12749390940
12,749,390,940 is an even composite number composed of seven prime numbers multiplied together.
12749390940 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 12749390940:
22 × 3 × 5 × 11 × 13 × 97 × 15319
(2 × 2 × 3 × 5 × 11 × 13 × 97 × 15319)See below for interesting mathematical facts about the number 12749390940 from the Numbermatics database.
Names of 12749390940
- Cardinal: 12749390940 can be written as Twelve billion, seven hundred forty-nine million, three hundred ninety thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.274939094 × 1010
Factors of 12749390940
Divisors of 12749390940
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 97 110 130 132 143 156 165 194 195 220 260 286 291 330 388 390 429 485 572 582 660 715 780 858 970 1067 1164 1261 1430 1455 1716 1940 2134 2145 2522 2860 2910 3201 3783 4268 4290 5044 5335 5820 6305 6402 7566 8580 10670 12610 12804 13871 15132 15319 16005 18915 21340 25220 27742 30638 32010 37830 41613 45957 55484 61276 64020 69355 75660 76595 83226 91914 138710 153190 166452 168509 183828 199147 208065 229785 277420 306380 337018 398294 416130 459570 505527 597441 674036 796588 832260 842545 919140 995735 1011054 1194882 1485943 1685090 1991470 2022108 2190617 2389764 2527635 2971886 2987205 3370180 3982940 4381234 4457829 5055270 5943772 5974410 6571851 7429715 8762468 8915658 10110540 10953085 11948820 13143702 14859430 16345373 17831316 19317259 21906170 22289145 26287404 29718860 32690746 32859255 38634518 43812340 44578290 49036119 57951777 65381492 65718510 77269036 81726865 89156580 96586295 98072238 115903554 131437020 163453730 193172590 196144476 212489849 231807108 245180595 289758885 326907460 386345180 424979698 490361190 579517770 637469547 849959396 980722380 1062449245 1159035540 1274939094 2124898490 2549878188 3187347735 4249796980 6374695470 12749390940
- Sum of all divisors σ(n): 42374384640
- Sum of proper divisors (its aliquot sum) s(n): 29624993700
- 12749390940 is an abundant number, because the sum of its proper divisors (29624993700) is greater than itself. Its abundance is 16875602760
Bases of 12749390940
- Binary: 10111101111110110001000100010111002
- Hexadecimal: 0x2F7EC445C
- Base-36: 5UUNP0C
Squares and roots of 12749390940
- 12749390940 squared (127493909402) is 162546969340954083600
- 12749390940 cubed (127493909403) is 2072374858240017764405842584000
-
The
square root of 12749390940 is 112913.2009111423 -
The
cube root of 12749390940 is 2336.1271645195
Scales and comparisons
How big is 12749390940?- 12,749,390,940 seconds is equal to 405 years, 20 weeks, 2 days, 9 hours, 29 minutes.
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To count from 1 to 12,749,390,940 would take you about eight hundred ten 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 12749390940 cubic inches would be around 194.7 feet tall.
Recreational maths with 12749390940
- 12749390940 backwards is 04909394721
- The number of decimal digits it has is: 11
- The sum of 12749390940's digits is 48
- More coming soon!
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