21012800340
21,012,800,340 is an even composite number composed of seven prime numbers multiplied together.
21012800340 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21012800340:
22 × 3 × 5 × 72 × 19 × 73 × 5153
(2 × 2 × 3 × 5 × 7 × 7 × 19 × 73 × 5153)See below for interesting mathematical facts about the number 21012800340 from the Numbermatics database.
Names of 21012800340
- Cardinal: 21012800340 can be written as Twenty-one billion, twelve million, eight hundred thousand, three hundred forty.
Scientific notation
- Scientific notation: 2.101280034 × 1010
Factors of 21012800340
Divisors of 21012800340
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 49 57 60 70 73 76 84 95 98 105 114 133 140 146 147 190 196 210 219 228 245 266 285 292 294 365 380 399 420 438 490 511 532 570 588 665 730 735 798 876 931 980 1022 1095 1140 1330 1387 1460 1470 1533 1596 1862 1995 2044 2190 2555 2660 2774 2793 2940 3066 3577 3724 3990 4161 4380 4655 5110 5153 5548 5586 6132 6935 7154 7665 7980 8322 9310 9709 10220 10306 10731 11172 13870 13965 14308 15330 15459 16644 17885 18620 19418 20612 20805 21462 25765 27740 27930 29127 30660 30918 35770 36071 38836 41610 42924 48545 51530 53655 55860 58254 61836 67963 71540 72142 77295 83220 97090 97907 103060 107310 108213 116508 135926 144284 145635 154590 180355 194180 195814 203889 214620 216426 252497 271852 291270 293721 309180 339815 360710 376169 391628 407778 432852 489535 504994 541065 582540 587442 679630 685349 721420 752338 757491 815556 979070 1009988 1019445 1082130 1128507 1174884 1262485 1359260 1370698 1468605 1504676 1514982 1880845 1958140 2038890 2056047 2164260 2257014 2524970 2633183 2741396 2937210 3029964 3426745 3761690 3787455 4077780 4112094 4514028 4797443 5049940 5266366 5642535 5874420 6853490 7147211 7523380 7574910 7899549 8224188 9594886 10280235 10532732 11285070 13165915 13706980 14294422 14392329 15149820 15799098 18432281 19189772 20560470 21441633 22570140 23987215 26331830 28588844 28784658 31598196 35736055 36864562 39497745 41120940 42883266 47974430 50030477 52663660 55296843 57569316 71472110 71961645 73729124 78995490 85766532 92161405 95948860 100060954 107208165 110593686 142944220 143923290 150091431 157990980 184322810 200121908 214416330 221187372 250152385 276484215 287846580 300182862 350213339 368645620 428832660 500304770 552968430 600365724 700426678 750457155 1000609540 1050640017 1105936860 1400853356 1500914310 1751066695 2101280034 3001828620 3502133390 4202560068 5253200085 7004266780 10506400170 21012800340
- Sum of all divisors σ(n): 73044961920
- Sum of proper divisors (its aliquot sum) s(n): 52032161580
- 21012800340 is an abundant number, because the sum of its proper divisors (52032161580) is greater than itself. Its abundance is 31019361240
Bases of 21012800340
- Binary: 100111001000111010111100011010101002
- Hexadecimal: 0x4E475E354
- Base-36: 9NIH8IC
Squares and roots of 21012800340
- 21012800340 squared (210128003402) is 441537778128704115600
- 21012800340 cubed (210128003403) is 9277945174385678404039079304000
-
The
square root of 21012800340 is 144957.9261027143 -
The
cube root of 21012800340 is 2759.4846207397
Scales and comparisons
How big is 21012800340?- 21,012,800,340 seconds is equal to 668 years, 7 weeks, 2 days, 16 hours, 59 minutes.
-
To count from 1 to 21,012,800,340 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 21012800340 cubic inches would be around 230 feet tall.
Recreational maths with 21012800340
- 21012800340 backwards is 04300821012
- 21012800340 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21012800340's digits is 21
- More coming soon!
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