20985440000
20,985,440,000 is an even composite number composed of five prime numbers multiplied together.
20985440000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 20985440000:
28 × 54 × 7 × 41 × 457
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 7 × 41 × 457)See below for interesting mathematical facts about the number 20985440000 from the Numbermatics database.
Names of 20985440000
- Cardinal: 20985440000 can be written as Twenty billion, nine hundred eighty-five million, four hundred forty thousand.
Scientific notation
- Scientific notation: 2.098544 × 1010
Factors of 20985440000
Divisors of 20985440000
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 41 50 56 64 70 80 82 100 112 125 128 140 160 164 175 200 205 224 250 256 280 287 320 328 350 400 410 448 457 500 560 574 625 640 656 700 800 820 875 896 914 1000 1025 1120 1148 1250 1280 1312 1400 1435 1600 1640 1750 1792 1828 2000 2050 2240 2285 2296 2500 2624 2800 2870 3199 3200 3280 3500 3656 4000 4100 4375 4480 4570 4592 5000 5125 5248 5600 5740 6398 6400 6560 7000 7175 7312 8000 8200 8750 8960 9140 9184 10000 10250 10496 11200 11425 11480 12796 13120 14000 14350 14624 15995 16000 16400 17500 18280 18368 18737 20000 20500 22400 22850 22960 25592 25625 26240 28000 28700 29248 31990 32000 32800 35000 35875 36560 36736 37474 40000 41000 44800 45700 45920 51184 51250 52480 56000 57125 57400 58496 63980 65600 70000 71750 73120 73472 74948 79975 80000 82000 91400 91840 93685 102368 102500 112000 114250 114800 116992 127960 131159 131200 140000 143500 146240 149896 159950 160000 164000 179375 182800 183680 187370 204736 205000 224000 228500 229600 255920 262318 262400 280000 285625 287000 292480 299792 319900 328000 358750 365600 367360 374740 399875 409472 410000 457000 459200 468425 511840 524636 560000 571250 574000 584960 599584 639800 655795 656000 717500 731200 749480 799750 818944 820000 914000 918400 936850 1023680 1049272 1120000 1142500 1148000 1199168 1279600 1311590 1312000 1435000 1462400 1498960 1599500 1640000 1828000 1836800 1873700 1999375 2047360 2098544 2285000 2296000 2342125 2398336 2559200 2623180 2870000 2924800 2997920 3199000 3278975 3280000 3656000 3747400 3998750 4094720 4197088 4570000 4592000 4684250 4796672 5118400 5246360 5740000 5995840 6398000 6557950 6560000 7312000 7494800 7997500 8394176 9140000 9184000 9368500 10236800 10492720 11480000 11710625 11991680 12796000 13115900 14624000 14989600 15995000 16394875 16788352 18280000 18737000 20473600 20985440 22960000 23421250 23983360 25592000 26231800 29979200 31990000 32789750 33576704 36560000 37474000 41970880 45920000 46842500 51184000 52463600 59958400 63980000 65579500 73120000 74948000 81974375 83941760 93685000 102368000 104927200 119916800 127960000 131159000 149896000 163948750 167883520 187370000 209854400 255920000 262318000 299792000 327897500 374740000 419708800 511840000 524636000 599584000 655795000 749480000 839417600 1049272000 1311590000 1498960000 2098544000 2623180000 2997920000 4197088000 5246360000 10492720000 20985440000
- Sum of all divisors σ(n): 61415315808
- Sum of proper divisors (its aliquot sum) s(n): 40429875808
- 20985440000 is an abundant number, because the sum of its proper divisors (40429875808) is greater than itself. Its abundance is 19444435808
Bases of 20985440000
- Binary: 100111000101101010001100111000000002
- Hexadecimal: 0x4E2D46700
- Base-36: 9N26T4W
Squares and roots of 20985440000
- 20985440000 squared (209854400002) is 440388691993600000000
- 20985440000 cubed (209854400003) is 9241750472510173184000000000000
-
The
square root of 20985440000 is 144863.5219784471 -
The
cube root of 20985440000 is 2758.2864109319
Scales and comparisons
How big is 20985440000?- 20,985,440,000 seconds is equal to 667 years, 14 weeks, 1 day, 53 minutes, 20 seconds.
-
To count from 1 to 20,985,440,000 would take you about one thousand, three hundred thirty-four 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 20985440000 cubic inches would be around 229.9 feet tall.
Recreational maths with 20985440000
- 20985440000 backwards is 00004458902
- 20985440000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20985440000's digits is 32
- More coming soon!
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