21426123404840
21,426,123,404,840 is an even composite number composed of six prime numbers multiplied together.
21426123404840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21426123404840:
23 × 5 × 7 × 113 × 79 × 727747
(2 × 2 × 2 × 5 × 7 × 11 × 11 × 11 × 79 × 727747)See below for interesting mathematical facts about the number 21426123404840 from the Numbermatics database.
Names of 21426123404840
- Cardinal: 21426123404840 can be written as Twenty-one trillion, four hundred twenty-six billion, one hundred twenty-three million, four hundred four thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.142612340484 × 1013
Factors of 21426123404840
Divisors of 21426123404840
- Number of divisors d(n): 256
-
Complete list of divisors:
1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 55 56 70 77 79 88 110 121 140 154 158 220 242 280 308 316 385 395 440 484 553 605 616 632 770 790 847 869 968 1106 1210 1331 1540 1580 1694 1738 2212 2420 2662 2765 3080 3160 3388 3476 4235 4345 4424 4840 5324 5530 6083 6655 6776 6952 8470 8690 9317 9559 10648 11060 12166 13310 16940 17380 18634 19118 22120 24332 26620 30415 33880 34760 37268 38236 46585 47795 48664 53240 60830 66913 74536 76472 93170 95590 105149 121660 133826 186340 191180 210298 243320 267652 334565 372680 382360 420596 525745 535304 669130 727747 736043 841192 1051490 1338260 1455494 1472086 2102980 2676520 2910988 2944172 3638735 3680215 4205960 5094229 5821976 5888344 7277470 7360430 8005217 10188458 14554940 14720860 16010434 20376916 25471145 29109880 29441720 32020868 40026085 40753832 50942290 56036519 57492013 64041736 80052170 88057387 101884580 112073038 114984026 160104340 176114774 203769160 224146076 229968052 280182595 287460065 320208680 352229548 402444091 440286935 448292152 459936104 560365190 574920130 616401709 632412143 704459096 804888182 880573870 968631257 1120730380 1149840260 1232803418 1264824286 1609776364 1761147740 1937262514 2012220455 2241460760 2299680520 2465606836 2529648572 3082008545 3162060715 3219552728 3522295480 3874525028 4024440910 4426885001 4843156285 4931213672 5059297144 6164017090 6324121430 6780418799 6956533573 7749050056 8048881820 8853770002 9686312570 12328034180 12648242860 13560837598 13913067146 16097763640 17707540004 19372625140 22134425005 24656068360 25296485720 27121675196 27826134292 33902093995 34782667865 35415080008 38745250280 44268850010 48695735011 54243350392 55652268584 67804187990 69565335730 76521869303 88537700020 97391470022 135608375980 139130671460 153043738606 177075400040 194782940044 243478675055 271216751960 278261342920 306087477212 382609346515 389565880088 486957350110 535653085121 612174954424 765218693030 973914700220 1071306170242 1530437386060 1947829400440 2142612340484 2678265425605 3060874772120 4285224680968 5356530851210 10713061702420 21426123404840
- Sum of all divisors σ(n): 61368368947200
- Sum of proper divisors (its aliquot sum) s(n): 39942245542360
- 21426123404840 is an abundant number, because the sum of its proper divisors (39942245542360) is greater than itself. Its abundance is 18516122137520
Bases of 21426123404840
- Binary: 1001101111100101010000111100101110110001010002
- Hexadecimal: 0x137CA8797628
- Base-36: 7LF0WO36W
Squares and roots of 21426123404840
- 21426123404840 squared (214261234048402) is 459078764159432434535425600
- 21426123404840 cubed (214261234048403) is 9836278253421437834850103560270499904000
-
The
square root of 21426123404840 is 4628836.0745267271 -
The
cube root of 21426123404840 is 27774.6034666781
Scales and comparisons
How big is 21426123404840?- 21,426,123,404,840 seconds is equal to 681,284 years, 23 weeks, 2 days, 9 hours, 47 minutes, 20 seconds.
-
To count from 1 to 21,426,123,404,840 would take you about one million, seven hundred three thousand, two hundred eleven 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 21426123404840 cubic inches would be around 2314.6 feet tall.
Recreational maths with 21426123404840
- 21426123404840 backwards is 04840432162412
- The number of decimal digits it has is: 14
- The sum of 21426123404840's digits is 41
- More coming soon!
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