21276538400
21,276,538,400 is an even composite number composed of five prime numbers multiplied together.
21276538400 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 21276538400:
25 × 52 × 13 × 109 × 1372
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 13 × 109 × 137 × 137)See below for interesting mathematical facts about the number 21276538400 from the Numbermatics database.
Names of 21276538400
- Cardinal: 21276538400 can be written as Twenty-one billion, two hundred seventy-six million, five hundred thirty-eight thousand, four hundred.
Scientific notation
- Scientific notation: 2.12765384 × 1010
Factors of 21276538400
Divisors of 21276538400
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 109 130 137 160 200 208 218 260 274 325 400 416 436 520 545 548 650 685 800 872 1040 1090 1096 1300 1370 1417 1744 1781 2080 2180 2192 2600 2725 2740 2834 3425 3488 3562 4360 4384 5200 5450 5480 5668 6850 7085 7124 8720 8905 10400 10900 10960 11336 13700 14170 14248 14933 17440 17810 18769 21800 21920 22672 27400 28340 28496 29866 35425 35620 37538 43600 44525 45344 54800 56680 56992 59732 70850 71240 74665 75076 87200 89050 93845 109600 113360 119464 141700 142480 149330 150152 178100 187690 194129 226720 238928 243997 283400 284960 298660 300304 356200 373325 375380 388258 469225 477856 487994 566800 597320 600608 712400 746650 750760 776516 938450 970645 975988 1133600 1194640 1219985 1424800 1493300 1501520 1553032 1876900 1941290 1951976 2045821 2389280 2439970 2986600 3003040 3106064 3753800 3882580 3903952 4091642 4853225 4879940 5973200 6099925 6212128 7507600 7765160 7807904 8183284 9706450 9759880 10229105 11946400 12199850 15015200 15530320 16366568 19412900 19519760 20458210 24399700 26595673 31060640 32733136 38825800 39039520 40916420 48799400 51145525 53191346 65466272 77651600 81832840 97598800 102291050 106382692 132978365 155303200 163665680 195197600 204582100 212765384 265956730 327331360 409164200 425530768 531913460 664891825 818328400 851061536 1063826920 1329783650 1636656800 2127653840 2659567300 4255307680 5319134600 10638269200 21276538400
- Sum of all divisors σ(n): 56865071340
- Sum of proper divisors (its aliquot sum) s(n): 35588532940
- 21276538400 is an abundant number, because the sum of its proper divisors (35588532940) is greater than itself. Its abundance is 14311994540
Bases of 21276538400
- Binary: 100111101000010111000110110001000002
- Hexadecimal: 0x4F42E3620
- Base-36: 9RVI23K
Squares and roots of 21276538400
- 21276538400 squared (212765384002) is 452691086286674560000
- 21276538400 cubed (212765384003) is 9631699280716144684143104000000
-
The
square root of 21276538400 is 145864.7949300995 -
The
cube root of 21276538400 is 2770.9816970749
Scales and comparisons
How big is 21276538400?- 21,276,538,400 seconds is equal to 676 years, 27 weeks, 3 days, 5 hours, 33 minutes, 20 seconds.
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To count from 1 to 21,276,538,400 would take you about one thousand, three hundred fifty-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 21276538400 cubic inches would be around 230.9 feet tall.
Recreational maths with 21276538400
- 21276538400 backwards is 00483567212
- The number of decimal digits it has is: 11
- The sum of 21276538400's digits is 38
- More coming soon!
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