21264768521985840
21,264,768,521,985,840 is an even composite number composed of five prime numbers multiplied together.
21264768521985840 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 21264768521985840:
24 × 3 × 5 × 1093 × 4093
(2 × 2 × 2 × 2 × 3 × 5 × 109 × 109 × 109 × 409 × 409 × 409)See below for interesting mathematical facts about the number 21264768521985840 from the Numbermatics database.
Names of 21264768521985840
- Cardinal: 21264768521985840 can be written as Twenty-one quadrillion, two hundred sixty-four trillion, seven hundred sixty-eight billion, five hundred twenty-one million, nine hundred eighty-five thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.126476852198584 × 1016
Factors of 21264768521985840
Divisors of 21264768521985840
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 109 120 218 240 327 409 436 545 654 818 872 1090 1227 1308 1635 1636 1744 2045 2180 2454 2616 3270 3272 4090 4360 4908 5232 6135 6540 6544 8180 8720 9816 11881 12270 13080 16360 19632 23762 24540 26160 32720 35643 44581 47524 49080 59405 71286 89162 95048 98160 118810 133743 142572 167281 178215 178324 190096 222905 237620 267486 285144 334562 356430 356648 445810 475240 501843 534972 570288 668715 669124 712860 713296 836405 891620 950480 1003686 1069944 1295029 1337430 1338248 1425720 1672810 1783240 2007372 2139888 2509215 2590058 2674860 2676496 2851440 3345620 3566480 3885087 4014744 4859329 5018430 5180116 5349720 6475145 6691240 7770174 8029488 9718658 10036860 10360232 10699440 12950290 13382480 14577987 15540348 18233629 19425435 19437316 20073720 20720464 24296645 25900580 29155974 31080696 36467258 38850870 38874632 40147440 48593290 51801160 54700887 58311948 62161392 68417929 72889935 72934516 77701740 77749264 91168145 97186580 103602320 109401774 116623896 136835858 145779870 145869032 155403480 182336290 194373160 205253787 218803548 233247792 273504435 273671716 291559740 291738064 310806960 342089645 364672580 388746320 410507574 437607096 529666861 547008870 547343432 583119480 684179290 729345160 821015148 875214192 1026268935 1059333722 1094017740 1094686864 1166238960 1368358580 1458690320 1589000583 1642030296 1987465561 2052537870 2118667444 2188035480 2648334305 2736717160 3178001166 3284060592 3974931122 4105075740 4237334888 4376070960 5296668610 5473434320 5962396683 6356002332 7457554261 7945002915 7949862244 8210151480 8474669776 9937327805 10593337220 11924793366 12712004664 14915108522 15890005830 15899724488 16420302960 19874655610 21186674440 22372662783 23849586732 25424009328 29811983415 29830217044 31780011660 31799448976 37287771305 39749311220 42373348880 44745325566 47699173464 59623966830 59660434088 63560023320 74575542610 79498622440 89490651132 95398346928 111863313915 119247933660 119320868176 127120046640 149151085220 158997244880 178981302264 216633746149 223726627830 238495867320 298302170440 357962604528 433267492298 447453255660 476991734640 596604340880 649901238447 812873414449 866534984596 894906511320 1083168730745 1299802476894 1625746828898 1733069969192 1789813022640 2166337461490 2438620243347 2599604953788 3249506192235 3251493657796 3466139938384 4064367072245 4332674922980 4877240486694 5199209907576 6499012384470 6502987315592 8128734144490 8665349845960 9754480973388 10398419815152 12193101216735 12998024768940 13005974631184 16257468288980 17330699691920 19508961946776 24386202433470 25996049537880 32514936577960 39017923893552 48772404866940 51992099075760 65029873155920 88603202174941 97544809733880 177206404349882 195089619467760 265809606524823 354412808699764 443016010874705 531619213049646 708825617399528 886032021749410 1063238426099292 1329048032624115 1417651234799056 1772064043498820 2126476852198584 2658096065248230 3544128086997640 4252953704397168 5316192130496460 7088256173995280 10632384260992920 21264768521985840
- Sum of all divisors σ(n): 66694226126985600
- Sum of proper divisors (its aliquot sum) s(n): 45429457604999760
- 21264768521985840 is an abundant number, because the sum of its proper divisors (45429457604999760) is greater than itself. Its abundance is 24164689083013920
Bases of 21264768521985840
- Binary: 10010111000110000110001101111011111101111011111001100002
- Hexadecimal: 0x4B8C31BDFBDF30
- Base-36: 5TDQBSPXQUO
Squares and roots of 21264768521985840
- 21264768521985840 squared (212647685219858402) is 452190380293639846239457160505600
- 21264768521985840 cubed (212647685219858403) is 9615723764812998703332770760864233771330440704000
-
The
square root of 21264768521985840 is 145824444.1854171443 -
The
cube root of 21264768521985840 is 277047.0646958579
Scales and comparisons
How big is 21264768521985840?- 21,264,768,521,985,840 seconds is equal to 676,153,862 years, 39 weeks, 12 hours, 4 minutes.
-
To count from 1 to 21,264,768,521,985,840 would take you about two billion, twenty-eight million, four hundred sixty-one thousand, five hundred eighty-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 21264768521985840 cubic inches would be around 23087.3 feet tall.
Recreational maths with 21264768521985840
- 21264768521985840 backwards is 04858912586746212
- The number of decimal digits it has is: 17
- The sum of 21264768521985840's digits is 78
- More coming soon!
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