72690345
72,690,345 is an odd composite number composed of six prime numbers multiplied together.
72690345 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 72690345:
33 × 5 × 7 × 13 × 61 × 97
(3 × 3 × 3 × 5 × 7 × 13 × 61 × 97)See below for interesting mathematical facts about the number 72690345 from the Numbermatics database.
Names of 72690345
- Cardinal: 72690345 can be written as Seventy-two million, six hundred ninety thousand, three hundred forty-five.
Scientific notation
- Scientific notation: 7.2690345 × 107
Factors of 72690345
Divisors of 72690345
- Number of divisors d(n): 128
-
Complete list of divisors:
1 3 5 7 9 13 15 21 27 35 39 45 61 63 65 91 97 105 117 135 183 189 195 273 291 305 315 351 427 455 485 549 585 679 793 819 873 915 945 1261 1281 1365 1455 1647 1755 2037 2135 2379 2457 2619 2745 3395 3783 3843 3965 4095 4365 5551 5917 6111 6305 6405 7137 8235 8827 10185 11349 11529 11895 12285 13095 16653 17751 18333 18915 19215 21411 26481 27755 29585 30555 34047 35685 41419 44135 49959 53253 56745 57645 76921 79443 83265 88755 91665 107055 124257 132405 149877 159759 170235 207095 230763 238329 249795 266265 372771 384605 397215 538447 621285 692289 749385 798795 1118313 1153815 1191645 1615341 1863855 2076867 2692235 3461445 4846023 5591565 8076705 10384335 14538069 24230115 72690345
- Sum of all divisors σ(n): 163322880
- Sum of proper divisors (its aliquot sum) s(n): 90632535
- 72690345 is an abundant number, because the sum of its proper divisors (90632535) is greater than itself. Its abundance is 17942190
Bases of 72690345
- Binary: 1000101010100101010101010012
- Hexadecimal: 0x4552AA9
- Base-36: 17A089
Squares and roots of 72690345
- 72690345 squared (726903452) is 5283886256219025
- 72690345 cubed (726903453) is 384087514905319322813625
-
The
square root of 72690345 is 8525.8632993967 -
The
cube root of 72690345 is 417.3421445371
Scales and comparisons
How big is 72690345?- 72,690,345 seconds is equal to 2 years, 16 weeks, 1 day, 7 hours, 45 minutes, 45 seconds.
-
To count from 1 to 72,690,345 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 72690345 cubic inches would be around 34.8 feet tall.
Recreational maths with 72690345
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The information we have on file for 72690345 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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