72128390368
72,128,390,368 is an even composite number composed of five prime numbers multiplied together.
72128390368 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 72128390368:
25 × 19 × 109 × 521 × 2089
(2 × 2 × 2 × 2 × 2 × 19 × 109 × 521 × 2089)See below for interesting mathematical facts about the number 72128390368 from the Numbermatics database.
Names of 72128390368
- Cardinal: 72128390368 can be written as Seventy-two billion, one hundred twenty-eight million, three hundred ninety thousand, three hundred sixty-eight.
Scientific notation
- Scientific notation: 7.2128390368 × 1010
Factors of 72128390368
Divisors of 72128390368
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 4 8 16 19 32 38 76 109 152 218 304 436 521 608 872 1042 1744 2071 2084 2089 3488 4142 4168 4178 8284 8336 8356 9899 16568 16672 16712 19798 33136 33424 39596 39691 56789 66272 66848 79192 79382 113578 158384 158764 227156 227701 316768 317528 454312 455402 635056 908624 910804 1078991 1088369 1270112 1817248 1821608 2157982 2176738 3643216 4315964 4326319 4353476 7286432 8631928 8652638 8706952 17263856 17305276 17413904 20679011 34527712 34610552 34827808 41358022 69221104 82716044 118632221 138442208 165432088 237264442 330864176 474528884 661728352 949057768 1898115536 2254012199 3796231072 4508024398 9016048796 18032097592 36064195184 72128390368
- Sum of all divisors σ(n): 151209828000
- Sum of proper divisors (its aliquot sum) s(n): 79081437632
- 72128390368 is an abundant number, because the sum of its proper divisors (79081437632) is greater than itself. Its abundance is 6953047264
Bases of 72128390368
- Binary: 10000110010110010111111100100111000002
- Hexadecimal: 0x10CB2FE4E0
- Base-36: X4VDQ74
Squares and roots of 72128390368
- 72128390368 squared (721283903682) is 5202504697078595175424
- 72128390368 cubed (721283903683) is 375248289682238501990023711916032
-
The
square root of 72128390368 is 268567.2920666253 -
The
cube root of 72128390368 is 4162.6389807569
Scales and comparisons
How big is 72128390368?- 72,128,390,368 seconds is equal to 2,293 years, 23 weeks, 6 days, 7 hours, 59 minutes, 28 seconds.
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To count from 1 to 72,128,390,368 would take you about four thousand, five hundred eighty-six 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 72128390368 cubic inches would be around 346.9 feet tall.
Recreational maths with 72128390368
- 72128390368 backwards is 86309382127
- The number of decimal digits it has is: 11
- The sum of 72128390368's digits is 49
- More coming soon!
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