21121385472
21,121,385,472 is an even composite number composed of five prime numbers multiplied together.
21121385472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred fifty-two divisors.
Prime factorization of 21121385472:
210 × 33 × 11 × 37 × 1877
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 11 × 37 × 1877)See below for interesting mathematical facts about the number 21121385472 from the Numbermatics database.
Names of 21121385472
- Cardinal: 21121385472 can be written as Twenty-one billion, one hundred twenty-one million, three hundred eighty-five thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1121385472 × 1010
Factors of 21121385472
Divisors of 21121385472
- Number of divisors d(n): 352
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 37 44 48 54 64 66 72 74 88 96 99 108 111 128 132 144 148 176 192 198 216 222 256 264 288 296 297 333 352 384 396 407 432 444 512 528 576 592 594 666 704 768 792 814 864 888 999 1024 1056 1152 1184 1188 1221 1332 1408 1536 1584 1628 1728 1776 1877 1998 2112 2304 2368 2376 2442 2664 2816 3072 3168 3256 3456 3552 3663 3754 3996 4224 4608 4736 4752 4884 5328 5631 5632 6336 6512 6912 7104 7326 7508 7992 8448 9216 9472 9504 9768 10656 10989 11262 11264 12672 13024 13824 14208 14652 15016 15984 16893 16896 18944 19008 19536 20647 21312 21978 22524 25344 26048 27648 28416 29304 30032 31968 33786 33792 37888 38016 39072 41294 42624 43956 45048 50679 50688 52096 56832 58608 60064 61941 63936 67572 69449 76032 78144 82588 85248 87912 90096 101358 101376 104192 113664 117216 120128 123882 127872 135144 138898 152064 156288 165176 170496 175824 180192 185823 202716 208347 208384 234432 240256 247764 255744 270288 277796 304128 312576 330352 340992 351648 360384 371646 405432 416694 416768 468864 480512 495528 511488 540576 555592 557469 625041 625152 660704 703296 720768 743292 763939 810864 833388 937728 961024 991056 1022976 1081152 1111184 1114938 1250082 1250304 1321408 1406592 1441536 1486584 1527878 1621728 1666776 1875123 1875456 1922048 1982112 2162304 2222368 2229876 2291817 2500164 2642816 2813184 2883072 2973168 3055756 3243456 3333552 3750246 3750912 3964224 4324608 4444736 4459752 4583634 5000328 5285632 5626368 5766144 5946336 6111512 6486912 6667104 6875451 7500492 7928448 8649216 8889472 8919504 9167268 10000656 10571264 11252736 11892672 12223024 12973824 13334208 13750902 15000984 15856896 17298432 17778944 17839008 18334536 20001312 20626353 21142528 23785344 24446048 25947648 26668416 27501804 30001968 31713792 35557888 35678016 36669072 40002624 41252706 47570688 48892096 51895296 53336832 55003608 60003936 63427584 71115776 71356032 73338144 80005248 82505412 95141376 97784192 106673664 110007216 120007872 142712064 146676288 160010496 165010824 190282752 195568384 213347328 220014432 240015744 285424128 293352576 320020992 330021648 391136768 440028864 480031488 570848256 586705152 640041984 660043296 782273536 880057728 960062976 1173410304 1320086592 1760115456 1920125952 2346820608 2640173184 3520230912 5280346368 7040461824 10560692736 21121385472
- Sum of all divisors σ(n): 70119411840
- Sum of proper divisors (its aliquot sum) s(n): 48998026368
- 21121385472 is an abundant number, because the sum of its proper divisors (48998026368) is greater than itself. Its abundance is 27876640896
Bases of 21121385472
- Binary: 100111010101110111011000100000000002
- Hexadecimal: 0x4EAEEC400
- Base-36: 9PB4LC0
Squares and roots of 21121385472
- 21121385472 squared (211213854722) is 446112924256812662784
- 21121385472 cubed (211213854723) is 9422523037269279372751612674048
-
The
square root of 21121385472 is 145331.9836512253 -
The
cube root of 21121385472 is 2764.2297338513
Scales and comparisons
How big is 21121385472?- 21,121,385,472 seconds is equal to 671 years, 30 weeks, 6 days, 11 hours, 31 minutes, 12 seconds.
-
To count from 1 to 21,121,385,472 would take you about one thousand, three hundred forty-three 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 21121385472 cubic inches would be around 230.4 feet tall.
Recreational maths with 21121385472
- 21121385472 backwards is 27458312112
- 21121385472 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21121385472's digits is 36
- More coming soon!
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The information we have on file for 21121385472 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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