12921768
12,921,768 is an even composite number composed of four prime numbers multiplied together.
12921768 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 12921768:
23 × 35 × 172 × 23
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 17 × 17 × 23)See below for interesting mathematical facts about the number 12921768 from the Numbermatics database.
Names of 12921768
- Cardinal: 12921768 can be written as Twelve million, nine hundred twenty-one thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 1.2921768 × 107
Factors of 12921768
Divisors of 12921768
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 3 4 6 8 9 12 17 18 23 24 27 34 36 46 51 54 68 69 72 81 92 102 108 136 138 153 162 184 204 207 216 243 276 289 306 324 391 408 414 459 486 552 578 612 621 648 782 828 867 918 972 1156 1173 1224 1242 1377 1564 1656 1734 1836 1863 1944 2312 2346 2484 2601 2754 3128 3468 3519 3672 3726 4131 4692 4968 5202 5508 5589 6647 6936 7038 7452 7803 8262 9384 10404 10557 11016 11178 13294 14076 14904 15606 16524 19941 20808 21114 22356 23409 26588 28152 31212 31671 33048 39882 42228 44712 46818 53176 59823 62424 63342 70227 79764 84456 93636 95013 119646 126684 140454 159528 179469 187272 190026 239292 253368 280908 358938 380052 478584 538407 561816 717876 760104 1076814 1435752 1615221 2153628 3230442 4307256 6460884 12921768
- Sum of all divisors σ(n): 40229280
- Sum of proper divisors (its aliquot sum) s(n): 27307512
- 12921768 is an abundant number, because the sum of its proper divisors (27307512) is greater than itself. Its abundance is 14385744
Bases of 12921768
- Binary: 1100010100101011101010002
- Hexadecimal: 0xC52BA8
- Base-36: 7OYI0
Squares and roots of 12921768
- 12921768 squared (129217682) is 166972088245824
- 12921768 cubed (129217683) is 2157574586788064696832
-
The
square root of 12921768 is 3594.6860780881 -
The
cube root of 12921768 is 234.6608537789
Scales and comparisons
How big is 12921768?- 12,921,768 seconds is equal to 21 weeks, 2 days, 13 hours, 22 minutes, 48 seconds.
-
To count from 1 to 12,921,768 would take you about thirty-two weeks!
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 12921768 cubic inches would be around 19.6 feet tall.
Recreational maths with 12921768
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