, 20 seconds.
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To count from 1 to 168,018,140 would take you about eight 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 168018140 cubic inches would be around 46 feet tall.
Recreational maths with 168018140
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