145162240
145,162,240 is an even composite number composed of three prime numbers multiplied together.
145162240 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty-eight divisors.
Prime factorization of 145162240:
216 × 5 × 443
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 443)See below for interesting mathematical facts about the number 145162240 from the Numbermatics database.
Names of 145162240
- Cardinal: 145162240 can be written as One hundred forty-five million, one hundred sixty-two thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.4516224 × 108
Factors of 145162240
Divisors of 145162240
- Number of divisors d(n): 68
-
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 443 512 640 886 1024 1280 1772 2048 2215 2560 3544 4096 4430 5120 7088 8192 8860 10240 14176 16384 17720 20480 28352 32768 35440 40960 56704 65536 70880 81920 113408 141760 163840 226816 283520 327680 453632 567040 907264 1134080 1814528 2268160 3629056 4536320 7258112 9072640 14516224 18145280 29032448 36290560 72581120 145162240
- Sum of all divisors σ(n): 349173144
- Sum of proper divisors (its aliquot sum) s(n): 204010904
- 145162240 is an abundant number, because the sum of its proper divisors (204010904) is greater than itself. Its abundance is 58848664
Bases of 145162240
- Binary: 10001010011100000000000000002
- Hexadecimal: 0x8A70000
- Base-36: 2EFBWG
Squares and roots of 145162240
- 145162240 squared (1451622402) is 21072075921817600
- 145162240 cubed (1451622403) is 3058869742261107687424000
-
The
square root of 145162240 is 12048.3293447681 -
The
cube root of 145162240 is 525.5546549273
Scales and comparisons
How big is 145162240?- 145,162,240 seconds is equal to 4 years, 32 weeks, 2 hours, 50 minutes, 40 seconds.
-
To count from 1 to 145,162,240 would take you about six 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 145162240 cubic inches would be around 43.8 feet tall.
Recreational maths with 145162240
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