71438290
71,438,290 is an even composite number composed of six prime numbers multiplied together.
71438290 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 71438290:
2 × 5 × 7 × 11 × 192 × 257
(2 × 5 × 7 × 11 × 19 × 19 × 257)See below for interesting mathematical facts about the number 71438290 from the Numbermatics database.
Names of 71438290
- Cardinal: 71438290 can be written as Seventy-one million, four hundred thirty-eight thousand, two hundred ninety.
Scientific notation
- Scientific notation: 7.143829 × 107
Factors of 71438290
Divisors of 71438290
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 5 7 10 11 14 19 22 35 38 55 70 77 95 110 133 154 190 209 257 266 361 385 418 514 665 722 770 1045 1285 1330 1463 1799 1805 2090 2527 2570 2827 2926 3598 3610 3971 4883 5054 5654 7315 7942 8995 9766 12635 14135 14630 17990 19789 19855 24415 25270 27797 28270 34181 39578 39710 48830 53713 55594 68362 92777 98945 107426 138985 170905 185554 197890 268565 277970 341810 375991 463885 537130 649439 751982 927770 1020547 1298878 1879955 2041094 3247195 3759910 5102735 6494390 7143829 10205470 14287658 35719145 71438290
- Sum of all divisors σ(n): 169858944
- Sum of proper divisors (its aliquot sum) s(n): 98420654
- 71438290 is an abundant number, because the sum of its proper divisors (98420654) is greater than itself. Its abundance is 26982364
Bases of 71438290
- Binary: 1000100001000001111110100102
- Hexadecimal: 0x4420FD2
- Base-36: 16J64Y
Squares and roots of 71438290
- 71438290 squared (714382902) is 5103429278124100
- 71438290 cubed (714382903) is 364580260765120111789000
-
The
square root of 71438290 is 8452.1174861687 -
The
cube root of 71438290 is 414.9320835295
Scales and comparisons
How big is 71438290?- 71,438,290 seconds is equal to 2 years, 14 weeks, 19 hours, 58 minutes, 10 seconds.
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To count from 1 to 71,438,290 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 71438290 cubic inches would be around 34.6 feet tall.
Recreational maths with 71438290
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The information we have on file for 71438290 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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