21387843750
21,387,843,750 is an even composite number composed of seven prime numbers multiplied together.
21387843750 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 21387843750:
2 × 3 × 56 × 7 × 13 × 23 × 109
(2 × 3 × 5 × 5 × 5 × 5 × 5 × 5 × 7 × 13 × 23 × 109)See below for interesting mathematical facts about the number 21387843750 from the Numbermatics database.
Names of 21387843750
- Cardinal: 21387843750 can be written as Twenty-one billion, three hundred eighty-seven million, eight hundred forty-three thousand, seven hundred fifty.
Scientific notation
- Scientific notation: 2.138784375 × 1010
Factors of 21387843750
Divisors of 21387843750
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 5 6 7 10 13 14 15 21 23 25 26 30 35 39 42 46 50 65 69 70 75 78 91 105 109 115 125 130 138 150 161 175 182 195 210 218 230 250 273 299 322 325 327 345 350 375 390 455 483 525 545 546 575 598 625 650 654 690 750 763 805 875 897 910 966 975 1050 1090 1150 1250 1365 1417 1495 1526 1610 1625 1635 1725 1750 1794 1875 1950 2093 2275 2289 2415 2507 2625 2725 2730 2834 2875 2990 3125 3250 3270 3450 3750 3815 4025 4186 4251 4375 4485 4550 4578 4830 4875 5014 5250 5450 5750 6250 6279 6825 7085 7475 7521 7630 8050 8125 8175 8502 8625 8750 8970 9375 9750 9919 10465 11375 11445 12075 12535 12558 13125 13625 13650 14170 14375 14950 15042 15625 16250 16350 17250 17549 18750 19075 19838 20125 20930 21255 21875 22425 22750 22890 24150 24375 25070 26250 27250 28750 29757 31250 31395 32591 34125 35098 35425 37375 37605 38150 40250 40625 40875 42510 43125 43750 44850 46875 48750 49595 52325 52647 56875 57225 59514 60375 62675 62790 65182 65625 68125 68250 70850 71875 74750 75210 81250 81750 86250 87745 93750 95375 97773 99190 100625 104650 105294 106275 109375 112125 113750 114450 120750 121875 125350 131250 136250 143750 148785 156975 162955 170625 175490 177125 186875 188025 190750 195546 201250 203125 204375 212550 215625 218750 224250 228137 243750 247975 261625 263235 284375 286125 297570 301875 313375 313950 325910 328125 340625 341250 354250 359375 373750 376050 406250 408750 431250 438725 456274 476875 488865 495950 503125 523250 526470 531375 560625 568750 572250 603750 609375 626750 656250 681250 684411 718750 743925 784875 814775 853125 877450 885625 934375 940125 953750 977730 1006250 1021875 1062750 1078125 1121250 1140685 1218750 1239875 1308125 1316175 1368822 1421875 1430625 1487850 1509375 1566875 1569750 1629550 1703125 1706250 1771250 1868750 1880250 2043750 2156250 2193625 2281370 2384375 2444325 2479750 2515625 2616250 2632350 2656875 2803125 2843750 2861250 3018750 3133750 3406250 3422055 3719625 3924375 4073875 4265625 4387250 4428125 4671875 4700625 4768750 4888650 5031250 5109375 5313750 5606250 5703425 6199375 6540625 6580875 6844110 7153125 7439250 7546875 7834375 7848750 8147750 8531250 8856250 9343750 9401250 10218750 10968125 11406850 11921875 12221625 12398750 13081250 13161750 13284375 14015625 14306250 15093750 15668750 17110275 18598125 19621875 20369375 21936250 22140625 23503125 23843750 24443250 26568750 28031250 28517125 30996875 32703125 32904375 34220550 35765625 37196250 39171875 39243750 40738750 44281250 47006250 54840625 57034250 61108125 61993750 65406250 65808750 66421875 71531250 78343750 85551375 92990625 98109375 101846875 109681250 117515625 122216250 132843750 142585625 154984375 164521875 171102750 185981250 196218750 203693750 235031250 274203125 285171250 305540625 309968750 329043750 427756875 464953125 509234375 548406250 611081250 712928125 822609375 855513750 929906250 1018468750 1425856250 1527703125 1645218750 2138784375 3055406250 3564640625 4277568750 7129281250 10693921875 21387843750
- Sum of all divisors σ(n): 69299112960
- Sum of proper divisors (its aliquot sum) s(n): 47911269210
- 21387843750 is an abundant number, because the sum of its proper divisors (47911269210) is greater than itself. Its abundance is 26523425460
Bases of 21387843750
- Binary: 100111110101101000010011000101001102
- Hexadecimal: 0x4FAD098A6
- Base-36: 9TPRPUU
Squares and roots of 21387843750
- 21387843750 squared (213878437502) is 457439860274414062500
- 21387843750 cubed (213878437503) is 9783652256571000091552734375000
-
The
square root of 21387843750 is 146245.8332739775 -
The
cube root of 21387843750 is 2775.8053015449
Scales and comparisons
How big is 21387843750?- 21,387,843,750 seconds is equal to 680 years, 3 weeks, 3 days, 11 hours, 42 minutes, 30 seconds.
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To count from 1 to 21,387,843,750 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 21387843750 cubic inches would be around 231.3 feet tall.
Recreational maths with 21387843750
- 21387843750 backwards is 05734878312
- The number of decimal digits it has is: 11
- The sum of 21387843750's digits is 48
- More coming soon!
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The information we have on file for 21387843750 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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