20390866320
20,390,866,320 is an even composite number composed of seven prime numbers multiplied together.
20390866320 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 20390866320:
24 × 3 × 5 × 11 × 139 × 181 × 307
(2 × 2 × 2 × 2 × 3 × 5 × 11 × 139 × 181 × 307)See below for interesting mathematical facts about the number 20390866320 from the Numbermatics database.
Names of 20390866320
- Cardinal: 20390866320 can be written as Twenty billion, three hundred ninety million, eight hundred sixty-six thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.039086632 × 1010
Factors of 20390866320
Divisors of 20390866320
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 139 165 176 181 220 240 264 278 307 330 362 417 440 528 543 556 614 660 695 724 834 880 905 921 1086 1112 1228 1320 1390 1448 1529 1535 1668 1810 1842 1991 2085 2172 2224 2456 2640 2715 2780 2896 3058 3070 3336 3377 3620 3684 3982 4170 4344 4587 4605 4912 5430 5560 5973 6116 6140 6672 6754 7240 7368 7645 7964 8340 8688 9174 9210 9955 10131 10860 11120 11946 12232 12280 13508 14480 14736 15290 15928 16680 16885 18348 18420 19910 20262 21720 22935 23892 24464 24560 25159 27016 29865 30580 31856 33360 33770 36696 36840 39820 40524 42673 43440 45870 47784 50318 50655 54032 55567 59730 61160 67540 73392 73680 75477 79640 81048 85346 91740 95568 100636 101310 111134 119460 122320 125795 128019 135080 150954 159280 162096 166701 170692 183480 201272 202620 213365 222268 238920 251590 256038 270160 276749 277835 301908 333402 341384 366960 377385 402544 405240 426730 444536 469403 477840 503180 512076 553498 555670 603816 611237 640095 666804 682768 754770 810480 830247 833505 853460 889072 938806 1006360 1024152 1106996 1111340 1207632 1222474 1280190 1333608 1383745 1408209 1509540 1660494 1667010 1706920 1833711 1877612 2012720 2048304 2213992 2222680 2347015 2444948 2560380 2667216 2767490 2816418 3019080 3056185 3320988 3334020 3413840 3667422 3755224 4151235 4427984 4445360 4694030 4889896 5120760 5534980 5632836 6038160 6112370 6641976 6668040 7041045 7334844 7510448 7723813 8302470 9168555 9388060 9779792 10241520 11069960 11265672 12224740 13283952 13336080 14082090 14669688 15447626 16604940 18337110 18776120 22139920 22531344 23171439 24449480 28164180 29339376 30895252 33209880 36674220 37552240 38619065 46342878 48898960 56328360 61790504 66419760 73348440 77238130 84961943 92685756 112656720 115857195 123581008 146696880 154476260 169923886 185371512 231714390 254885829 308952520 339847772 370743024 424809715 463428780 509771658 617905040 679695544 849619430 926857560 1019543316 1274429145 1359391088 1699238860 1853715120 2039086632 2548858290 3398477720 4078173264 5097716580 6796955440 10195433160 20390866320
- Sum of all divisors σ(n): 70065515520
- Sum of proper divisors (its aliquot sum) s(n): 49674649200
- 20390866320 is an abundant number, because the sum of its proper divisors (49674649200) is greater than itself. Its abundance is 29283782880
Bases of 20390866320
- Binary: 100101111110110001111101101100100002
- Hexadecimal: 0x4BF63ED90
- Base-36: 9D8715C
Squares and roots of 20390866320
- 20390866320 squared (203908663202) is 415787429280110342400
- 20390866320 cubed (203908663203) is 8478265887987183826727827968000
-
The
square root of 20390866320 is 142796.5907156049 -
The
cube root of 20390866320 is 2731.9865641045
Scales and comparisons
How big is 20390866320?- 20,390,866,320 seconds is equal to 648 years, 19 weeks, 9 hours, 32 minutes.
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To count from 1 to 20,390,866,320 would take you about one thousand, two hundred ninety-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 20390866320 cubic inches would be around 227.7 feet tall.
Recreational maths with 20390866320
- 20390866320 backwards is 02366809302
- The number of decimal digits it has is: 11
- The sum of 20390866320's digits is 39
- More coming soon!
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