145920
145,920 is an even composite number composed of four prime numbers multiplied together.
145920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 145920:
29 × 3 × 5 × 19
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 19)See below for interesting mathematical facts about the number 145920 from the Numbermatics database.
Names of 145920
- Cardinal: 145920 can be written as One hundred forty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.4592 × 105
Factors of 145920
Divisors of 145920
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 64 76 80 95 96 114 120 128 152 160 190 192 228 240 256 285 304 320 380 384 456 480 512 570 608 640 760 768 912 960 1140 1216 1280 1520 1536 1824 1920 2280 2432 2560 3040 3648 3840 4560 4864 6080 7296 7680 9120 9728 12160 14592 18240 24320 29184 36480 48640 72960 145920
- Sum of all divisors σ(n): 491040
- Sum of proper divisors (its aliquot sum) s(n): 345120
- 145920 is an abundant number, because the sum of its proper divisors (345120) is greater than itself. Its abundance is 199200
Bases of 145920
- Binary: 1000111010000000002
- Hexadecimal: 0x23A00
- Base-36: 34LC
Squares and roots of 145920
- 145920 squared (1459202) is 21292646400
- 145920 cubed (1459203) is 3107022962688000
-
The
square root of 145920 is 381.9947643621 -
The
cube root of 145920 is 52.6467549219
Scales and comparisons
How big is 145920?- 145,920 seconds is equal to 1 day, 16 hours, 32 minutes.
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To count from 1 to 145,920 would take you about sixteen hours.
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 145920 cubic inches would be around 4.4 feet tall.
Recreational maths with 145920
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The information we have on file for 145920 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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