21357222400
21,357,222,400 is an even composite number composed of five prime numbers multiplied together.
21357222400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21357222400:
29 × 52 × 17 × 61 × 1609
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 17 × 61 × 1609)See below for interesting mathematical facts about the number 21357222400 from the Numbermatics database.
Names of 21357222400
- Cardinal: 21357222400 can be written as Twenty-one billion, three hundred fifty-seven million, two hundred twenty-two thousand, four hundred.
Scientific notation
- Scientific notation: 2.13572224 × 1010
Factors of 21357222400
Divisors of 21357222400
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 32 34 40 50 61 64 68 80 85 100 122 128 136 160 170 200 244 256 272 305 320 340 400 425 488 512 544 610 640 680 800 850 976 1037 1088 1220 1280 1360 1525 1600 1609 1700 1952 2074 2176 2440 2560 2720 3050 3200 3218 3400 3904 4148 4352 4880 5185 5440 6100 6400 6436 6800 7808 8045 8296 8704 9760 10370 10880 12200 12800 12872 13600 15616 16090 16592 19520 20740 21760 24400 25744 25925 27200 27353 31232 32180 33184 39040 40225 41480 43520 48800 51488 51850 54400 54706 64360 66368 78080 80450 82960 97600 98149 102976 103700 108800 109412 128720 132736 136765 156160 160900 165920 195200 196298 205952 207400 217600 218824 257440 265472 273530 321800 331840 390400 392596 411904 414800 437648 490745 514880 530944 547060 643600 663680 683825 780800 785192 823808 829600 875296 981490 1029760 1094120 1287200 1327360 1367650 1570384 1659200 1668533 1750592 1962980 2059520 2188240 2453725 2574400 2654720 2735300 3140768 3318400 3337066 3501184 3925960 4119040 4376480 4907450 5148800 5470600 6281536 6636800 6674132 7002368 7851920 8342665 8752960 9814900 10297600 10941200 12563072 13273600 13348264 14004736 15703840 16685330 17505920 19629800 20595200 21882400 25126144 26696528 31407680 33370660 35011840 39259600 41713325 43764800 50252288 53393056 62815360 66741320 70023680 78519200 83426650 87529600 106786112 125630720 133482640 157038400 166853300 175059200 213572224 251261440 266965280 314076800 333706600 350118400 427144448 533930560 628153600 667413200 854288896 1067861120 1256307200 1334826400 2135722240 2669652800 4271444480 5339305600 10678611200 21357222400
- Sum of all divisors σ(n): 56980649880
- Sum of proper divisors (its aliquot sum) s(n): 35623427480
- 21357222400 is an abundant number, because the sum of its proper divisors (35623427480) is greater than itself. Its abundance is 14266205080
Bases of 21357222400
- Binary: 100111110001111110101011010000000002
- Hexadecimal: 0x4F8FD5A00
- Base-36: 9T7JE9S
Squares and roots of 21357222400
- 21357222400 squared (213572224002) is 456130948643061760000
- 21357222400 cubed (213572224003) is 9741690113692848225255424000000
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The
square root of 21357222400 is 146141.1044162455 -
The
cube root of 21357222400 is 2774.4799458309
Scales and comparisons
How big is 21357222400?- 21,357,222,400 seconds is equal to 679 years, 4 weeks, 6 days, 1 hour, 46 minutes, 40 seconds.
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To count from 1 to 21,357,222,400 would take you about one thousand, three hundred fifty-eight 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 21357222400 cubic inches would be around 231.2 feet tall.
Recreational maths with 21357222400
- 21357222400 backwards is 00422275312
- The number of decimal digits it has is: 11
- The sum of 21357222400's digits is 28
- More coming soon!
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