12531379728
12,531,379,728 is an even composite number composed of seven prime numbers multiplied together.
12531379728 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 12531379728:
24 × 3 × 7 × 17 × 41 × 73 × 733
(2 × 2 × 2 × 2 × 3 × 7 × 17 × 41 × 73 × 733)See below for interesting mathematical facts about the number 12531379728 from the Numbermatics database.
Names of 12531379728
- Cardinal: 12531379728 can be written as Twelve billion, five hundred thirty-one million, three hundred seventy-nine thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.2531379728 × 1010
Factors of 12531379728
Divisors of 12531379728
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 17 21 24 28 34 41 42 48 51 56 68 73 82 84 102 112 119 123 136 146 164 168 204 219 238 246 272 287 292 328 336 357 408 438 476 492 511 574 584 656 697 714 733 816 861 876 952 984 1022 1148 1168 1241 1394 1428 1466 1533 1722 1752 1904 1968 2044 2091 2199 2296 2482 2788 2856 2932 2993 3066 3444 3504 3723 4088 4182 4398 4592 4879 4964 5131 5576 5712 5864 5986 6132 6888 7446 8176 8364 8687 8796 8979 9758 9928 10262 11152 11728 11972 12264 12461 13776 14637 14892 15393 16728 17374 17592 17958 19516 19856 20524 20951 23944 24528 24922 26061 29274 29784 30053 30786 33456 34748 35184 35916 37383 39032 41048 41902 47888 49844 50881 52122 53509 58548 59568 60106 61572 62853 69496 71832 74766 78064 82096 83804 87227 90159 99688 101762 104244 107018 117096 120212 123144 125706 138992 143664 149532 152643 160527 167608 174454 180318 199376 203524 208488 210371 214036 234192 240424 246288 251412 261681 299064 305286 321054 335216 348908 356167 360636 374563 407048 416976 420742 428072 480848 502824 510901 523362 598128 610572 631113 642108 697816 712334 721272 749126 814096 841484 856144 909653 1005648 1021802 1046724 1068501 1123689 1221144 1262226 1284216 1395632 1424668 1442544 1498252 1532703 1682968 1819306 2043604 2093448 2137002 2193869 2247378 2442288 2524452 2568432 2728959 2849336 2996504 3065406 3365936 3576307 3638612 4087208 4186896 4274004 4387738 4494756 5048904 5457918 5698672 5993008 6130812 6367571 6581607 7152614 7277224 8174416 8548008 8775476 8989512 10097808 10728921 10915836 12261624 12735142 13163214 14305228 14554448 15357083 17096016 17550952 17979024 19102713 21457842 21831672 24523248 25470284 26326428 28610456 30714166 35101904 37295773 38205426 42915684 43663344 46071249 50940568 52652856 57220912 61428332 74591546 76410852 85831368 92142498 101881136 105305712 111887319 122856664 149183092 152821704 171662736 184284996 223774638 245713328 261070411 298366184 305643408 368569992 447549276 522140822 596732368 737139984 783211233 895098552 1044281644 1566422466 1790197104 2088563288 3132844932 4177126576 6265689864 12531379728
- Sum of all divisors σ(n): 40734392832
- Sum of proper divisors (its aliquot sum) s(n): 28203013104
- 12531379728 is an abundant number, because the sum of its proper divisors (28203013104) is greater than itself. Its abundance is 15671633376
Bases of 12531379728
- Binary: 10111010101110110110101110000100002
- Hexadecimal: 0x2EAEDAE10
- Base-36: 5R8UYHC
Squares and roots of 12531379728
- 12531379728 squared (125313797282) is 157035477887329353984
- 12531379728 cubed (125313797283) is 1967871204174071334574433636352
-
The
square root of 12531379728 is 111943.6453220995 -
The
cube root of 12531379728 is 2322.7348179319
Scales and comparisons
How big is 12531379728?- 12,531,379,728 seconds is equal to 398 years, 23 weeks, 6 days, 2 hours, 48 minutes, 48 seconds.
-
To count from 1 to 12,531,379,728 would take you about seven hundred ninety-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 12531379728 cubic inches would be around 193.6 feet tall.
Recreational maths with 12531379728
- 12531379728 backwards is 82797313521
- 12531379728 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12531379728's digits is 48
- More coming soon!
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