20990720000
20,990,720,000 is an even composite number composed of four prime numbers multiplied together.
20990720000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 20990720000:
211 × 54 × 232 × 31
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 23 × 23 × 31)See below for interesting mathematical facts about the number 20990720000 from the Numbermatics database.
Names of 20990720000
- Cardinal: 20990720000 can be written as Twenty billion, nine hundred ninety million, seven hundred twenty thousand.
Scientific notation
- Scientific notation: 2.099072 × 1010
Factors of 20990720000
Divisors of 20990720000
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 4 5 8 10 16 20 23 25 31 32 40 46 50 62 64 80 92 100 115 124 125 128 155 160 184 200 230 248 250 256 310 320 368 400 460 496 500 512 529 575 620 625 640 713 736 775 800 920 992 1000 1024 1058 1150 1240 1250 1280 1426 1472 1550 1600 1840 1984 2000 2048 2116 2300 2480 2500 2560 2645 2852 2875 2944 3100 3200 3565 3680 3875 3968 4000 4232 4600 4960 5000 5120 5290 5704 5750 5888 6200 6400 7130 7360 7750 7936 8000 8464 9200 9920 10000 10240 10580 11408 11500 11776 12400 12800 13225 14260 14375 14720 15500 15872 16000 16399 16928 17825 18400 19375 19840 20000 21160 22816 23000 23552 24800 25600 26450 28520 28750 29440 31000 31744 32000 32798 33856 35650 36800 38750 39680 40000 42320 45632 46000 47104 49600 51200 52900 57040 57500 58880 62000 63488 64000 65596 66125 67712 71300 73600 77500 79360 80000 81995 84640 89125 91264 92000 99200 105800 114080 115000 117760 124000 128000 131192 132250 135424 142600 147200 155000 158720 160000 163990 169280 178250 182528 184000 198400 211600 228160 230000 235520 248000 256000 262384 264500 270848 285200 294400 310000 317440 320000 327980 330625 338560 356500 365056 368000 396800 409975 423200 445625 456320 460000 496000 524768 529000 541696 570400 588800 620000 640000 655960 661250 677120 713000 730112 736000 793600 819950 846400 891250 912640 920000 992000 1049536 1058000 1083392 1140800 1177600 1240000 1280000 1311920 1322500 1354240 1426000 1460224 1472000 1587200 1639900 1692800 1782500 1825280 1840000 1984000 2049875 2099072 2116000 2281600 2480000 2623840 2645000 2708480 2852000 2944000 3279800 3385600 3565000 3650560 3680000 3968000 4099750 4198144 4232000 4563200 4960000 5247680 5290000 5416960 5704000 5888000 6559600 6771200 7130000 7301120 7360000 7936000 8199500 8396288 8464000 9126400 9920000 10249375 10495360 10580000 11408000 13119200 13542400 14260000 14720000 16399000 16792576 16928000 18252800 19840000 20498750 20990720 21160000 22816000 26238400 27084800 28520000 29440000 32798000 33585152 33856000 36505600 39680000 40997500 41981440 42320000 45632000 52476800 57040000 65596000 67712000 81995000 83962880 84640000 91264000 104953600 114080000 131192000 135424000 163990000 167925760 169280000 182528000 209907200 228160000 262384000 327980000 338560000 419814400 456320000 524768000 655960000 677120000 839628800 912640000 1049536000 1311920000 2099072000 2623840000 4198144000 5247680000 10495360000 20990720000
- Sum of all divisors σ(n): 56595258720
- Sum of proper divisors (its aliquot sum) s(n): 35604538720
- 20990720000 is an abundant number, because the sum of its proper divisors (35604538720) is greater than itself. Its abundance is 14613818720
Bases of 20990720000
- Binary: 100111000110010010011111000000000002
- Hexadecimal: 0x4E324F800
- Base-36: 9N5BZ7K
Squares and roots of 20990720000
- 20990720000 squared (209907200002) is 440610326118400000000
- 20990720000 cubed (209907200003) is 9248727984660021248000000000000
-
The
square root of 20990720000 is 144881.7448818173 -
The
cube root of 20990720000 is 2758.5177225935
Scales and comparisons
How big is 20990720000?- 20,990,720,000 seconds is equal to 667 years, 22 weeks, 6 days, 3 hours, 33 minutes, 20 seconds.
-
To count from 1 to 20,990,720,000 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 20990720000 cubic inches would be around 229.9 feet tall.
Recreational maths with 20990720000
- 20990720000 backwards is 00002709902
- The number of decimal digits it has is: 11
- The sum of 20990720000's digits is 29
- More coming soon!
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