68315940
68,315,940 is an even composite number composed of seven prime numbers multiplied together.
68315940 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 68315940:
22 × 33 × 5 × 7 × 11 × 31 × 53
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 11 × 31 × 53)See below for interesting mathematical facts about the number 68315940 from the Numbermatics database.
Names of 68315940
- Cardinal: 68315940 can be written as Sixty-eight million, three hundred fifteen thousand, nine hundred forty.
Scientific notation
- Scientific notation: 6.831594 × 107
Factors of 68315940
Divisors of 68315940
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 11 12 14 15 18 20 21 22 27 28 30 31 33 35 36 42 44 45 53 54 55 60 62 63 66 70 77 84 90 93 99 105 106 108 110 124 126 132 135 140 154 155 159 165 180 186 189 198 210 212 217 220 231 252 265 270 279 297 308 310 315 318 330 341 371 372 378 385 396 420 434 462 465 477 495 530 540 558 583 594 620 630 636 651 660 682 693 742 756 770 795 837 868 924 930 945 954 990 1023 1060 1085 1113 1116 1155 1166 1188 1260 1302 1364 1386 1395 1431 1484 1485 1540 1590 1643 1674 1705 1749 1855 1860 1890 1908 1953 1980 2046 2079 2170 2226 2310 2332 2385 2387 2604 2772 2790 2862 2915 2970 3069 3180 3255 3286 3339 3348 3410 3465 3498 3710 3780 3906 4081 4092 4158 4185 4340 4452 4620 4770 4774 4929 5115 5247 5565 5580 5724 5830 5859 5940 6138 6510 6572 6678 6820 6930 6996 7155 7161 7420 7812 8162 8215 8316 8370 8745 9207 9540 9548 9765 9858 10017 10230 10395 10494 11130 11501 11660 11718 11935 12243 12276 13020 13356 13860 14310 14322 14787 15345 15741 16324 16430 16695 16740 17490 18073 18414 19530 19716 20034 20405 20460 20790 20988 21483 22260 23002 23436 23870 24486 24645 26235 28620 28644 29295 29574 30690 31482 32860 33390 34503 34980 35805 36146 36729 36828 39060 40068 40810 41580 42966 44361 46004 46035 47740 48972 49290 50085 52470 54219 57505 58590 59148 61215 61380 62964 64449 66780 69006 71610 72292 73458 73935 78705 81620 85932 88722 90365 92070 98580 100170 103509 104940 107415 108438 110187 115010 117180 122430 126511 128898 138012 143220 146916 147870 157410 162657 172515 177444 180730 183645 184140 200340 207018 214830 216876 220374 221805 230020 244860 253022 257796 271095 295740 310527 314820 322245 325314 345030 361460 367290 379533 414036 429660 440748 443610 487971 506044 517545 542190 550935 621054 632555 644490 650628 690060 734580 759066 813285 887220 975942 1035090 1084380 1101870 1138599 1242108 1265110 1288980 1518132 1552635 1626570 1897665 1951884 2070180 2203740 2277198 2439855 2530220 3105270 3253140 3415797 3795330 4554396 4879710 5692995 6210540 6831594 7590660 9759420 11385990 13663188 17078985 22771980 34157970 68315940
- Sum of all divisors σ(n): 278691840
- Sum of proper divisors (its aliquot sum) s(n): 210375900
- 68315940 is an abundant number, because the sum of its proper divisors (210375900) is greater than itself. Its abundance is 142059960
Bases of 68315940
- Binary: 1000001001001101011001001002
- Hexadecimal: 0x4126B24
- Base-36: 14O8X0
Squares and roots of 68315940
- 68315940 squared (683159402) is 4667067658083600
- 68315940 cubed (683159403) is 318835114105579732584000
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The
square root of 68315940 is 8265.3457277963 -
The
cube root of 68315940 is 408.7966700351
Scales and comparisons
How big is 68315940?- 68,315,940 seconds is equal to 2 years, 8 weeks, 6 days, 16 hours, 39 minutes.
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To count from 1 to 68,315,940 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 68315940 cubic inches would be around 34.1 feet tall.
Recreational maths with 68315940
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