21356766 is an even 8-digits composite number following 21356765
and preceding 21356767 . In scientific notation, it is written as 2.1356766 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 7070256 positive integers (up to 21356766) that are relatively prime to 21356766.
21356766 has 16 divisors, whose sum is 35838000
The reverse of 21356766 is 66765312
Previous prime number is 149
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million three hundred fifty-six thousand seven hundred sixty-six
Scientific notation
2.1356766 × 10^7
Engineering notation
2.1356766 × 10^6
Prime Factorization
2 × 9 × 149 × 7963
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21356766
Product of the distinct prime numbers
The prime factorization of 21356766 is 2 × 9 × 149 × 7963.
Since it has a total of 4 prime factors.
4 , 3 , 50 , 64 , 329 , 234 , 7442 , 5100 , 85536 , 63275 , 739312 , 594866 , 1646167 , 8734387 , 71330916 , 89145062 , 197318152 , 200827414 , 2896907822 , 9061780588
n×2
42713532
n×3
64070298
n×4
85427064
n×5
106783830
n÷2
10678383
n÷3
7118922
n÷3
5339191.5
n÷5
4271353.2
n2
456111453978756
n3
9.7410655925441E+21
n4
2.0803765845061E+29
n5
4.4430115907177E+36
2 √n
4621.3381179048
3 √n
277.4460182311
4 √n
67.980424519893
5 √n
29.235269243667
1 , 2 , 9 , 18 , 149 , 298 , 1341 , 2682 , 7963 , 15926 , 71667 , 143334 , 1186487 , 2372974 , 10678383 , 21356766
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356765
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356766 can be divided by 16 positive divisors.
The sum of these divisors (counting 21356766) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001011110000011011110
3
Ternary
1111012000222100
4
Quaternary
1101132003132
5
Quinary
20431404031
6
Senary
2041425530
8
Octal
121360336
10
Decimal
21356766
12
Duodecimal
719b2a6
16
Hexadecimal
145e0de
20
Vigesimal
6d9bi6
36
Base36
cpqzi
md5
1599021752c4acf43abd7c0bac7e2565
sha1
32e557be87b4f322c6b29030d89587b528c622b4
sha256
da17c6a826a700f730335d11e70fe621a1c1df006aaa5e446db0a2db17d1cc3c
sha512
5762226df10a4d6b3f1283524316cd0bf9d4e72840e3e9afa25a0e16d533b31d15504a05ce4d18794756d7b5fdd475e23a988fc927fdc5a1523b9390be11fa8a
ripemd-160
18c3e84579ecbaab729644843c004cc3a2efaccc
Diameter
42713532
Circumference
134188518.34007
Area
1.4329163930378E+15
Volume
4.080328013823E+22
Surface area
5.7316655721513E+15
Circumference
134188518.34007
Perimeter
85427064
Area
456111453978756
Diagonal
30203028.125629
Surface area
2736668723872536
Volume
9.7410655925441E+21
Space diagonal
36991003.79736
Perimeter
64070298
Area
1.9750205305133E+14
Altitude
18495501.89868
Surface area
1.9750205305133E+14
Volume
1.1479955894118E+21
Height
10067676.041876