21010317840
21,010,317,840 is an even composite number composed of six prime numbers multiplied together.
21010317840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 21010317840:
24 × 34 × 5 × 23 × 61 × 2311
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 23 × 61 × 2311)See below for interesting mathematical facts about the number 21010317840 from the Numbermatics database.
Names of 21010317840
- Cardinal: 21010317840 can be written as Twenty-one billion, ten million, three hundred seventeen thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.101031784 × 1010
Factors of 21010317840
Divisors of 21010317840
- Number of divisors d(n): 400
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 27 30 36 40 45 46 48 54 60 61 69 72 80 81 90 92 108 115 120 122 135 138 144 162 180 183 184 207 216 230 240 244 270 276 305 324 345 360 366 368 405 414 432 460 488 540 549 552 610 621 648 690 720 732 810 828 915 920 976 1035 1080 1098 1104 1220 1242 1296 1380 1403 1464 1620 1647 1656 1830 1840 1863 2070 2160 2196 2311 2440 2484 2745 2760 2806 2928 3105 3240 3294 3312 3660 3726 4140 4209 4392 4622 4880 4941 4968 5490 5520 5612 6210 6480 6588 6933 7015 7320 7452 8235 8280 8418 8784 9244 9315 9882 9936 10980 11224 11555 12420 12627 13176 13866 14030 14640 14904 16470 16560 16836 18488 18630 19764 20799 21045 21960 22448 23110 24705 24840 25254 26352 27732 28060 29808 32940 33672 34665 36976 37260 37881 39528 41598 42090 43920 46220 49410 49680 50508 53153 55464 56120 62397 63135 65880 67344 69330 74520 75762 79056 83196 84180 92440 98820 101016 103995 106306 110928 112240 113643 124794 126270 131760 138660 140971 149040 151524 159459 166392 168360 184880 187191 189405 197640 202032 207990 212612 227286 249588 252540 265765 277320 281942 303048 311985 318918 332784 336720 374382 378810 395280 415980 422913 425224 454572 478377 499176 505080 531530 554640 563884 568215 606096 623970 637836 704855 748764 757620 797295 831960 845826 850448 909144 935955 956754 998352 1010160 1063060 1127768 1136430 1247940 1268739 1275672 1409710 1435131 1497528 1515240 1594590 1663920 1691652 1818288 1871910 1913508 2114565 2126120 2255536 2272860 2391885 2495880 2537478 2551344 2819420 2870262 2995056 3030480 3189180 3242333 3383304 3743820 3806217 3827016 4229130 4252240 4305393 4545720 4783770 4991760 5074956 5638840 5740524 6343695 6378360 6484666 6766608 7175655 7487640 7612434 7654032 8458260 8610786 9091440 9567540 9726999 10149912 11277680 11418651 11481048 12687390 12756720 12969332 14351310 14975280 15224868 16211665 16916520 17221572 19031085 19135080 19453998 20299824 21526965 22837302 22962096 25374780 25938664 28702620 29180997 30449736 32423330 33833040 34443144 38062170 38270160 38907996 43053930 45674604 48634995 50749560 51877328 57093255 57405240 58361994 60899472 64846660 68886288 76124340 77815992 86107860 87542991 91349208 97269990 101499120 114186510 114810480 116723988 129693320 145904985 152248680 155631984 172215720 175085982 182698416 194539980 228373020 233447976 259386640 262628973 291809970 304497360 344431440 350171964 389079960 437714955 456746040 466895952 525257946 583619940 700343928 778159920 875429910 913492080 1050515892 1167239880 1313144865 1400687856 1750859820 2101031784 2334479760 2626289730 3501719640 4202063568 5252579460 7003439280 10505158920 21010317840
- Sum of all divisors σ(n): 77426401536
- Sum of proper divisors (its aliquot sum) s(n): 56416083696
- 21010317840 is an abundant number, because the sum of its proper divisors (56416083696) is greater than itself. Its abundance is 35405765856
Bases of 21010317840
- Binary: 100111001000101000000000010000100002
- Hexadecimal: 0x4E4500210
- Base-36: 9NH0100
Squares and roots of 21010317840
- 21010317840 squared (210103178402) is 441433455737822265600
- 21010317840 cubed (210103178403) is 9274657210261217509684898304000
-
The
square root of 21010317840 is 144949.3630203321 -
The
cube root of 21010317840 is 2759.3759458645
Scales and comparisons
How big is 21010317840?- 21,010,317,840 seconds is equal to 668 years, 3 weeks, 1 day, 23 hours, 24 minutes.
-
To count from 1 to 21,010,317,840 would take you about one thousand, three hundred thirty-six 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 21010317840 cubic inches would be around 229.9 feet tall.
Recreational maths with 21010317840
- 21010317840 backwards is 04871301012
- 21010317840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21010317840's digits is 27
- More coming soon!
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