21243846400
21,243,846,400 is an even composite number composed of five prime numbers multiplied together.
21243846400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21243846400:
28 × 52 × 7 × 173 × 2741
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 7 × 173 × 2741)See below for interesting mathematical facts about the number 21243846400 from the Numbermatics database.
Names of 21243846400
- Cardinal: 21243846400 can be written as Twenty-one billion, two hundred forty-three million, eight hundred forty-six thousand, four hundred.
Scientific notation
- Scientific notation: 2.12438464 × 1010
Factors of 21243846400
Divisors of 21243846400
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 128 140 160 173 175 200 224 256 280 320 346 350 400 448 560 640 692 700 800 865 896 1120 1211 1280 1384 1400 1600 1730 1792 2240 2422 2741 2768 2800 3200 3460 4325 4480 4844 5482 5536 5600 6055 6400 6920 8650 8960 9688 10964 11072 11200 12110 13705 13840 17300 19187 19376 21928 22144 22400 24220 27410 27680 30275 34600 38374 38752 43856 44288 44800 48440 54820 55360 60550 68525 69200 76748 77504 87712 95935 96880 109640 110720 121100 137050 138400 153496 155008 175424 191870 193760 219280 221440 242200 274100 276800 306992 310016 350848 383740 387520 438560 474193 479675 484400 548200 553600 613984 701696 767480 775040 877120 948386 959350 968800 1096400 1107200 1227968 1534960 1550080 1754240 1896772 1918700 1937600 2192800 2370965 2455936 3069920 3319351 3508480 3793544 3837400 3875200 4385600 4741930 4911872 6139840 6638702 7587088 7674800 7750400 8771200 9483860 11854825 12279680 13277404 15174176 15349600 16596755 17542400 18967720 23709650 24559360 26554808 30348352 30699200 33193510 37935440 47419300 53109616 60696704 61398400 66387020 75870880 82983775 94838600 106219232 121393408 122796800 132774040 151741760 165967550 189677200 212438464 265548080 303483520 331935100 379354400 424876928 531096160 606967040 663870200 758708800 849753856 1062192320 1327740400 1517417600 2124384640 2655480800 3034835200 4248769280 5310961600 10621923200 21243846400
- Sum of all divisors σ(n): 60462942624
- Sum of proper divisors (its aliquot sum) s(n): 39219096224
- 21243846400 is an abundant number, because the sum of its proper divisors (39219096224) is greater than itself. Its abundance is 17975249824
Bases of 21243846400
- Binary: 100111100100011101101011111000000002
- Hexadecimal: 0x4F23B5F00
- Base-36: 9RC1CSG
Squares and roots of 21243846400
- 21243846400 squared (212438464002) is 451301009866792960000
- 21243846400 cubed (212438464003) is 9587369333775034102841344000000
-
The
square root of 21243846400 is 145752.6891690167 -
The
cube root of 21243846400 is 2769.5617391061
Scales and comparisons
How big is 21243846400?- 21,243,846,400 seconds is equal to 675 years, 25 weeks, 2 days, 20 hours, 26 minutes, 40 seconds.
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To count from 1 to 21,243,846,400 would take you about one thousand, three hundred fifty 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 21243846400 cubic inches would be around 230.8 feet tall.
Recreational maths with 21243846400
- 21243846400 backwards is 00464834212
- The number of decimal digits it has is: 11
- The sum of 21243846400's digits is 34
- More coming soon!
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