68120388
68,120,388 is an even composite number composed of five prime numbers multiplied together.
68120388 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-two divisors.
Prime factorization of 68120388:
22 × 32 × 72 × 232 × 73
(2 × 2 × 3 × 3 × 7 × 7 × 23 × 23 × 73)See below for interesting mathematical facts about the number 68120388 from the Numbermatics database.
Names of 68120388
- Cardinal: 68120388 can be written as Sixty-eight million, one hundred twenty thousand, three hundred eighty-eight.
Scientific notation
- Scientific notation: 6.8120388 × 107
Factors of 68120388
Divisors of 68120388
- Number of divisors d(n): 162
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 23 28 36 42 46 49 63 69 73 84 92 98 126 138 146 147 161 196 207 219 252 276 292 294 322 414 438 441 483 511 529 588 644 657 828 876 882 966 1022 1058 1127 1314 1449 1533 1587 1679 1764 1932 2044 2116 2254 2628 2898 3066 3174 3358 3381 3577 3703 4508 4599 4761 5037 5796 6132 6348 6716 6762 7154 7406 9198 9522 10074 10143 10731 11109 11753 13524 14308 14812 15111 18396 19044 20148 20286 21462 22218 23506 25921 30222 32193 33327 35259 38617 40572 42924 44436 47012 51842 60444 64386 66654 70518 77234 77763 82271 103684 105777 115851 128772 133308 141036 154468 155526 164542 211554 231702 233289 246813 270319 311052 329084 347553 423108 463404 466578 493626 540638 695106 740439 810957 933156 987252 1081276 1390212 1480878 1621914 1892233 2432871 2961756 3243828 3784466 4865742 5676699 7568932 9731484 11353398 17030097 22706796 34060194 68120388
- Sum of all divisors σ(n): 212262414
- Sum of proper divisors (its aliquot sum) s(n): 144142026
- 68120388 is an abundant number, because the sum of its proper divisors (144142026) is greater than itself. Its abundance is 76021638
Bases of 68120388
- Binary: 1000000111101101111010001002
- Hexadecimal: 0x40F6F44
- Base-36: 14K210
Squares and roots of 68120388
- 68120388 squared (681203882) is 4640387261270544
- 68120388 cubed (681203883) is 316104980708006830251072
-
The
square root of 68120388 is 8253.5076179767 -
The
cube root of 68120388 is 408.4062418565
Scales and comparisons
How big is 68120388?- 68,120,388 seconds is equal to 2 years, 8 weeks, 4 days, 10 hours, 19 minutes, 48 seconds.
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To count from 1 to 68,120,388 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 68120388 cubic inches would be around 34 feet tall.
Recreational maths with 68120388
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