12731579640
12,731,579,640 is an even composite number composed of six prime numbers multiplied together.
12731579640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 12731579640:
23 × 32 × 5 × 13 × 211 × 12893
(2 × 2 × 2 × 3 × 3 × 5 × 13 × 211 × 12893)See below for interesting mathematical facts about the number 12731579640 from the Numbermatics database.
Names of 12731579640
- Cardinal: 12731579640 can be written as Twelve billion, seven hundred thirty-one million, five hundred seventy-nine thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.273157964 × 1010
Factors of 12731579640
Divisors of 12731579640
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 180 195 211 234 260 312 360 390 422 468 520 585 633 780 844 936 1055 1170 1266 1560 1688 1899 2110 2340 2532 2743 3165 3798 4220 4680 5064 5486 6330 7596 8229 8440 9495 10972 12660 12893 13715 15192 16458 18990 21944 24687 25320 25786 27430 32916 37980 38679 41145 49374 51572 54860 64465 65832 75960 77358 82290 98748 103144 109720 116037 123435 128930 154716 164580 167609 193395 197496 232074 246870 257860 309432 329160 335218 386790 464148 493740 502827 515720 580185 670436 773580 838045 928296 987480 1005654 1160370 1340872 1508481 1547160 1676090 2011308 2320740 2514135 2720423 3016962 3352180 4022616 4641480 5028270 5440846 6033924 6704360 7542405 8161269 10056540 10881692 12067848 13602115 15084810 16322538 20113080 21763384 24483807 27204230 30169620 32645076 35365499 40806345 48967614 54408460 60339240 65290152 70730998 81612690 97935228 106096497 108816920 122419035 141461996 163225380 176827495 195870456 212192994 244838070 282923992 318289491 326450760 353654990 424385988 489676140 530482485 636578982 707309980 848771976 979352280 1060964970 1273157964 1414619960 1591447455 2121929940 2546315928 3182894910 4243859880 6365789820 12731579640
- Sum of all divisors σ(n): 44775188640
- Sum of proper divisors (its aliquot sum) s(n): 32043609000
- 12731579640 is an abundant number, because the sum of its proper divisors (32043609000) is greater than itself. Its abundance is 19312029360
Bases of 12731579640
- Binary: 10111101101101110001111100111110002
- Hexadecimal: 0x2F6DC7CF8
- Base-36: 5UK1XQ0
Squares and roots of 12731579640
- 12731579640 squared (127315796402) is 162093120129662529600
- 12731579640 cubed (127315796403) is 2063701468026885621926257344000
-
The
square root of 12731579640 is 112834.3016994389 -
The
cube root of 12731579640 is 2335.0387764913
Scales and comparisons
How big is 12731579640?- 12,731,579,640 seconds is equal to 404 years, 42 weeks, 6 days, 5 hours, 54 minutes.
-
To count from 1 to 12,731,579,640 would take you about eight hundred nine 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 12731579640 cubic inches would be around 194.6 feet tall.
Recreational maths with 12731579640
- 12731579640 backwards is 04697513721
- 12731579640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12731579640's digits is 45
- More coming soon!
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