12121956990
12,121,956,990 is an even composite number composed of seven prime numbers multiplied together.
12121956990 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 12121956990:
2 × 34 × 5 × 11 × 13 × 229 × 457
(2 × 3 × 3 × 3 × 3 × 5 × 11 × 13 × 229 × 457)See below for interesting mathematical facts about the number 12121956990 from the Numbermatics database.
Names of 12121956990
- Cardinal: 12121956990 can be written as Twelve billion, one hundred twenty-one million, nine hundred fifty-six thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.212195699 × 1010
Factors of 12121956990
Divisors of 12121956990
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 5 6 9 10 11 13 15 18 22 26 27 30 33 39 45 54 55 65 66 78 81 90 99 110 117 130 135 143 162 165 195 198 229 234 270 286 297 330 351 390 405 429 457 458 495 585 594 687 702 715 810 858 891 914 990 1053 1145 1170 1287 1371 1374 1430 1485 1755 1782 2061 2106 2145 2285 2290 2519 2574 2742 2970 2977 3435 3510 3861 4113 4122 4290 4455 4570 5027 5038 5265 5941 5954 6183 6435 6855 6870 7557 7722 8226 8910 8931 10054 10305 10530 11583 11882 12339 12366 12595 12870 13710 14885 15081 15114 17823 17862 18549 19305 20565 20610 22671 23166 24678 25135 25190 26793 29705 29770 30162 30915 32747 35646 37017 37098 37785 38610 41130 44655 45243 45342 50270 53469 53586 57915 59410 61695 61830 65351 65494 68013 74034 75405 75570 80379 89115 89310 90486 92745 98241 104653 106938 113355 115830 123390 130702 133965 135729 136026 150810 160407 160758 163735 178230 185085 185490 196053 196482 204039 209306 226215 226710 241137 267345 267930 271458 294723 313959 320814 326755 327470 340065 370170 392106 401895 407187 408078 452430 481221 482274 491205 523265 534690 588159 589446 627918 653510 678645 680130 802035 803790 814374 884169 941877 962442 980265 982410 1020195 1046530 1151183 1176318 1205685 1357290 1360489 1473615 1569795 1604070 1764477 1768338 1883754 1960530 2035935 2040390 2302366 2406105 2411370 2652507 2720978 2825631 2940795 2947230 3139590 3453549 3528954 4071870 4081467 4420845 4709385 4812210 5293431 5305014 5651262 5755915 5881590 6802445 6907098 8162934 8476893 8822385 8841690 9418770 10360647 10586862 11511830 12244401 13262535 13604890 14128155 14965379 16953786 17267745 17644770 20407335 20721294 24488802 26467155 26525070 28256310 29930758 31081941 34535490 36733203 40814670 42384465 44896137 51803235 52934310 61222005 62163882 73466406 74826895 84768930 89792274 93245823 103606470 110199609 122444010 134688411 149653790 155409705 183666015 186491646 220399218 224480685 269376822 310819410 367332030 404065233 448961370 466229115 550998045 673442055 808130466 932458230 1101996090 1212195699 1346884110 2020326165 2424391398 4040652330 6060978495 12121956990
- Sum of all divisors σ(n): 38544327360
- Sum of proper divisors (its aliquot sum) s(n): 26422370370
- 12121956990 is an abundant number, because the sum of its proper divisors (26422370370) is greater than itself. Its abundance is 14300413380
Bases of 12121956990
- Binary: 10110100101000011001100010011111102
- Hexadecimal: 0x2D286627E
- Base-36: 5KH3LVI
Squares and roots of 12121956990
- 12121956990 squared (121219569902) is 146941841267409860100
- 12121956990 cubed (121219569903) is 1781222679874949412834117099000
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The
square root of 12121956990 is 110099.7592640419 -
The
cube root of 12121956990 is 2297.1582414219
Scales and comparisons
How big is 12121956990?- 12,121,956,990 seconds is equal to 385 years, 22 weeks, 6 days, 10 hours, 16 minutes, 30 seconds.
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To count from 1 to 12,121,956,990 would take you about seven hundred seventy 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 12121956990 cubic inches would be around 191.4 feet tall.
Recreational maths with 12121956990
- 12121956990 backwards is 09965912121
- 12121956990 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12121956990's digits is 45
- More coming soon!
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The information we have on file for 12121956990 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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