51120720
51,120,720 is an even composite number composed of five prime numbers multiplied together.
51120720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 51120720:
24 × 34 × 5 × 73 × 23
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 23)See below for interesting mathematical facts about the number 51120720 from the Numbermatics database.
Names of 51120720
- Cardinal: 51120720 can be written as Fifty-one million, one hundred twenty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 5.112072 × 107
Factors of 51120720
Divisors of 51120720
- Number of divisors d(n): 400
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 27 28 30 35 36 40 42 45 46 48 49 54 56 60 63 69 70 72 80 81 84 90 92 98 105 108 112 115 120 126 135 138 140 144 147 161 162 168 180 184 189 196 207 210 216 230 240 245 252 270 276 280 294 315 322 324 336 343 345 360 368 378 392 405 414 420 432 441 460 483 490 504 540 552 560 567 588 621 630 644 648 686 690 720 735 756 784 805 810 828 840 882 920 945 966 980 1008 1029 1035 1080 1104 1127 1134 1176 1242 1260 1288 1296 1323 1372 1380 1449 1470 1512 1610 1620 1656 1680 1715 1764 1840 1863 1890 1932 1960 2058 2070 2160 2205 2254 2268 2352 2415 2484 2520 2576 2646 2744 2760 2835 2898 2940 3024 3087 3105 3220 3240 3312 3381 3430 3528 3726 3780 3864 3920 3969 4116 4140 4347 4410 4508 4536 4830 4968 5040 5145 5292 5488 5520 5635 5670 5796 5880 6174 6210 6440 6480 6615 6762 6860 7056 7245 7452 7560 7728 7889 7938 8232 8280 8694 8820 9016 9072 9261 9315 9660 9936 10143 10290 10584 11270 11340 11592 11760 12348 12420 12880 13041 13230 13524 13720 14490 14904 15120 15435 15778 15876 16464 16560 16905 17388 17640 18032 18522 18630 19320 19845 20286 20580 21168 21735 22540 22680 23184 23667 24696 24840 26082 26460 27048 27440 27783 28980 29808 30429 30870 31556 31752 33810 34776 35280 37044 37260 38640 39445 39690 40572 41160 43470 45080 45360 46305 47334 49392 49680 50715 52164 52920 54096 55566 57960 60858 61740 63112 63504 65205 67620 69552 71001 74088 74520 78890 79380 81144 82320 86940 90160 91287 92610 94668 101430 104328 105840 111132 115920 118335 121716 123480 126224 130410 135240 138915 142002 148176 149040 152145 157780 158760 162288 173880 182574 185220 189336 202860 208656 213003 222264 236670 243432 246960 260820 270480 277830 284004 304290 315560 317520 347760 355005 365148 370440 378672 405720 426006 444528 456435 473340 486864 521640 555660 568008 608580 631120 639009 710010 730296 740880 811440 852012 912870 946680 1043280 1065015 1111320 1136016 1217160 1278018 1420020 1460592 1704024 1825740 1893360 2130030 2222640 2434320 2556036 2840040 3195045 3408048 3651480 4260060 5112072 5680080 6390090 7302960 8520120 10224144 12780180 17040240 25560360 51120720
- Sum of all divisors σ(n): 216057600
- Sum of proper divisors (its aliquot sum) s(n): 164936880
- 51120720 is an abundant number, because the sum of its proper divisors (164936880) is greater than itself. Its abundance is 113816160
Bases of 51120720
- Binary: 110000110000001010010100002
- Hexadecimal: 0x30C0A50
- Base-36: UFP00
Squares and roots of 51120720
- 51120720 squared (511207202) is 2613328013318400
- 51120720 cubed (511207203) is 133595209637006197248000
-
The
square root of 51120720 is 7149.8755233919 -
The
cube root of 51120720 is 371.1353487409
Scales and comparisons
How big is 51120720?- 51,120,720 seconds is equal to 1 year, 32 weeks, 3 days, 16 hours, 12 minutes.
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To count from 1 to 51,120,720 would take you about two 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 51120720 cubic inches would be around 30.9 feet tall.
Recreational maths with 51120720
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