145481388
145,481,388 is an even composite number composed of six prime numbers multiplied together.
145481388 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 145481388:
22 × 3 × 13 × 31 × 67 × 449
(2 × 2 × 3 × 13 × 31 × 67 × 449)See below for interesting mathematical facts about the number 145481388 from the Numbermatics database.
Names of 145481388
- Cardinal: 145481388 can be written as One hundred forty-five million, four hundred eighty-one thousand, three hundred eighty-eight.
Scientific notation
- Scientific notation: 1.45481388 × 108
Factors of 145481388
Divisors of 145481388
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 12 13 26 31 39 52 62 67 78 93 124 134 156 186 201 268 372 402 403 449 804 806 871 898 1209 1347 1612 1742 1796 2077 2418 2613 2694 3484 4154 4836 5226 5388 5837 6231 8308 10452 11674 12462 13919 17511 23348 24924 27001 27838 30083 35022 41757 54002 55676 60166 70044 81003 83514 90249 108004 120332 162006 167028 180498 180947 324012 360996 361894 391079 542841 723788 782158 932573 1085682 1173237 1564316 1865146 2171364 2346474 2797719 3730292 4692948 5595438 11190876 12123449 24246898 36370347 48493796 72740694 145481388
- Sum of all divisors σ(n): 383846400
- Sum of proper divisors (its aliquot sum) s(n): 238365012
- 145481388 is an abundant number, because the sum of its proper divisors (238365012) is greater than itself. Its abundance is 92883624
Bases of 145481388
- Binary: 10001010101111011110101011002
- Hexadecimal: 0x8ABDEAC
- Base-36: 2EM65O
Squares and roots of 145481388
- 145481388 squared (1454813882) is 21164834254406544
- 145481388 cubed (1454813883) is 3079089464121009137403072
-
The
square root of 145481388 is 12061.5665649201 -
The
cube root of 145481388 is 525.9395276177
Scales and comparisons
How big is 145481388?- 145,481,388 seconds is equal to 4 years, 32 weeks, 3 days, 19 hours, 29 minutes, 48 seconds.
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To count from 1 to 145,481,388 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 145481388 cubic inches would be around 43.8 feet tall.
Recreational maths with 145481388
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The information we have on file for 145481388 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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