72706749388
72,706,749,388 is an even composite number composed of five prime numbers multiplied together.
What does the number 72706749388 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 162 divisors.
72706749388 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 72706749388:
22 × 72 × 132 × 67 × 1812
(2 × 2 × 7 × 7 × 13 × 13 × 67 × 181 × 181)See below for interesting mathematical facts about the number 72706749388 from the Numbermatics database.
Names of 72706749388
- Cardinal: 72706749388 can be written as Seventy-two billion, seven hundred six million, seven hundred forty-nine thousand, three hundred eighty-eight.
Scientific notation
- Scientific notation: 7.2706749388 × 1010
Factors of 72706749388
Divisors of 72706749388
- Number of divisors d(n): 162
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Complete list of divisors:
1 2 4 7 13 14 26 28 49 52 67 91 98 134 169 181 182 196 268 338 362 364 469 637 676 724 871 938 1183 1267 1274 1742 1876 2353 2366 2534 2548 3283 3484 4706 4732 5068 6097 6566 8281 8869 9412 11323 12127 12194 13132 16471 16562 17738 22646 24254 24388 30589 32761 32942 33124 35476 42679 45292 48508 61178 65522 65884 79261 84889 85358 115297 122356 131044 157651 158522 169778 170716 214123 229327 230594 315302 317044 339556 425893 428246 458654 461188 554827 594223 630604 851786 856492 917308 1103557 1109654 1188446 1498861 1605289 1703572 2049463 2194987 2207114 2219308 2376892 2981251 2997722 3210578 4098926 4389974 4414228 5536609 5962502 5995444 6421156 7724899 8197852 8779948 11073218 11925004 14346241 15364909 15449798 20868757 22146436 28534831 28692482 30729818 30899596 38756263 41737514 57069662 57384964 61459636 77512526 83475028 100423687 107554363 114139324 155025052 199743817 200847374 215108726 271293841 370952803 399487634 401694748 430217452 542587682 741905606 798975268 1085175364 1398206719 1483811212 2596669621 2796413438 5193339242 5592826876 10386678484 18176687347 36353374694 72706749388
- Sum of all divisors σ(n): 163567134108
- Sum of proper divisors (its aliquot sum) s(n): 90860384720
- 72706749388 is an abundant number, because the sum of its proper divisors (90860384720) is greater than itself. Its abundance is 18153635332
Bases of 72706749388
- Binary: 10000111011011010100011110011110011002
- Hexadecimal: 0x10EDA8F3CC
- Base-36: XEFPYVG
Squares and roots of 72706749388
- 72706749388 squared (727067493882) is 5286271406569438374544
- 72706749388 cubed (727067493883) is 384347610354394412717880686779072
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The
square root of 72706749388 is 269641.8910110225 -
The
cube root of 72706749388 is 4173.7353672791
Scales and comparisons
How big is 72706749388?- 72,706,749,388 seconds is equal to 2,311 years, 44 weeks, 1 day, 7 hours, 16 minutes, 28 seconds.
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To count from 1 to 72,706,749,388 would take you about four thousand, six hundred twenty-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 72706749388 cubic inches would be around 347.8 feet tall.
Recreational maths with 72706749388
- 72706749388 backwards is 88394760727
- The number of decimal digits it has is: 11
- The sum of 72706749388's digits is 61
- More coming soon!
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