12918137320
12,918,137,320 is an even composite number composed of seven prime numbers multiplied together.
12918137320 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 12918137320:
23 × 5 × 11 × 41 × 53 × 59 × 229
(2 × 2 × 2 × 5 × 11 × 41 × 53 × 59 × 229)See below for interesting mathematical facts about the number 12918137320 from the Numbermatics database.
Names of 12918137320
- Cardinal: 12918137320 can be written as Twelve billion, nine hundred eighteen million, one hundred thirty-seven thousand, three hundred twenty.
Scientific notation
- Scientific notation: 1.291813732 × 1010
Factors of 12918137320
Divisors of 12918137320
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 8 10 11 20 22 40 41 44 53 55 59 82 88 106 110 118 164 205 212 220 229 236 265 295 328 410 424 440 451 458 472 530 583 590 649 820 902 916 1060 1145 1166 1180 1298 1640 1804 1832 2120 2173 2255 2290 2332 2360 2419 2519 2596 2915 3127 3245 3608 4346 4510 4580 4664 4838 5038 5192 5830 6254 6490 8692 9020 9160 9389 9676 10076 10865 11660 12095 12137 12508 12595 12980 13511 15635 17384 18040 18778 19352 20152 21730 23320 23903 24190 24274 25016 25190 25960 26609 27022 31270 34397 37556 43460 46945 47806 48380 48548 50380 53218 54044 60685 62540 67555 68794 75112 86920 93890 95612 96760 97096 100760 103279 106436 108088 119515 121370 125080 128207 133045 133507 135110 137588 148621 171985 187780 191224 206558 212872 239030 242740 256414 266090 267014 270220 275176 297242 343970 375560 413116 478060 485480 497617 512828 516395 532180 534028 540440 553951 594484 641035 667535 687940 716083 743105 826232 956120 995234 1025656 1032790 1064360 1068056 1107902 1188968 1282070 1335070 1375880 1410277 1432166 1486210 1990468 2065580 2215804 2488085 2564140 2670140 2769755 2820554 2864332 2972420 3580415 3980936 4131160 4431608 4976170 5128280 5340280 5473787 5539510 5641108 5728664 5944840 6093461 7051385 7160830 7876913 9952340 10947574 11079020 11282216 12186922 14102770 14321660 15753826 19904680 21895148 22158040 24373844 27368935 28205540 28643320 29359403 30467305 31507652 39384565 43790296 48747688 54737870 56411080 58718806 60934610 63015304 78769130 109475740 117437612 121869220 146797015 157538260 218951480 234875224 243738440 293594030 315076520 322953433 587188060 645906866 1174376120 1291813732 1614767165 2583627464 3229534330 6459068660 12918137320
- Sum of all divisors σ(n): 33802272000
- Sum of proper divisors (its aliquot sum) s(n): 20884134680
- 12918137320 is an abundant number, because the sum of its proper divisors (20884134680) is greater than itself. Its abundance is 7965997360
Bases of 12918137320
- Binary: 11000000011111101100100001111010002
- Hexadecimal: 0x301FB21E8
- Base-36: 5XN4IJS
Squares and roots of 12918137320
- 12918137320 squared (129181373202) is 166878271818376782400
- 12918137320 cubed (129181373203) is 2155756431074077374542959168000
-
The
square root of 12918137320 is 113657.9839694511 -
The
cube root of 12918137320 is 2346.3887385889
Scales and comparisons
How big is 12918137320?- 12,918,137,320 seconds is equal to 410 years, 39 weeks, 2 days, 11 hours, 28 minutes, 40 seconds.
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To count from 1 to 12,918,137,320 would take you about eight hundred twenty-one 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 12918137320 cubic inches would be around 195.5 feet tall.
Recreational maths with 12918137320
- 12918137320 backwards is 02373181921
- The number of decimal digits it has is: 11
- The sum of 12918137320's digits is 37
- More coming soon!
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