72148986
72,148,986 is an even composite number composed of six prime numbers multiplied together.
72148986 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 72148986:
2 × 32 × 7 × 13 × 17 × 2591
(2 × 3 × 3 × 7 × 13 × 17 × 2591)See below for interesting mathematical facts about the number 72148986 from the Numbermatics database.
Names of 72148986
- Cardinal: 72148986 can be written as Seventy-two million, one hundred forty-eight thousand, nine hundred eighty-six.
Scientific notation
- Scientific notation: 7.2148986 × 107
Factors of 72148986
Divisors of 72148986
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 6 7 9 13 14 17 18 21 26 34 39 42 51 63 78 91 102 117 119 126 153 182 221 234 238 273 306 357 442 546 663 714 819 1071 1326 1547 1638 1989 2142 2591 3094 3978 4641 5182 7773 9282 13923 15546 18137 23319 27846 33683 36274 44047 46638 54411 67366 88094 101049 108822 132141 163233 202098 235781 264282 303147 308329 326466 396423 471562 572611 606294 616658 707343 792846 924987 1145222 1414686 1717833 1849974 2122029 2774961 3435666 4008277 4244058 5153499 5549922 8016554 10306998 12024831 24049662 36074493 72148986
- Sum of all divisors σ(n): 203793408
- Sum of proper divisors (its aliquot sum) s(n): 131644422
- 72148986 is an abundant number, because the sum of its proper divisors (131644422) is greater than itself. Its abundance is 59495436
Bases of 72148986
- Binary: 1000100110011100111111110102
- Hexadecimal: 0x44CE7FA
- Base-36: 16YEII
Squares and roots of 72148986
- 72148986 squared (721489862) is 5205476180828196
- 72148986 cubed (721489863) is 375569828093906981609256
-
The
square root of 72148986 is 8494.0559216431 -
The
cube root of 72148986 is 416.3035144789
Scales and comparisons
How big is 72148986?- 72,148,986 seconds is equal to 2 years, 15 weeks, 2 days, 1 hour, 23 minutes, 6 seconds.
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To count from 1 to 72,148,986 would take you about three 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 72148986 cubic inches would be around 34.7 feet tall.
Recreational maths with 72148986
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