71398472940
71,398,472,940 is an even composite number composed of six prime numbers multiplied together.
71398472940 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 71398472940:
22 × 32 × 5 × 277 × 397 × 3607
(2 × 2 × 3 × 3 × 5 × 277 × 397 × 3607)See below for interesting mathematical facts about the number 71398472940 from the Numbermatics database.
Names of 71398472940
- Cardinal: 71398472940 can be written as Seventy-one billion, three hundred ninety-eight million, four hundred seventy-two thousand, nine hundred forty.
Scientific notation
- Scientific notation: 7.139847294 × 1010
Factors of 71398472940
Divisors of 71398472940
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 277 397 554 794 831 1108 1191 1385 1588 1662 1985 2382 2493 2770 3324 3573 3607 3970 4155 4764 4986 5540 5955 7146 7214 7940 8310 9972 10821 11910 12465 14292 14428 16620 17865 18035 21642 23820 24930 32463 35730 36070 43284 49860 54105 64926 71460 72140 108210 109969 129852 162315 216420 219938 324630 329907 439876 549845 649260 659814 989721 999139 1099690 1319628 1431979 1649535 1979442 1998278 2199380 2863958 2997417 3299070 3958884 3996556 4295937 4948605 4995695 5727916 5994834 6598140 7159895 8591874 8992251 9897210 9991390 11989668 12887811 14319790 14987085 17183748 17984502 19794420 19982780 21479685 25775622 28639580 29974170 35969004 42959370 44961255 51551244 59948340 64439055 85918740 89922510 128878110 179845020 257756220 396658183 793316366 1189974549 1586632732 1983290915 2379949098 3569923647 3966581830 4759898196 5949872745 7139847294 7933163660 11899745490 14279694588 17849618235 23799490980 35699236470 71398472940
- Sum of all divisors σ(n): 217965139392
- Sum of proper divisors (its aliquot sum) s(n): 146566666452
- 71398472940 is an abundant number, because the sum of its proper divisors (146566666452) is greater than itself. Its abundance is 75168193512
Bases of 71398472940
- Binary: 10000100111111010111000111100111011002
- Hexadecimal: 0x109FAE3CEC
- Base-36: WSST2B0
Squares and roots of 71398472940
- 71398472940 squared (713984729402) is 5097741938163912243600
- 71398472940 cubed (713984729403) is 363970989827099241609209288184000
-
The
square root of 71398472940 is 267204.9268632597 -
The
cube root of 71398472940 is 4148.5497993841
Scales and comparisons
How big is 71398472940?- 71,398,472,940 seconds is equal to 2,270 years, 13 weeks, 5 hours, 9 minutes.
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To count from 1 to 71,398,472,940 would take you about four thousand, five hundred forty 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 71398472940 cubic inches would be around 345.7 feet tall.
Recreational maths with 71398472940
- 71398472940 backwards is 04927489317
- The number of decimal digits it has is: 11
- The sum of 71398472940's digits is 54
- More coming soon!
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