142445072
142,445,072 is an even composite number composed of five prime numbers multiplied together.
142445072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 142445072:
24 × 7 × 112 × 23 × 457
(2 × 2 × 2 × 2 × 7 × 11 × 11 × 23 × 457)See below for interesting mathematical facts about the number 142445072 from the Numbermatics database.
Names of 142445072
- Cardinal: 142445072 can be written as One hundred forty-two million, four hundred forty-five thousand and seventy-two.
Scientific notation
- Scientific notation: 1.42445072 × 108
Factors of 142445072
Divisors of 142445072
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 7 8 11 14 16 22 23 28 44 46 56 77 88 92 112 121 154 161 176 184 242 253 308 322 368 457 484 506 616 644 847 914 968 1012 1232 1288 1694 1771 1828 1936 2024 2576 2783 3199 3388 3542 3656 4048 5027 5566 6398 6776 7084 7312 10054 10511 11132 12796 13552 14168 19481 20108 21022 22264 25592 28336 35189 38962 40216 42044 44528 51184 55297 70378 73577 77924 80432 84088 110594 115621 140756 147154 155848 168176 221188 231242 281512 294308 311696 387079 442376 462484 563024 588616 774158 809347 884752 924968 1177232 1271831 1548316 1618694 1849936 2543662 3096632 3237388 5087324 6193264 6474776 8902817 10174648 12949552 17805634 20349296 35611268 71222536 142445072
- Sum of all divisors σ(n): 362560128
- Sum of proper divisors (its aliquot sum) s(n): 220115056
- 142445072 is an abundant number, because the sum of its proper divisors (220115056) is greater than itself. Its abundance is 77669984
Bases of 142445072
- Binary: 10000111110110001010000100002
- Hexadecimal: 0x87D8A10
- Base-36: 2CT3BK
Squares and roots of 142445072
- 142445072 squared (1424450722) is 20290598537085184
- 142445072 cubed (1424450723) is 2890295769538193705013248
-
The
square root of 142445072 is 11935.0354838183 -
The
cube root of 142445072 is 522.2548434395
Scales and comparisons
How big is 142445072?- 142,445,072 seconds is equal to 4 years, 27 weeks, 3 days, 16 hours, 4 minutes, 32 seconds.
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To count from 1 to 142,445,072 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 142445072 cubic inches would be around 43.5 feet tall.
Recreational maths with 142445072
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