12721201920
12,721,201,920 is an even composite number composed of six prime numbers multiplied together.
12721201920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 12721201920:
28 × 32 × 5 × 7 × 73 × 2161
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 73 × 2161)See below for interesting mathematical facts about the number 12721201920 from the Numbermatics database.
Names of 12721201920
- Cardinal: 12721201920 can be written as Twelve billion, seven hundred twenty-one million, two hundred one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.272120192 × 1010
Factors of 12721201920
Divisors of 12721201920
- Number of divisors d(n): 432
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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 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 73 80 84 90 96 105 112 120 126 128 140 144 146 160 168 180 192 210 219 224 240 252 256 280 288 292 315 320 336 360 365 384 420 438 448 480 504 511 560 576 584 630 640 657 672 720 730 768 840 876 896 960 1008 1022 1095 1120 1152 1168 1260 1280 1314 1344 1440 1460 1533 1680 1752 1792 1920 2016 2044 2161 2190 2240 2304 2336 2520 2555 2628 2688 2880 2920 3066 3285 3360 3504 3840 4032 4088 4322 4380 4480 4599 4672 5040 5110 5256 5376 5760 5840 6132 6483 6570 6720 7008 7665 8064 8176 8644 8760 8960 9198 9344 10080 10220 10512 10805 11520 11680 12264 12966 13140 13440 14016 15127 15330 16128 16352 17288 17520 18396 18688 19449 20160 20440 21024 21610 22995 23360 24528 25932 26280 26880 28032 30254 30660 32415 32704 34576 35040 36792 38898 40320 40880 42048 43220 45381 45990 46720 49056 51864 52560 56064 60508 61320 64830 65408 69152 70080 73584 75635 77796 80640 81760 84096 86440 90762 91980 93440 97245 98112 103728 105120 121016 122640 129660 130816 136143 138304 140160 147168 151270 155592 157753 163520 168192 172880 181524 183960 194490 196224 207456 210240 226905 242032 245280 259320 272286 276608 280320 294336 302540 311184 315506 327040 345760 363048 367920 388980 392448 414912 420480 453810 473259 484064 490560 518640 544572 553216 588672 605080 622368 631012 654080 680715 691520 726096 735840 777960 788765 829824 840960 907620 946518 968128 981120 1037280 1089144 1104271 1177344 1210160 1244736 1262024 1361430 1383040 1419777 1452192 1471680 1555920 1577530 1659648 1815240 1893036 1936256 1962240 2074560 2178288 2208542 2366295 2420320 2489472 2524048 2722860 2766080 2839554 2904384 2943360 3111840 3155060 3312813 3630480 3786072 3872512 4149120 4356576 4417084 4732590 4840640 4978944 5048096 5445720 5521355 5679108 5808768 5886720 6223680 6310120 6625626 7098885 7260960 7572144 8298240 8713152 8834168 9465180 9681280 9938439 10096192 10891440 11042710 11358216 11617536 12447360 12620240 13251252 14197770 14521920 15144288 16564065 17426304 17668336 18930360 19362560 19876878 20192384 21782880 22085420 22716432 24894720 25240480 26502504 28395540 29043840 30288576 33128130 34852608 35336672 37860720 39753756 40384768 43565760 44170840 45432864 49692195 50480960 53005008 56791080 58087680 60577152 66256260 70673344 75721440 79507512 87131520 88341680 90865728 99384390 100961920 106010016 113582160 121154304 132512520 141346688 151442880 159015024 174263040 176683360 181731456 198768780 201923840 212020032 227164320 265025040 282693376 302885760 318030048 353366720 363462912 397537560 424040064 454328640 530050080 605771520 636060096 706733440 795075120 848080128 908657280 1060100160 1272120192 1413466880 1590150240 1817314560 2120200320 2544240384 3180300480 4240400640 6360600960 12721201920
- Sum of all divisors σ(n): 51014413632
- Sum of proper divisors (its aliquot sum) s(n): 38293211712
- 12721201920 is an abundant number, because the sum of its proper divisors (38293211712) is greater than itself. Its abundance is 25572009792
Bases of 12721201920
- Binary: 10111101100011111000100011000000002
- Hexadecimal: 0x2F63E2300
- Base-36: 5UDVI80
Squares and roots of 12721201920
- 12721201920 squared (127212019202) is 161828978289411686400
- 12721201920 cubed (127212019203) is 2058659109326902260702117888000
-
The
square root of 12721201920 is 112788.3057767959 -
The
cube root of 12721201920 is 2334.4041611921
Scales and comparisons
How big is 12721201920?- 12,721,201,920 seconds is equal to 404 years, 25 weeks, 5 days, 3 hours, 12 minutes.
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To count from 1 to 12,721,201,920 would take you about eight hundred eight 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 12721201920 cubic inches would be around 194.5 feet tall.
Recreational maths with 12721201920
- 12721201920 backwards is 02910212721
- The number of decimal digits it has is: 11
- The sum of 12721201920's digits is 27
- More coming soon!
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The information we have on file for 12721201920 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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