142897275
142,897,275 is an odd composite number composed of five prime numbers multiplied together.
142897275 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 142897275:
32 × 52 × 23 × 53 × 521
(3 × 3 × 5 × 5 × 23 × 53 × 521)See below for interesting mathematical facts about the number 142897275 from the Numbermatics database.
Names of 142897275
- Cardinal: 142897275 can be written as One hundred forty-two million, eight hundred ninety-seven thousand, two hundred seventy-five.
Scientific notation
- Scientific notation: 1.42897275 × 108
Factors of 142897275
Divisors of 142897275
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 5 9 15 23 25 45 53 69 75 115 159 207 225 265 345 477 521 575 795 1035 1219 1325 1563 1725 2385 2605 3657 3975 4689 5175 6095 7815 10971 11925 11983 13025 18285 23445 27613 30475 35949 39075 54855 59915 82839 91425 107847 117225 138065 179745 248517 274275 299575 414195 539235 635099 690325 898725 1242585 1905297 2070975 2696175 3175495 5715891 6212925 9526485 15877475 28579455 47632425 142897275
- Sum of all divisors σ(n): 272634336
- Sum of proper divisors (its aliquot sum) s(n): 129737061
- 142897275 is a deficient number, because the sum of its proper divisors (129737061) is less than itself. Its deficiency is 13160214
Bases of 142897275
- Binary: 10001000010001110000011110112
- Hexadecimal: 0x884707B
- Base-36: 2D2S8R
Squares and roots of 142897275
- 142897275 squared (1428972752) is 20419631202425625
- 142897275 cubed (1428972753) is 2917909655331595202671875
-
The
square root of 142897275 is 11953.9648234383 -
The
cube root of 142897275 is 522.8069059177
Scales and comparisons
How big is 142897275?- 142,897,275 seconds is equal to 4 years, 28 weeks, 1 day, 21 hours, 41 minutes, 15 seconds.
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To count from 1 to 142,897,275 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 142897275 cubic inches would be around 43.6 feet tall.
Recreational maths with 142897275
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