8421942620
8,421,942,620 is an even composite number composed of six prime numbers multiplied together.
8421942620 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 8421942620:
22 × 5 × 72 × 132 × 211 × 241
(2 × 2 × 5 × 7 × 7 × 13 × 13 × 211 × 241)See below for interesting mathematical facts about the number 8421942620 from the Numbermatics database.
Names of 8421942620
- Cardinal: 8421942620 can be written as Eight billion, four hundred twenty-one million, nine hundred forty-two thousand, six hundred twenty.
Scientific notation
- Scientific notation: 8.42194262 × 109
Factors of 8421942620
Divisors of 8421942620
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 91 98 130 140 169 182 196 211 241 245 260 338 364 422 455 482 490 637 676 844 845 910 964 980 1055 1183 1205 1274 1477 1687 1690 1820 2110 2366 2410 2548 2743 2954 3133 3185 3374 3380 4220 4732 4820 5486 5908 5915 6266 6370 6748 7385 8281 8435 10339 10972 11809 11830 12532 12740 13715 14770 15665 16562 16870 19201 20678 21931 23618 23660 27430 29540 31330 33124 33740 35659 38402 40729 41356 41405 43862 47236 50851 51695 54860 59045 62660 71318 76804 81458 82810 87724 96005 101702 103390 109655 118090 134407 142636 153517 162916 165620 178295 192010 203404 203645 206780 219310 236180 249613 254255 268814 285103 307034 355957 356590 384020 407290 438620 499226 508510 537628 570206 614068 661063 672035 711914 713180 767585 814580 998452 1017020 1140412 1248065 1322126 1344070 1423828 1425515 1535170 1747291 1779785 1995721 2491699 2496130 2644252 2688140 2851030 3070340 3305315 3494582 3559570 3991442 4627441 4983398 4992260 5702060 6610630 6989164 7119140 7982884 8593819 8736455 9254882 9966796 9978605 12458495 13221260 17187638 17472910 18509764 19957210 23137205 24916990 32392087 34375276 34945820 39914420 42969095 46274410 49833980 60156733 64784174 85938190 92548820 120313466 129568348 161960435 171876380 240626932 300783665 323920870 421097131 601567330 647841740 842194262 1203134660 1684388524 2105485655 4210971310 8421942620
- Sum of all divisors σ(n): 22476385008
- Sum of proper divisors (its aliquot sum) s(n): 14054442388
- 8421942620 is an abundant number, because the sum of its proper divisors (14054442388) is greater than itself. Its abundance is 5632499768
Bases of 8421942620
- Binary: 1111101011111110010100101010111002
- Hexadecimal: 0x1F5FCA55C
- Base-36: 3VA7GIK
Squares and roots of 8421942620
- 8421942620 squared (84219426202) is 70929117494572464400
- 8421942620 cubed (84219426203) is 597360957626527456608792728000
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The
square root of 8421942620 is 91771.1426320931 -
The
cube root of 8421942620 is 2034.5612062957
Scales and comparisons
How big is 8421942620?- 8,421,942,620 seconds is equal to 267 years, 41 weeks, 1 day, 4 hours, 30 minutes, 20 seconds.
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To count from 1 to 8,421,942,620 would take you about five hundred thirty-five 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 8421942620 cubic inches would be around 169.5 feet tall.
Recreational maths with 8421942620
- 8421942620 backwards is 0262491248
- The number of decimal digits it has is: 10
- The sum of 8421942620's digits is 38
- More coming soon!
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