12721573641920
12,721,573,641,920 is an even composite number composed of five prime numbers multiplied together.
12721573641920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 12721573641920:
26 × 5 × 11 × 132 × 21385109
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 13 × 13 × 21385109)See below for interesting mathematical facts about the number 12721573641920 from the Numbermatics database.
Names of 12721573641920
- Cardinal: 12721573641920 can be written as Twelve trillion, seven hundred twenty-one billion, five hundred seventy-three million, six hundred forty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.272157364192 × 1013
Factors of 12721573641920
Divisors of 12721573641920
- Number of divisors d(n): 168
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Complete list of divisors:
1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 64 65 80 88 104 110 130 143 160 169 176 208 220 260 286 320 338 352 416 440 520 572 676 704 715 832 845 880 1040 1144 1352 1430 1690 1760 1859 2080 2288 2704 2860 3380 3520 3718 4160 4576 5408 5720 6760 7436 9152 9295 10816 11440 13520 14872 18590 22880 27040 29744 37180 45760 54080 59488 74360 118976 148720 297440 594880 21385109 42770218 85540436 106925545 171080872 213851090 235236199 278006417 342161744 427702180 470472398 556012834 684323488 855404360 940944796 1112025668 1176180995 1368646976 1390032085 1710808720 1881889592 2224051336 2352361990 2780064170 3058070587 3421617440 3614083421 3763779184 4448102672 4704723980 5560128340 6116141174 6843234880 7228166842 7527558368 8896205344 9409447960 11120256680 12232282348 14456333684 15055116736 15290352935 17792410688 18070417105 18818895920 22240513360 24464564696 28912667368 30580705870 36140834210 37637791840 39754917631 44481026720 48929129392 57825334736 61161411740 72281668420 75275583680 79509835262 88962053440 97858258784 115650669472 122322823480 144563336840 159019670524 195716517568 198774588155 231301338944 244645646960 289126673680 318039341048 397549176310 489291293920 578253347360 636078682096 795098352620 978582587840 1156506694720 1272157364192 1590196705240 2544314728384 3180393410480 6360786820960 12721573641920
- Sum of all divisors σ(n): 35784816588720
- Sum of proper divisors (its aliquot sum) s(n): 23063242946800
- 12721573641920 is an abundant number, because the sum of its proper divisors (23063242946800) is greater than itself. Its abundance is 10341669304880
Bases of 12721573641920
- Binary: 101110010001111110001110000010111110110000002
- Hexadecimal: 0xB91F8E0BEC0
- Base-36: 4IC7KHGOW
Squares and roots of 12721573641920
- 12721573641920 squared (127215736419202) is 161838435926793692381286400
- 12721573641920 cubed (127215736419203) is 2058839580735857403695485784902565888000
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The
square root of 12721573641920 is 3566731.5068448873 -
The
cube root of 12721573641920 is 23344.2689858113
Scales and comparisons
How big is 12721573641920?- 12,721,573,641,920 seconds is equal to 404,506 years, 35 weeks, 6 days, 16 hours, 5 minutes, 20 seconds.
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To count from 1 to 12,721,573,641,920 would take you about one million, eleven thousand, two hundred sixty-six 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 12721573641920 cubic inches would be around 1945.4 feet tall.
Recreational maths with 12721573641920
- 12721573641920 backwards is 02914637512721
- The number of decimal digits it has is: 14
- The sum of 12721573641920's digits is 50
- More coming soon!
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