21381567 is an odd 8-digits composite number following 21381566
and preceding 21381568 . In scientific notation, it is written as 2.1381567 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 14243520 positive integers (up to 21381567) that are relatively prime to 21381567.
21381567 has 8 divisors, whose sum is 28530480
The reverse of 21381567 is 76518312
Previous prime number is 2221
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million three hundred eighty-one thousand five hundred sixty-seven
Scientific notation
2.1381567 × 10^7
Engineering notation
2.1381567 × 10^6
Prime Factorization
3 × 2221 × 3209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21381567
Product of the distinct prime numbers
The prime factorization of 21381567 is 3 × 2221 × 3209.
Since it has a total of 3 prime factors.
1 , 4 , 81 , 4 , 963 , 909 , 5966 , 8273 , 71050 , 61756 , 953659 , 265598 , 8401656 , 8193162 , 3423010 , 56157319 , 80952243 , 251452338 , 4379297365 , 3009178460
n×2
42763134
n×3
64144701
n×4
85526268
n×5
106907835
n÷2
10690783.5
n÷3
7127189
n÷3
5345391.75
n÷5
4276313.4
n2
457171407375489
n3
9.7750410772833E+21
n4
2.0900569572169E+29
n5
4.4688692864548E+36
2 √n
4624.0206530681
3 √n
277.55337338761
4 √n
68.000151860625
5 √n
29.242056107826
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21381566
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21381567 can be divided by 8 positive divisors.
The sum of these divisors (counting 21381567) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001100100000110111111
3
Ternary
1111020021222220
4
Quaternary
1101210012333
5
Quinary
20433202232
6
Senary
2042140423
8
Octal
121440677
10
Decimal
21381567
12
Duodecimal
71b1713
16
Hexadecimal
14641bf
20
Vigesimal
6dcdi7
36
Base36
cqa4f
md5
7a0c6c670bad1491ae9a7c03dece990a
sha1
42fb9d01c49b74b21d47dd1e4c18f7b6fd3bf739
sha256
08c3c994050485bc4bc6d4dacf43437e5b88ef9499965ec23782102038fb0f0e
sha512
3c94d60d9fdd4fa4131c207e42c4dbc17a2a13873c8964f50041d9787b69d62e4239ccb8ada34c2529c3f612c36d71f1dd228583c78fe06322ba02960cb88de4
ripemd-160
64307b1492c07bb874fba100490fe52bba62d67b
Diameter
42763134
Circumference
134344347.61888
Area
1.4362463348421E+15
Volume
4.0945596315909E+22
Surface area
5.7449853393686E+15
Circumference
134344347.61888
Perimeter
85526268
Area
457171407375489
Diagonal
30238102.036189
Surface area
2743028444252934
Volume
9.7750410772833E+21
Space diagonal
37033960.389438
Perimeter
64144701
Area
1.9796102633553E+14
Altitude
18516980.194719
Surface area
1.9796102633553E+14
Volume
1.1519996386873E+21
Height
10079367.345396