2121199920
2,121,199,920 is an even composite number composed of six prime numbers multiplied together.
2121199920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 2121199920:
24 × 33 × 5 × 7 × 53 × 2647
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 53 × 2647)See below for interesting mathematical facts about the number 2121199920 from the Numbermatics database.
Names of 2121199920
- Cardinal: 2121199920 can be written as Two billion, one hundred twenty-one million, one hundred ninety-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.12119992 × 109
Factors of 2121199920
Divisors of 2121199920
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 53 54 56 60 63 70 72 80 84 90 105 106 108 112 120 126 135 140 144 159 168 180 189 210 212 216 240 252 265 270 280 315 318 336 360 371 378 420 424 432 477 504 530 540 560 630 636 720 742 756 795 840 848 945 954 1008 1060 1080 1113 1260 1272 1431 1484 1512 1590 1680 1855 1890 1908 2120 2160 2226 2385 2520 2544 2647 2862 2968 3024 3180 3339 3710 3780 3816 4240 4452 4770 5040 5294 5565 5724 5936 6360 6678 7155 7420 7560 7632 7941 8904 9540 10017 10588 11130 11448 12720 13235 13356 14310 14840 15120 15882 16695 17808 18529 19080 20034 21176 22260 22896 23823 26470 26712 28620 29680 31764 33390 37058 38160 39705 40068 42352 44520 47646 50085 52940 53424 55587 57240 63528 66780 71469 74116 79410 80136 89040 92645 95292 100170 105880 111174 114480 119115 127056 133560 140291 142938 148232 158820 160272 166761 185290 190584 200340 211760 222348 238230 267120 277935 280582 285876 296464 317640 333522 357345 370580 381168 400680 420873 444696 476460 500283 555870 561164 571752 635280 667044 701455 714690 741160 801360 833805 841746 889392 952920 982037 1000566 1111740 1122328 1143504 1262619 1334088 1402910 1429380 1482320 1667610 1683492 1905840 1964074 2001132 2104365 2223480 2244656 2501415 2525238 2668176 2805820 2858760 2946111 3335220 3366984 3787857 3928148 4002264 4208730 4446960 4910185 5002830 5050476 5611640 5717520 5892222 6313095 6670440 6733968 7575714 7856296 8004528 8417460 8838333 9820370 10005660 10100952 11223280 11784444 12626190 13340880 14730555 15151428 15712592 16834920 17676666 18939285 19640740 20011320 20201904 23568888 25252380 26514999 29461110 30302856 33669840 35353332 37878570 39281480 40022640 44191665 47137776 50504760 53029998 58922220 60605712 70706664 75757140 78562960 88383330 101009520 106059996 117844440 132574995 141413328 151514280 176766660 212119992 235688880 265149990 303028560 353533320 424239984 530299980 707066640 1060599960 2121199920
- Sum of all divisors σ(n): 8510883840
- Sum of proper divisors (its aliquot sum) s(n): 6389683920
- 2121199920 is an abundant number, because the sum of its proper divisors (6389683920) is greater than itself. Its abundance is 4268484000
Bases of 2121199920
- Binary: 11111100110111011110001001100002
- Hexadecimal: 0x7E6EF130
- Base-36: Z2WOC0
Squares and roots of 2121199920
- 2121199920 squared (21211999202) is 4499489100608006400
- 2121199920 cubed (21211999203) is 9544315920250575127039488000
-
The
square root of 2121199920 is 46056.4861881579 -
The
cube root of 2121199920 is 1284.8739791729
Scales and comparisons
How big is 2121199920?- 2,121,199,920 seconds is equal to 67 years, 23 weeks, 1 day, 22 hours, 12 minutes.
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To count from 1 to 2,121,199,920 would take you about one 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 2121199920 cubic inches would be around 107.1 feet tall.
Recreational maths with 2121199920
- 2121199920 backwards is 0299911212
- 2121199920 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 2121199920's digits is 36
- More coming soon!
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