71289120
71,289,120 is an even composite number composed of five prime numbers multiplied together.
71289120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 71289120:
25 × 3 × 5 × 73 × 433
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 7 × 433)See below for interesting mathematical facts about the number 71289120 from the Numbermatics database.
Names of 71289120
- Cardinal: 71289120 can be written as Seventy-one million, two hundred eighty-nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 7.128912 × 107
Factors of 71289120
Divisors of 71289120
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 70 80 84 96 98 105 112 120 140 147 160 168 196 210 224 240 245 280 294 336 343 392 420 433 480 490 560 588 672 686 735 784 840 866 980 1029 1120 1176 1299 1372 1470 1568 1680 1715 1732 1960 2058 2165 2352 2598 2744 2940 3031 3360 3430 3464 3920 4116 4330 4704 5145 5196 5488 5880 6062 6495 6860 6928 7840 8232 8660 9093 10290 10392 10976 11760 12124 12990 13720 13856 15155 16464 17320 18186 20580 20784 21217 23520 24248 25980 27440 30310 32928 34640 36372 41160 41568 42434 45465 48496 51960 54880 60620 63651 69280 72744 82320 84868 90930 96992 103920 106085 121240 127302 145488 148519 164640 169736 181860 207840 212170 242480 254604 290976 297038 318255 339472 363720 424340 445557 484960 509208 594076 636510 678944 727440 742595 848680 891114 1018416 1188152 1273020 1454880 1485190 1697360 1782228 2036832 2227785 2376304 2546040 2970380 3394720 3564456 4455570 4752608 5092080 5940760 7128912 8911140 10184160 11881520 14257824 17822280 23763040 35644560 71289120
- Sum of all divisors σ(n): 262483200
- Sum of proper divisors (its aliquot sum) s(n): 191194080
- 71289120 is an abundant number, because the sum of its proper divisors (191194080) is greater than itself. Its abundance is 119904960
Bases of 71289120
- Binary: 1000011111111001001001000002
- Hexadecimal: 0x43FC920
- Base-36: 16FZ1C
Squares and roots of 71289120
- 71289120 squared (712891202) is 5082138630374400
- 71289120 cubed (712891203) is 362301190677396246528000
-
The
square root of 71289120 is 8443.2884588885 -
The
cube root of 71289120 is 414.6430762845
Scales and comparisons
How big is 71289120?- 71,289,120 seconds is equal to 2 years, 13 weeks, 6 days, 2 hours, 32 minutes.
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To count from 1 to 71,289,120 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 71289120 cubic inches would be around 34.6 feet tall.
Recreational maths with 71289120
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