21328199424
21,328,199,424 is an even composite number composed of four prime numbers multiplied together.
21328199424 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 21328199424:
28 × 35 × 72 × 6997
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 6997)See below for interesting mathematical facts about the number 21328199424 from the Numbermatics database.
Names of 21328199424
- Cardinal: 21328199424 can be written as Twenty-one billion, three hundred twenty-eight million, one hundred ninety-nine thousand, four hundred twenty-four.
Scientific notation
- Scientific notation: 2.1328199424 × 1010
Factors of 21328199424
Divisors of 21328199424
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 128 144 147 162 168 189 192 196 216 224 243 252 256 288 294 324 336 378 384 392 432 441 448 486 504 567 576 588 648 672 756 768 784 864 882 896 972 1008 1134 1152 1176 1296 1323 1344 1512 1568 1701 1728 1764 1792 1944 2016 2268 2304 2352 2592 2646 2688 3024 3136 3402 3456 3528 3888 3969 4032 4536 4704 5184 5292 5376 6048 6272 6804 6912 6997 7056 7776 7938 8064 9072 9408 10368 10584 11907 12096 12544 13608 13994 14112 15552 15876 16128 18144 18816 20736 20991 21168 23814 24192 27216 27988 28224 31104 31752 36288 37632 41982 42336 47628 48384 48979 54432 55976 56448 62208 62973 63504 72576 83964 84672 95256 97958 108864 111952 112896 125946 127008 145152 146937 167928 169344 188919 190512 195916 217728 223904 251892 254016 293874 335856 338688 342853 377838 381024 391832 435456 440811 447808 503784 508032 566757 587748 671712 685706 755676 762048 783664 881622 895616 1007568 1016064 1028559 1133514 1175496 1322433 1343424 1371412 1511352 1524096 1567328 1700271 1763244 1791232 2015136 2057118 2267028 2350992 2644866 2686848 2742824 3022704 3048192 3085677 3134656 3400542 3526488 3967299 4030272 4114236 4534056 4701984 5289732 5373696 5485648 6045408 6171354 6269312 6801084 7052976 7934598 8060544 8228472 9068112 9257031 9403968 10579464 10971296 11901897 12090816 12342708 12538624 13602168 14105952 15869196 16121088 16456944 18136224 18514062 18807936 21158928 21942592 23803794 24181632 24685416 27204336 27771093 28211904 31738392 32913888 36272448 37028124 37615872 42317856 43885184 47607588 48363264 49370832 54408672 55542186 56423808 63476784 65827776 72544896 74056248 83313279 84635712 87770368 95215176 98741664 108817344 111084372 112847616 126953568 131655552 145089792 148112496 166626558 169271424 190430352 197483328 217634688 222168744 253907136 263311104 296224992 333253116 338542848 380860704 394966656 435269376 444337488 507814272 592449984 666506232 761721408 789933312 888674976 1015628544 1184899968 1333012464 1523442816 1777349952 2369799936 2666024928 3046885632 3554699904 5332049856 7109399808 10664099712 21328199424
- Sum of all divisors σ(n): 74194391544
- Sum of proper divisors (its aliquot sum) s(n): 52866192120
- 21328199424 is an abundant number, because the sum of its proper divisors (52866192120) is greater than itself. Its abundance is 31537992696
Bases of 21328199424
- Binary: 100111101110100001001111111000000002
- Hexadecimal: 0x4F7427F00
- Base-36: 9SQ9C00
Squares and roots of 21328199424
- 21328199424 squared (213281994242) is 454892090669913931776
- 21328199424 cubed (213281994243) is 9702029226208214093834458497024
-
The
square root of 21328199424 is 146041.7728733803 -
The
cube root of 21328199424 is 2773.2226011837
Scales and comparisons
How big is 21328199424?- 21,328,199,424 seconds is equal to 678 years, 8 weeks, 6 days, 3 hours, 50 minutes, 24 seconds.
-
To count from 1 to 21,328,199,424 would take you about one thousand, three hundred fifty-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 21328199424 cubic inches would be around 231.1 feet tall.
Recreational maths with 21328199424
- 21328199424 backwards is 42499182312
- The number of decimal digits it has is: 11
- The sum of 21328199424's digits is 45
- More coming soon!
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