121128724721920
121,128,724,721,920 is an even composite number composed of six prime numbers multiplied together.
What does the number 121128724721920 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 288 divisors.
121128724721920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 121128724721920:
28 × 5 × 61 × 67 × 79 × 293093
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 61 × 67 × 79 × 293093)See below for interesting mathematical facts about the number 121128724721920 from the Numbermatics database.
Names of 121128724721920
- Cardinal: 121128724721920 can be written as One hundred twenty-one trillion, one hundred twenty-eight billion, seven hundred twenty-four million, seven hundred twenty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.2112872472192 × 1014
Factors of 121128724721920
Divisors of 121128724721920
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 61 64 67 79 80 122 128 134 158 160 244 256 268 305 316 320 335 395 488 536 610 632 640 670 790 976 1072 1220 1264 1280 1340 1580 1952 2144 2440 2528 2680 3160 3904 4087 4288 4819 4880 5056 5293 5360 6320 7808 8174 8576 9638 9760 10112 10586 10720 12640 15616 16348 17152 19276 19520 20224 20435 21172 21440 24095 25280 26465 32696 38552 39040 40870 42344 42880 48190 50560 52930 65392 77104 78080 81740 84688 85760 96380 101120 105860 130784 154208 163480 169376 192760 211720 261568 293093 308416 322873 326960 338752 385520 423440 523136 586186 616832 645746 653920 677504 771040 846880 1046272 1172372 1233664 1291492 1307840 1355008 1465465 1542080 1614365 1693760 2344744 2582984 2615680 2930930 3084160 3228730 3387520 4689488 5165968 5231360 5861860 6168320 6457460 6775040 9378976 10331936 11723720 12914920 17878673 18757952 19637231 20663872 23154347 23447440 25829840 35757346 37515904 39274462 41327744 46308694 46894880 51659680 71514692 75031808 78548924 82655488 89393365 92617388 93789760 98186155 103319360 115771735 143029384 157097848 178786730 185234776 187579520 196372310 206638720 231543470 286058768 314195696 357573460 370469552 375159040 392744620 413277440 463086940 572117536 628391392 715146920 740939104 785489240 926173880 1144235072 1197871091 1256782784 1412415167 1430293840 1481878208 1551341249 1570978480 1852347760 2288470144 2395742182 2513565568 2824830334 2860587680 2963756416 3102682498 3141956960 3704695520 4576940288 4791484364 5027131136 5649660668 5721175360 5927512832 5989355455 6205364996 6283913920 7062075835 7409391040 7756706245 9582968728 11299321336 11442350720 11978710910 12410729992 12567827840 14124151670 14818782080 15513412490 19165937456 22598642672 22884701440 23957421820 24821459984 25135655680 28248303340 29637564160 31026824980 38331874912 45197285344 47914843640 49642919968 56496606680 62053649960 76663749824 90394570688 94631816189 95829687280 99285839936 112993213360 124107299920 153327499648 180789141376 189263632378 191659374560 198571679872 225986426720 248214599840 306654999296 361578282752 378527264756 383318749120 397143359744 451972853440 473159080945 496429199680 757054529512 766637498240 903945706880 946318161890 992858399360 1514109059024 1533274996480 1807891413760 1892636323780 1985716798720 3028218118048 3785272647560 6056436236096 7570545295120 12112872472192 15141090590240 24225744944384 30282181180480 60564362360960 121128724721920
- Sum of all divisors σ(n): 303088646085120
- Sum of proper divisors (its aliquot sum) s(n): 181959921363200
- 121128724721920 is an abundant number, because the sum of its proper divisors (181959921363200) is greater than itself. Its abundance is 60831196641280
Bases of 121128724721920
- Binary: 110111000101010011110101001101111110001000000002
- Hexadecimal: 0x6E2A7A9BF100
- Base-36: 16XPRN8XZ4
Squares and roots of 121128724721920
- 121128724721920 squared (1211287247219202) is 14672167952758673381328486400
- 121128724721920 cubed (1211287247219203) is 1777220993023481875068626469932014501888000
-
The
square root of 121128724721920 is 11005849.5683849867 -
The
cube root of 121128724721920 is 49478.4077131313
Scales and comparisons
How big is 121128724721920?- 121,128,724,721,920 seconds is equal to 3,851,518 years, 40 weeks, 10 hours, 18 minutes, 40 seconds.
-
To count from 1 to 121,128,724,721,920 would take you about nine million, six hundred twenty-eight thousand, seven hundred ninety-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 121128724721920 cubic inches would be around 4123.2 feet tall.
Recreational maths with 121128724721920
- 121128724721920 backwards is 029127427821121
- The number of decimal digits it has is: 15
- The sum of 121128724721920's digits is 49
- More coming soon!
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