21388473000
21,388,473,000 is an even composite number composed of five prime numbers multiplied together.
21388473000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21388473000:
23 × 32 × 53 × 1277 × 1861
(2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 1277 × 1861)See below for interesting mathematical facts about the number 21388473000 from the Numbermatics database.
Names of 21388473000
- Cardinal: 21388473000 can be written as Twenty-one billion, three hundred eighty-eight million, four hundred seventy-three thousand.
Scientific notation
- Scientific notation: 2.1388473 × 1010
Factors of 21388473000
Divisors of 21388473000
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 450 500 600 750 900 1000 1125 1277 1500 1800 1861 2250 2554 3000 3722 3831 4500 5108 5583 6385 7444 7662 9000 9305 10216 11166 11493 12770 14888 15324 16749 18610 19155 22332 22986 25540 27915 30648 31925 33498 37220 38310 44664 45972 46525 51080 55830 57465 63850 66996 74440 76620 83745 91944 93050 95775 111660 114930 127700 133992 139575 153240 159625 167490 186100 191550 223320 229860 232625 255400 279150 287325 319250 334980 372200 383100 418725 459720 465250 478875 558300 574650 638500 669960 697875 766200 837450 930500 957750 1116600 1149300 1277000 1395750 1436625 1674900 1861000 1915500 2093625 2298600 2376497 2791500 2873250 3349800 3831000 4187250 4752994 5583000 5746500 7129491 8374500 9505988 11493000 11882485 14258982 16749000 19011976 21388473 23764970 28517964 35647455 42776946 47529940 57035928 59412425 71294910 85553892 95059880 106942365 118824850 142589820 171107784 178237275 213884730 237649700 285179640 297062125 356474550 427769460 475299400 534711825 594124250 712949100 855538920 891186375 1069423650 1188248500 1425898200 1782372750 2138847300 2376497000 2673559125 3564745500 4277694600 5347118250 7129491000 10694236500 21388473000
- Sum of all divisors σ(n): 72388527120
- Sum of proper divisors (its aliquot sum) s(n): 51000054120
- 21388473000 is an abundant number, because the sum of its proper divisors (51000054120) is greater than itself. Its abundance is 29611581120
Bases of 21388473000
- Binary: 100111110101101101000110010101010002
- Hexadecimal: 0x4FADA32A8
- Base-36: 9TQ57E0
Squares and roots of 21388473000
- 21388473000 squared (213884730002) is 457466777271729000000
- 21388473000 cubed (213884730003) is 9784515814073389379817000000000
-
The
square root of 21388473000 is 146247.9846014981 -
The
cube root of 21388473000 is 2775.8325235247
Scales and comparisons
How big is 21388473000?- 21,388,473,000 seconds is equal to 680 years, 4 weeks, 3 days, 18 hours, 30 minutes.
-
To count from 1 to 21,388,473,000 would take you about one thousand, three hundred sixty 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 21388473000 cubic inches would be around 231.3 feet tall.
Recreational maths with 21388473000
- 21388473000 backwards is 00037488312
- 21388473000 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21388473000's digits is 36
- More coming soon!
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The information we have on file for 21388473000 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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