12123457920
12,123,457,920 is an even composite number composed of five prime numbers multiplied together.
12123457920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 12123457920:
27 × 34 × 5 × 7 × 33409
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 33409)See below for interesting mathematical facts about the number 12123457920 from the Numbermatics database.
Names of 12123457920
- Cardinal: 12123457920 can be written as Twelve billion, one hundred twenty-three million, four hundred fifty-seven thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.212345792 × 1010
Factors of 12123457920
Divisors of 12123457920
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 81 84 90 96 105 108 112 120 126 128 135 140 144 160 162 168 180 189 192 210 216 224 240 252 270 280 288 315 320 324 336 360 378 384 405 420 432 448 480 504 540 560 567 576 630 640 648 672 720 756 810 840 864 896 945 960 1008 1080 1120 1134 1152 1260 1296 1344 1440 1512 1620 1680 1728 1890 1920 2016 2160 2240 2268 2520 2592 2688 2835 2880 3024 3240 3360 3456 3780 4032 4320 4480 4536 5040 5184 5670 5760 6048 6480 6720 7560 8064 8640 9072 10080 10368 11340 12096 12960 13440 15120 17280 18144 20160 22680 24192 25920 30240 33409 36288 40320 45360 51840 60480 66818 72576 90720 100227 120960 133636 167045 181440 200454 233863 267272 300681 334090 362880 400908 467726 501135 534544 601362 668180 701589 801816 902043 935452 1002270 1069088 1169315 1202724 1336360 1403178 1503405 1603632 1804086 1870904 2004540 2104767 2138176 2338630 2405448 2672720 2706129 2806356 3006810 3207264 3507945 3608172 3741808 4009080 4209534 4276352 4510215 4677260 4810896 5345440 5412258 5612712 6013620 6314301 6414528 7015890 7216344 7483616 8018160 8419068 9020430 9354520 9621792 10523835 10690880 10824516 11225424 12027240 12628602 12829056 13530645 14031780 14432688 14967232 16036320 16838136 18040860 18709040 18942903 19243584 21047670 21381760 21649032 22450848 24054480 25257204 27061290 28063560 28865376 29934464 31571505 32072640 33676272 36081720 37418080 37885806 38487168 42095340 43298064 44901696 48108960 50514408 54122580 56127120 57730752 63143010 64145280 67352544 72163440 74836160 75771612 84190680 86596128 89803392 94714515 96217920 101028816 108245160 112254240 115461504 126286020 134705088 144326880 149672320 151543224 168381360 173192256 189429030 192435840 202057632 216490320 224508480 252572040 269410176 288653760 303086448 336762720 346384512 378858060 404115264 432980640 449016960 505144080 577307520 606172896 673525440 757716120 808230528 865961280 1010288160 1212345792 1347050880 1515432240 1731922560 2020576320 2424691584 3030864480 4041152640 6061728960 12123457920
- Sum of all divisors σ(n): 49481546400
- Sum of proper divisors (its aliquot sum) s(n): 37358088480
- 12123457920 is an abundant number, because the sum of its proper divisors (37358088480) is greater than itself. Its abundance is 25234630560
Bases of 12123457920
- Binary: 10110100101001110101001001100000002
- Hexadecimal: 0x2D29D4980
- Base-36: 5KHZS00
Squares and roots of 12123457920
- 12123457920 squared (121234579202) is 146978231938010726400
- 12123457920 cubed (121234579203) is 1781884410056473090019033088000
-
The
square root of 12123457920 is 110106.5752804981 -
The
cube root of 12123457920 is 2297.2530482101
Scales and comparisons
How big is 12123457920?- 12,123,457,920 seconds is equal to 385 years, 25 weeks, 2 days, 19 hours, 12 minutes.
-
To count from 1 to 12,123,457,920 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 12123457920 cubic inches would be around 191.4 feet tall.
Recreational maths with 12123457920
- 12123457920 backwards is 02975432121
- 12123457920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12123457920's digits is 36
- More coming soon!
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