21494946 is an even 8-digits composite number following 21494945
and preceding 21494947 . In scientific notation, it is written as 2.1494946 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6513600 positive integers (up to 21494946) that are relatively prime to 21494946.
21494946 has 16 divisors, whose sum is 46898208
The reverse of 21494946 is 64949412
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-four thousand nine hundred forty-six
Scientific notation
2.1494946 × 10^7
Engineering notation
2.1494946 × 10^6
Prime Factorization
2 × 3 × 11 × 325681
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494946
Product of the distinct prime numbers
The prime factorization of 21494946 is 2 × 3 × 11 × 325681.
Since it has a total of 4 prime factors.
4 , 4 , 99 , 91 , 296 , 905 , 8995 , 1691 , 33539 , 95040 , 633111 , 535999 , 4220610 , 8070330 , 71299115 , 10275947 , 988571614 , 475755705 , 379646063 , 9747358477
n×2
42989892
n×3
64484838
n×4
85979784
n×5
107474730
n÷2
10747473
n÷3
7164982
n÷3
5373736.5
n÷5
4298989.2
n2
462032703542916
n3
9.931368012889E+21
n4
2.1347421914318E+29
n5
4.5886168128747E+36
2 √n
4636.2642288808
3 √n
278.04309840238
4 √n
68.090118437853
5 √n
29.273002624811
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 325681 , 651362 , 977043 , 1954086 , 3582491 , 7164982 , 10747473 , 21494946
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
-21494945
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 21494946 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111110010100010
3
Ternary
1111110001112010
4
Quaternary
1101333302202
5
Quinary
21000314241
6
Senary
2044413350
8
Octal
121776242
10
Decimal
21494946
12
Duodecimal
7247256
16
Hexadecimal
147fca2
20
Vigesimal
6e6h76
36
Base36
csplu
md5
8a1df6a340febf46949676fff0df4759
sha1
778384021bd9ac498e08886d78a922ae9d1d82bb
sha256
b83d218bdd72b938ecc031479e317fc74cdbef79de36a06f7e4a5ca3f88d1e60
sha512
5d75e9a0065333747c65d6a656d7e5af01b464ac8ae8c429d77bff3840a25b237b566768b14fc9f7dc1432d3006e1b65b207bc9ea6bdea2f924b84802e46474d
ripemd-160
804197692ceecf5bd9539ab3103a5af8ca34f2c2
Diameter
42989892
Circumference
135056728.88582
Area
1.4515185471687E+15
Volume
4.1600417052518E+22
Surface area
5.8060741886746E+15
Circumference
135056728.88582
Perimeter
85979784
Area
462032703542916
Diagonal
30398444.155677
Surface area
2772196221257496
Volume
9.931368012889E+21
Space diagonal
37230338.577949
Perimeter
64484838
Area
2.0006602932368E+14
Altitude
18615169.288975
Surface area
2.0006602932368E+14
Volume
1.1704229447288E+21
Height
10132814.718559