638639984725382816
638,639,984,725,382,816 is an even composite number composed of five prime numbers multiplied together.
638639984725382816 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 638639984725382816:
25 × 11 × 29 × 14057 × 4450643411
(2 × 2 × 2 × 2 × 2 × 11 × 29 × 14057 × 4450643411)See below for interesting mathematical facts about the number 638639984725382816 from the Numbermatics database.
Names of 638639984725382816
- Cardinal: 638639984725382816 can be written as Six hundred thirty-eight quadrillion, six hundred thirty-nine trillion, nine hundred eighty-four billion, seven hundred twenty-five million, three hundred eighty-two thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 6.38639984725382816 × 1017
Factors of 638639984725382816
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 9
- Sum of prime factors: 4450657510
Divisors of 638639984725382816
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 8 11 16 22 29 32 44 58 88 116 176 232 319 352 464 638 928 1276 2552 5104 10208 14057 28114 56228 112456 154627 224912 309254 407653 449824 618508 815306 1237016 1630612 2474032 3261224 4484183 4948064 6522448 8968366 13044896 17936732 35873464 71746928 143493856 4450643411 8901286822 17802573644 35605147288 48957077521 71210294576 97914155042 129068658919 142420589152 195828310084 258137317838 391656620168 516274635676 783313240336 1032549271352 1419755248109 1566626480672 2065098542704 2839510496218 4130197085408 5679020992436 11358041984872 22716083969744 45432167939488 62562694428427 125125388856854 250250777713708 500501555427416 688189638712697 1001003110854832 1376379277425394 1814318138424383 2002006221709664 2752758554850788 3628636276848766 5505517109701576 7257272553697532 11011034219403152 14514545107395064 19957499522668213 22022068438806304 29029090214790128 39914999045336426 58058180429580256 79829998090672852 159659996181345704 319319992362691408 638639984725382816
- Sum of all divisors σ(n): 1419022850548121280
- Sum of proper divisors (its aliquot sum) s(n): 780382865822738464
- 638639984725382816 is an abundant number, because the sum of its proper divisors (780382865822738464) is greater than itself. Its abundance is 141742881097355648
Bases of 638639984725382816
- Binary: 1000110111001110011110101110101101001110101011010110101000002
- Hexadecimal: 0x8DCE7AEB4EAD6A0
- Base-36: 4UOAZAQ5Q7Q8
Squares and roots of 638639984725382816
- 638639984725382816 squared (6386399847253828162) is 407861030090037196534410117748089856
- 638639984725382816 cubed (6386399847253828163) is 260476362026780256297512448214954073777403302366314496
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The
square root of 638639984725382816 is 799149538.4002813875 -
The
cube root of 638639984725382816 is 861163.0130907305
Scales and comparisons
How big is 638639984725382816?- 638,639,984,725,382,816 seconds is equal to 20,306,776,071 years, 4 weeks, 5 days, 2 hours, 46 minutes, 56 seconds.
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To count from 1 to 638,639,984,725,382,816 would take you about sixty billion, nine hundred twenty million, three hundred twenty-eight thousand, two hundred thirteen 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 638639984725382816 cubic inches would be around 71763.6 feet tall.
Recreational maths with 638639984725382816
- 638639984725382816 backwards is 618283527489936836
- The number of decimal digits it has is: 18
- The sum of 638639984725382816's digits is 98
- More coming soon!
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