21387450240
21,387,450,240 is an even composite number composed of six prime numbers multiplied together.
21387450240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21387450240:
27 × 32 × 5 × 132 × 127 × 173
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 13 × 127 × 173)See below for interesting mathematical facts about the number 21387450240 from the Numbermatics database.
Names of 21387450240
- Cardinal: 21387450240 can be written as Twenty-one billion, three hundred eighty-seven million, four hundred fifty thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.138745024 × 1010
Factors of 21387450240
Divisors of 21387450240
- Number of divisors d(n): 576
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 127 128 130 144 156 160 169 173 180 192 195 208 234 240 254 260 288 312 320 338 346 360 381 384 390 416 468 480 507 508 519 520 576 585 624 635 640 676 692 720 762 780 832 845 865 936 960 1014 1016 1038 1040 1143 1152 1170 1248 1270 1352 1384 1440 1521 1524 1557 1560 1651 1664 1690 1730 1872 1905 1920 2028 2032 2076 2080 2249 2286 2340 2496 2535 2540 2595 2704 2768 2880 3042 3048 3114 3120 3302 3380 3460 3744 3810 4056 4064 4152 4160 4498 4572 4680 4953 4992 5070 5080 5190 5408 5536 5715 5760 6084 6096 6228 6240 6604 6747 6760 6920 7488 7605 7620 7785 8112 8128 8255 8304 8320 8996 9144 9360 9906 10140 10160 10380 10816 11072 11245 11430 12168 12192 12456 12480 13208 13494 13520 13840 14859 14976 15210 15240 15570 16224 16256 16510 16608 17992 18288 18720 19812 20241 20280 20320 20760 21463 21632 21971 22144 22490 22860 24336 24384 24765 24912 24960 26416 26988 27040 27680 29237 29718 30420 30480 31140 32448 33020 33216 33735 35984 36576 37440 39624 40482 40560 40640 41520 42926 43942 44980 45720 48672 48768 49530 49824 52832 53976 54080 55360 58474 59436 60840 60960 62280 64389 64896 65913 66040 66432 67470 71968 73152 74295 74880 79248 80964 81120 81280 83040 85852 87711 87884 89960 91440 97344 99060 99648 101205 105664 107315 107952 108160 109855 110720 116948 118872 121680 121920 124560 128778 131826 132080 134940 143936 146185 146304 148590 158496 161928 162240 166080 171704 175422 175768 179920 182880 193167 194688 197739 198120 199296 202410 211328 214630 215904 219710 233896 237744 243360 243840 249120 257556 263133 263652 264160 269880 285623 287872 292370 297180 316992 321945 323856 324480 329565 332160 343408 350844 351536 359840 365760 386334 395478 396240 404820 429260 431808 438555 439420 467792 475488 486720 498240 515112 526266 527304 528320 539760 571246 584740 594360 633984 643890 647712 659130 686816 701688 703072 719680 731520 772668 790956 792480 809640 856869 858520 863616 877110 878840 935584 950976 965835 973440 988695 996480 1030224 1052532 1054608 1056640 1079520 1142492 1169480 1188720 1287780 1295424 1315665 1318260 1373632 1403376 1406144 1428115 1439360 1545336 1581912 1584960 1619280 1713738 1717040 1754220 1757680 1871168 1901952 1931670 1977390 2060448 2105064 2109216 2159040 2284984 2338960 2377440 2570607 2575560 2590848 2631330 2636520 2747264 2806752 2812288 2856230 3090672 3163824 3169920 3238560 3427476 3434080 3508440 3515360 3713099 3742336 3863340 3954780 4120896 4210128 4218432 4284345 4318080 4569968 4677920 4754880 5141214 5151120 5262660 5273040 5613504 5712460 6181344 6327648 6477120 6854952 6868160 7016880 7030720 7426198 7726680 7909560 8241792 8420256 8436864 8568690 9139936 9355840 9509760 10282428 10302240 10525320 10546080 11139297 11227008 11424920 12362688 12655296 12853035 12954240 13709904 13736320 14033760 14061440 14852396 15453360 15819120 16840512 17137380 18279872 18565495 18711680 20564856 20604480 21050640 21092160 22278594 22849840 24725376 25310592 25706070 27419808 28067520 29704792 30906720 31638240 33417891 33681024 34274760 36559744 37130990 41129712 41208960 42101280 42184320 44557188 45699680 51412140 54839616 55696485 56135040 59409584 61813440 63276480 66835782 68549520 74261980 82259424 84202560 89114376 91399360 102824280 109679232 111392970 118819168 123626880 126552960 133671564 137099040 148523960 164518848 167089455 168405120 178228752 182798720 205648560 222785940 237638336 267343128 274198080 297047920 329037696 334178910 356457504 411297120 445571880 475276672 534686256 548396160 594095840 668357820 712915008 822594240 891143760 1069372512 1188191680 1336715640 1425830016 1645188480 1782287520 2138745024 2376383360 2673431280 3564575040 4277490048 5346862560 7129150080 10693725120 21387450240
- Sum of all divisors σ(n): 81067184640
- Sum of proper divisors (its aliquot sum) s(n): 59679734400
- 21387450240 is an abundant number, because the sum of its proper divisors (59679734400) is greater than itself. Its abundance is 38292284160
Bases of 21387450240
- Binary: 100111110101100101010010111100000002
- Hexadecimal: 0x4FACA9780
- Base-36: 9TPJA80
Squares and roots of 21387450240
- 21387450240 squared (213874502402) is 457423027768476057600
- 21387450240 cubed (213874502403) is 9783112245028419922551373824000
-
The
square root of 21387450240 is 146244.4878961255 -
The
cube root of 21387450240 is 2775.7882776401
Scales and comparisons
How big is 21387450240?- 21,387,450,240 seconds is equal to 680 years, 2 weeks, 5 days, 22 hours, 24 minutes.
-
To count from 1 to 21,387,450,240 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 21387450240 cubic inches would be around 231.3 feet tall.
Recreational maths with 21387450240
- 21387450240 backwards is 04205478312
- 21387450240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21387450240's digits is 36
- More coming soon!
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The information we have on file for 21387450240 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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