71449290
71,449,290 is an even composite number composed of four prime numbers multiplied together.
71449290 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred thirty-two divisors.
Prime factorization of 71449290:
2 × 310 × 5 × 112
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 11 × 11)See below for interesting mathematical facts about the number 71449290 from the Numbermatics database.
Names of 71449290
- Cardinal: 71449290 can be written as Seventy-one million, four hundred forty-nine thousand, two hundred ninety.
Scientific notation
- Scientific notation: 7.144929 × 107
Factors of 71449290
Divisors of 71449290
- Number of divisors d(n): 132
-
Complete list of divisors:
1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 121 135 162 165 198 242 243 270 297 330 363 405 486 495 594 605 726 729 810 891 990 1089 1210 1215 1458 1485 1782 1815 2178 2187 2430 2673 2970 3267 3630 3645 4374 4455 5346 5445 6534 6561 7290 8019 8910 9801 10890 10935 13122 13365 16038 16335 19602 19683 21870 24057 26730 29403 32670 32805 39366 40095 48114 49005 58806 59049 65610 72171 80190 88209 98010 98415 118098 120285 144342 147015 176418 196830 216513 240570 264627 294030 295245 360855 433026 441045 529254 590490 649539 721710 793881 882090 1082565 1299078 1323135 1587762 2165130 2381643 2646270 3247695 3969405 4763286 6495390 7144929 7938810 11908215 14289858 23816430 35724645 71449290
- Sum of all divisors σ(n): 212043762
- Sum of proper divisors (its aliquot sum) s(n): 140594472
- 71449290 is an abundant number, because the sum of its proper divisors (140594472) is greater than itself. Its abundance is 69145182
Bases of 71449290
- Binary: 1000100001000111010110010102
- Hexadecimal: 0x4423ACA
- Base-36: 16JEMI
Squares and roots of 71449290
- 71449290 squared (714492902) is 5105001041504100
- 71449290 cubed (714492903) is 364748699864728477089000
-
The
square root of 71449290 is 8452.7681856299 -
The
cube root of 71449290 is 414.9533793857
Scales and comparisons
How big is 71449290?- 71,449,290 seconds is equal to 2 years, 14 weeks, 23 hours, 1 minute, 30 seconds.
-
To count from 1 to 71,449,290 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 71449290 cubic inches would be around 34.6 feet tall.
Recreational maths with 71449290
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