162129920
162,129,920 is an even composite number composed of four prime numbers multiplied together.
162129920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 162129920:
211 × 5 × 71 × 223
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 71 × 223)See below for interesting mathematical facts about the number 162129920 from the Numbermatics database.
Names of 162129920
- Cardinal: 162129920 can be written as One hundred sixty-two million, one hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.6212992 × 108
Factors of 162129920
Divisors of 162129920
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 71 80 128 142 160 223 256 284 320 355 446 512 568 640 710 892 1024 1115 1136 1280 1420 1784 2048 2230 2272 2560 2840 3568 4460 4544 5120 5680 7136 8920 9088 10240 11360 14272 15833 17840 18176 22720 28544 31666 35680 36352 45440 57088 63332 71360 72704 79165 90880 114176 126664 142720 145408 158330 181760 228352 253328 285440 316660 363520 456704 506656 570880 633320 727040 1013312 1141760 1266640 2026624 2283520 2533280 4053248 5066560 8106496 10133120 16212992 20266240 32425984 40532480 81064960 162129920
- Sum of all divisors σ(n): 396264960
- Sum of proper divisors (its aliquot sum) s(n): 234135040
- 162129920 is an abundant number, because the sum of its proper divisors (234135040) is greater than itself. Its abundance is 72005120
Bases of 162129920
- Binary: 10011010100111101000000000002
- Hexadecimal: 0x9A9E800
- Base-36: 2OJ08W
Squares and roots of 162129920
- 162129920 squared (1621299202) is 26286110959206400
- 162129920 cubed (1621299203) is 4261765066927256895488000
-
The
square root of 162129920 is 12733.0247781115 -
The
cube root of 162129920 is 545.2818674951
Scales and comparisons
How big is 162129920?- 162,129,920 seconds is equal to 5 years, 8 weeks, 12 hours, 5 minutes, 20 seconds.
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To count from 1 to 162,129,920 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 162129920 cubic inches would be around 45.4 feet tall.
Recreational maths with 162129920
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