21378590040
21,378,590,040 is an even composite number composed of six prime numbers multiplied together.
21378590040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21378590040:
23 × 3 × 5 × 172 × 292 × 733
(2 × 2 × 2 × 3 × 5 × 17 × 17 × 29 × 29 × 733)See below for interesting mathematical facts about the number 21378590040 from the Numbermatics database.
Names of 21378590040
- Cardinal: 21378590040 can be written as Twenty-one billion, three hundred seventy-eight million, five hundred ninety thousand and forty.
Scientific notation
- Scientific notation: 2.137859004 × 1010
Factors of 21378590040
Divisors of 21378590040
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 17 20 24 29 30 34 40 51 58 60 68 85 87 102 116 120 136 145 170 174 204 232 255 289 290 340 348 408 435 493 510 578 580 680 696 733 841 867 870 986 1020 1156 1160 1445 1466 1479 1682 1734 1740 1972 2040 2199 2312 2465 2523 2890 2932 2958 3364 3468 3480 3665 3944 4205 4335 4398 4930 5046 5780 5864 5916 6728 6936 7330 7395 8381 8410 8670 8796 9860 10092 10995 11560 11832 12461 12615 14297 14660 14790 16762 16820 17340 17592 19720 20184 21257 21990 24922 25143 25230 28594 29320 29580 33524 33640 34680 37383 41905 42514 42891 43980 49844 50286 50460 57188 59160 62305 63771 67048 71485 74766 83810 85028 85782 87960 99688 100572 100920 106285 114376 124610 125715 127542 142970 149532 167620 170056 171564 186915 201144 211837 212570 214455 243049 249220 251430 255084 285940 299064 318855 335240 343128 361369 373830 423674 425140 428910 486098 498440 502860 510168 571880 616453 635511 637710 722738 729147 747660 847348 850280 857820 972196 1005720 1059185 1084107 1215245 1232906 1271022 1275420 1445476 1458294 1495320 1694696 1715640 1806845 1849359 1944392 2118370 2168214 2430490 2465812 2542044 2550840 2890952 2916588 3082265 3177555 3613690 3645735 3698718 4236740 4336428 4860980 4931624 5084088 5420535 5833176 6143273 6164530 6355110 7227380 7291470 7397436 8473480 8672856 9246795 9721960 10479701 10841070 12286546 12329060 12710220 14454760 14582940 14794872 18429819 18493590 20959402 21682140 24573092 24658120 25420440 29165880 30716365 31439103 36859638 36987180 41918804 43364280 49146184 52398505 61432730 62878206 73719276 73974360 83837608 92149095 104797010 122865460 125756412 147438552 157195515 178154917 184298190 209594020 245730920 251512824 314391030 356309834 368596380 419188040 534464751 628782060 712619668 737192760 890774585 1068929502 1257564120 1425239336 1781549170 2137859004 2672323755 3563098340 4275718008 5344647510 7126196680 10689295020 21378590040
- Sum of all divisors σ(n): 70656983280
- Sum of proper divisors (its aliquot sum) s(n): 49278393240
- 21378590040 is an abundant number, because the sum of its proper divisors (49278393240) is greater than itself. Its abundance is 27899803200
Bases of 21378590040
- Binary: 100111110100100001101100101010110002
- Hexadecimal: 0x4FA436558
- Base-36: 9TK9DNC
Squares and roots of 21378590040
- 21378590040 squared (213785900402) is 457044112098387201600
- 21378590040 cubed (213785900403) is 9770958702747224128189232064000
-
The
square root of 21378590040 is 146214.1923343969 -
The
cube root of 21378590040 is 2775.4049151853
Scales and comparisons
How big is 21378590040?- 21,378,590,040 seconds is equal to 679 years, 40 weeks, 1 day, 9 hours, 14 minutes.
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To count from 1 to 21,378,590,040 would take you about one thousand, three hundred fifty-nine 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 21378590040 cubic inches would be around 231.3 feet tall.
Recreational maths with 21378590040
- 21378590040 backwards is 04009587312
- The number of decimal digits it has is: 11
- The sum of 21378590040's digits is 39
- More coming soon!
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