21389672448
21,389,672,448 is an even composite number composed of five prime numbers multiplied together.
21389672448 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21389672448:
215 × 32 × 29 × 41 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 29 × 41 × 61)See below for interesting mathematical facts about the number 21389672448 from the Numbermatics database.
Names of 21389672448
- Cardinal: 21389672448 can be written as Twenty-one billion, three hundred eighty-nine million, six hundred seventy-two thousand, four hundred forty-eight.
Scientific notation
- Scientific notation: 2.1389672448 × 1010
Factors of 21389672448
Divisors of 21389672448
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 29 32 36 41 48 58 61 64 72 82 87 96 116 122 123 128 144 164 174 183 192 232 244 246 256 261 288 328 348 366 369 384 464 488 492 512 522 549 576 656 696 732 738 768 928 976 984 1024 1044 1098 1152 1189 1312 1392 1464 1476 1536 1769 1856 1952 1968 2048 2088 2196 2304 2378 2501 2624 2784 2928 2952 3072 3538 3567 3712 3904 3936 4096 4176 4392 4608 4756 5002 5248 5307 5568 5856 5904 6144 7076 7134 7424 7503 7808 7872 8192 8352 8784 9216 9512 10004 10496 10614 10701 11136 11712 11808 12288 14152 14268 14848 15006 15616 15744 15921 16384 16704 17568 18432 19024 20008 20992 21228 21402 22272 22509 23424 23616 24576 28304 28536 29696 30012 31232 31488 31842 32768 33408 35136 36864 38048 40016 41984 42456 42804 44544 45018 46848 47232 49152 56608 57072 59392 60024 62464 62976 63684 66816 70272 72529 73728 76096 80032 83968 84912 85608 89088 90036 93696 94464 98304 113216 114144 118784 120048 124928 125952 127368 133632 140544 145058 147456 152192 160064 167936 169824 171216 178176 180072 187392 188928 217587 226432 228288 237568 240096 249856 251904 254736 267264 281088 290116 294912 304384 320128 335872 339648 342432 356352 360144 374784 377856 435174 452864 456576 475136 480192 499712 503808 509472 534528 562176 580232 608768 640256 652761 671744 679296 684864 712704 720288 749568 755712 870348 905728 913152 950272 960384 999424 1007616 1018944 1069056 1124352 1160464 1217536 1280512 1305522 1343488 1358592 1369728 1425408 1440576 1499136 1511424 1740696 1811456 1826304 1920768 1998848 2015232 2037888 2138112 2248704 2320928 2435072 2561024 2611044 2717184 2739456 2850816 2881152 2998272 3022848 3481392 3622912 3652608 3841536 4030464 4075776 4276224 4497408 4641856 4870144 5122048 5222088 5434368 5478912 5762304 5996544 6045696 6962784 7245824 7305216 7683072 8151552 8552448 8994816 9283712 9740288 10244096 10444176 10868736 10957824 11524608 12091392 13925568 14491648 14610432 15366144 16303104 17989632 18567424 19480576 20488192 20888352 21737472 21915648 23049216 27851136 28983296 29220864 30732288 32606208 37134848 38961152 40976384 41776704 43474944 43831296 46098432 55702272 57966592 58441728 61464576 65212416 74269696 81952768 83553408 86949888 87662592 92196864 111404544 116883456 122929152 130424832 148539392 167106816 173899776 175325184 184393728 222809088 245858304 260849664 297078784 334213632 350650368 368787456 445618176 521699328 594157568 668427264 737574912 891236352 1188315136 1336854528 1782472704 2376630272 2673709056 3564945408 5347418112 7129890816 10694836224 21389672448
- Sum of all divisors σ(n): 66554724600
- Sum of proper divisors (its aliquot sum) s(n): 45165052152
- 21389672448 is an abundant number, because the sum of its proper divisors (45165052152) is greater than itself. Its abundance is 23775379704
Bases of 21389672448
- Binary: 100111110101110110010000000000000002
- Hexadecimal: 0x4FAEC8000
- Base-36: 9TQUWW0
Squares and roots of 21389672448
- 21389672448 squared (213896724482) is 457518087432730312704
- 21389672448 cubed (213896724483) is 9786162029221526623059173179392
-
The
square root of 21389672448 is 146252.0852774415 -
The
cube root of 21389672448 is 2775.8844113577
Scales and comparisons
How big is 21389672448?- 21,389,672,448 seconds is equal to 680 years, 6 weeks, 3 days, 15 hours, 40 minutes, 48 seconds.
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To count from 1 to 21,389,672,448 would take you about one thousand, three hundred sixty 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 21389672448 cubic inches would be around 231.3 feet tall.
Recreational maths with 21389672448
- 21389672448 backwards is 84427698312
- The number of decimal digits it has is: 11
- The sum of 21389672448's digits is 54
- More coming soon!
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The information we have on file for 21389672448 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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