145128704
145,128,704 is an even composite number composed of four prime numbers multiplied together.
145128704 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 145128704:
28 × 7 × 109 × 743
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 109 × 743)See below for interesting mathematical facts about the number 145128704 from the Numbermatics database.
Names of 145128704
- Cardinal: 145128704 can be written as One hundred forty-five million, one hundred twenty-eight thousand, seven hundred four.
Scientific notation
- Scientific notation: 1.45128704 × 108
Factors of 145128704
Divisors of 145128704
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 7 8 14 16 28 32 56 64 109 112 128 218 224 256 436 448 743 763 872 896 1486 1526 1744 1792 2972 3052 3488 5201 5944 6104 6976 10402 11888 12208 13952 20804 23776 24416 27904 41608 47552 48832 80987 83216 95104 97664 161974 166432 190208 195328 323948 332864 566909 647896 665728 1133818 1295792 1331456 2267636 2591584 4535272 5183168 9070544 10366336 18141088 20732672 36282176 72564352 145128704
- Sum of all divisors σ(n): 334561920
- Sum of proper divisors (its aliquot sum) s(n): 189433216
- 145128704 is an abundant number, because the sum of its proper divisors (189433216) is greater than itself. Its abundance is 44304512
Bases of 145128704
- Binary: 10001010011001111101000000002
- Hexadecimal: 0x8A67D00
- Base-36: 2EEM0W
Squares and roots of 145128704
- 145128704 squared (1451287042) is 21062340724719616
- 145128704 cubed (1451287043) is 3056750212584978633457664
-
The
square root of 145128704 is 12046.9375361541 -
The
cube root of 145128704 is 525.5141798507
Scales and comparisons
How big is 145128704?- 145,128,704 seconds is equal to 4 years, 31 weeks, 6 days, 17 hours, 31 minutes, 44 seconds.
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To count from 1 to 145,128,704 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 145128704 cubic inches would be around 43.8 feet tall.
Recreational maths with 145128704
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