138772009728
138,772,009,728 is an even composite number composed of four prime numbers multiplied together.
138772009728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 138772009728:
28 × 34 × 11 × 608393
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 11 × 608393)See below for interesting mathematical facts about the number 138772009728 from the Numbermatics database.
Names of 138772009728
- Cardinal: 138772009728 can be written as One hundred thirty-eight billion, seven hundred seventy-two million, nine thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.38772009728 × 1011
Factors of 138772009728
Divisors of 138772009728
- Number of divisors d(n): 180
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 81 88 96 99 108 128 132 144 162 176 192 198 216 256 264 288 297 324 352 384 396 432 528 576 594 648 704 768 792 864 891 1056 1152 1188 1296 1408 1584 1728 1782 2112 2304 2376 2592 2816 3168 3456 3564 4224 4752 5184 6336 6912 7128 8448 9504 10368 12672 14256 19008 20736 25344 28512 38016 57024 76032 114048 228096 608393 1216786 1825179 2433572 3650358 4867144 5475537 6692323 7300716 9734288 10951074 13384646 14601432 16426611 19468576 20076969 21902148 26769292 29202864 32853222 38937152 40153938 43804296 49279833 53538584 58405728 60230907 65706444 77874304 80307876 87608592 98559666 107077168 116811456 120461814 131412888 155748608 160615752 175217184 180692721 197119332 214154336 233622912 240923628 262825776 321231504 350434368 361385442 394238664 428308672 467245824 481847256 525651552 542078163 642463008 700868736 722770884 788477328 856617344 963694512 1051303104 1084156326 1284926016 1401737472 1445541768 1576954656 1713234688 1927389024 2102606208 2168312652 2569852032 2891083536 3153909312 3854778048 4205212416 4336625304 5139704064 5782167072 6307818624 7709556096 8673250608 11564334144 12615637248 15419112192 17346501216 23128668288 34693002432 46257336576 69386004864 138772009728
- Sum of all divisors σ(n): 451411312968
- Sum of proper divisors (its aliquot sum) s(n): 312639303240
- 138772009728 is an abundant number, because the sum of its proper divisors (312639303240) is greater than itself. Its abundance is 173867293512
Bases of 138772009728
- Binary: 100000010011110111010011010011000000002
- Hexadecimal: 0x204F74D300
- Base-36: 1RR19S00
Squares and roots of 138772009728
- 138772009728 squared (1387720097282) is 19257670683948126633984
- 138772009728 cubed (1387720097283) is 2672425663491469842698603543396352
-
The
square root of 138772009728 is 372521.1533966897 -
The
cube root of 138772009728 is 5177.2677526619
Scales and comparisons
How big is 138772009728?- 138,772,009,728 seconds is equal to 4,412 years, 27 weeks, 12 hours, 28 minutes, 48 seconds.
-
To count from 1 to 138,772,009,728 would take you about eight thousand, eight hundred twenty-five 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 138772009728 cubic inches would be around 431.4 feet tall.
Recreational maths with 138772009728
- 138772009728 backwards is 827900277831
- 138772009728 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138772009728's digits is 54
- More coming soon!
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