21398382400
21,398,382,400 is an even composite number composed of six prime numbers multiplied together.
What does the number 21398382400 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 336 divisors.
21398382400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21398382400:
26 × 52 × 31 × 43 × 79 × 127
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 31 × 43 × 79 × 127)See below for interesting mathematical facts about the number 21398382400 from the Numbermatics database.
Names of 21398382400
- Cardinal: 21398382400 can be written as Twenty-one billion, three hundred ninety-eight million, three hundred eighty-two thousand, four hundred.
Scientific notation
- Scientific notation: 2.13983824 × 1010
Factors of 21398382400
Divisors of 21398382400
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 31 32 40 43 50 62 64 79 80 86 100 124 127 155 158 160 172 200 215 248 254 310 316 320 344 395 400 430 496 508 620 632 635 688 775 790 800 860 992 1016 1075 1240 1264 1270 1333 1376 1550 1580 1600 1720 1975 1984 2032 2150 2449 2480 2528 2540 2666 2752 3100 3160 3175 3397 3440 3937 3950 4064 4300 4898 4960 5056 5080 5332 5461 6200 6320 6350 6665 6794 6880 7874 7900 8128 8600 9796 9920 10033 10160 10664 10922 12245 12400 12640 12700 13330 13588 13760 15748 15800 16985 17200 19592 19685 20066 20320 21328 21844 24490 24800 25280 25400 26660 27176 27305 31496 31600 33325 33970 34400 39184 39370 40132 40640 42656 43688 48980 49600 50165 50800 53320 54352 54610 61225 62992 63200 66650 67940 68800 78368 78740 80264 84925 85312 87376 97960 98425 100330 101600 105307 106640 108704 109220 122450 125984 126400 133300 135880 136525 156736 157480 160528 169291 169850 174752 195920 196850 200660 203200 210614 213280 217408 218440 244900 250825 251968 266600 271760 273050 311023 314960 321056 338582 339700 349504 391840 393700 401320 421228 426560 431419 436880 489800 501650 526535 533200 543520 546100 622046 629920 642112 677164 679400 783680 787400 802640 842456 846455 862838 873760 979600 1003300 1053070 1066400 1087040 1092200 1244092 1259840 1354328 1358800 1555115 1574800 1605280 1684912 1692910 1725676 1747520 1959200 2006600 2106140 2132800 2157095 2184400 2488184 2632675 2708656 2717600 3110230 3149600 3210560 3369824 3385820 3451352 3918400 4013200 4212280 4232275 4314190 4368800 4976368 5265350 5417312 5435200 6220460 6299200 6739648 6771640 6902704 7775575 8026400 8424560 8464550 8628380 8737600 9952736 10530700 10785475 10834624 12440920 13373989 13543280 13805408 15551150 16052800 16849120 16929100 17256760 19905472 21061400 21570950 24881840 26747978 27086560 27610816 31102300 33698240 33858200 34513520 42122800 43141900 49763680 53495956 54173120 62204600 66869945 67716400 69027040 84245600 86283800 99527360 106991912 124409200 133739890 135432800 138054080 168491200 172567600 213983824 248818400 267479780 270865600 334349725 345135200 427967648 497636800 534959560 668699450 690270400 855935296 1069919120 1337398900 2139838240 2674797800 4279676480 5349595600 10699191200 21398382400
- Sum of all divisors σ(n): 56763351040
- Sum of proper divisors (its aliquot sum) s(n): 35364968640
- 21398382400 is an abundant number, because the sum of its proper divisors (35364968640) is greater than itself. Its abundance is 13966586240
Bases of 21398382400
- Binary: 100111110110111000101100111010000002
- Hexadecimal: 0x4FB716740
- Base-36: 9TW1LJ4
Squares and roots of 21398382400
- 21398382400 squared (213983824002) is 457890769336629760000
- 21398382400 cubed (213983824003) is 9798121779695397931700224000000
-
The
square root of 21398382400 is 146281.8594358165 -
The
cube root of 21398382400 is 2776.2611436181
Scales and comparisons
How big is 21398382400?- 21,398,382,400 seconds is equal to 680 years, 20 weeks, 6 days, 11 hours, 6 minutes, 40 seconds.
-
To count from 1 to 21,398,382,400 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 21398382400 cubic inches would be around 231.4 feet tall.
Recreational maths with 21398382400
- 21398382400 backwards is 00428389312
- 21398382400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21398382400's digits is 40
- More coming soon!
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