21494427 is an odd 8-digits composite number following 21494426
and preceding 21494428 . In scientific notation, it is written as 2.1494427 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 14156808 positive integers (up to 21494427) that are relatively prime to 21494427.
21494427 has 8 divisors, whose sum is 29004864
The reverse of 21494427 is 72449412
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety-four thousand four hundred twenty-seven
Scientific notation
2.1494427 × 10^7
Engineering notation
2.1494427 × 10^6
Prime Factorization
3 × 83 × 86323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21494427
Product of the distinct prime numbers
The prime factorization of 21494427 is 3 × 83 × 86323.
Since it has a total of 3 prime factors.
4 , 5 , 100 , 5 , 626 , 833 , 5521 , 159 , 29039 , 72399 , 437103 , 980192 , 481642 , 9462142 , 91149217 , 28009328 , 597410685 , 711875967 , 685211522 , 9897969024
n×2
42988854
n×3
64483281
n×4
85977708
n×5
107472135
n÷2
10747213.5
n÷3
7164809
n÷3
5373606.75
n÷5
4298885.4
n2
462010392058329
n3
9.9306486453391E+21
n4
2.1345360236989E+29
n5
4.5880628740266E+36
2 √n
4636.2082567547
3 √n
278.0408605813
4 √n
68.089707421567
5 √n
29.272861262883
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
-21494426
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 21494427 can be divided by 8 positive divisors.
The sum of these divisors (counting 21494427) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111101010011011
3
Ternary
1111110000210220
4
Quaternary
1101333222123
5
Quinary
21000310202
6
Senary
2044411123
8
Octal
121775233
10
Decimal
21494427
12
Duodecimal
7246aa3
16
Hexadecimal
147fa9b
20
Vigesimal
6e6g17
36
Base36
csp7f
md5
6a39db9b638ff6a391ab28234a908b07
sha1
649741654bbd59c1f15443e1bd7715c03d2122e5
sha256
6d19fea03474ec2a4a47e4d1c85c278f07e78fb286cdc210ff8c42236e002739
sha512
0461d6b299ce31925fb3fe5005d19bdfef845efb619ec0354ab6f79b598b46bc44d19531c3db0cebdeb5cf7cb1c4faa9ab11686bdf103ec58fe200d5f06a7f18
ripemd-160
dba53a332975eba44f19407caa60859b0badea05
Diameter
42988854
Circumference
135053467.91264
Area
1.4514484535726E+15
Volume
4.1597403772772E+22
Surface area
5.8057938142903E+15
Circumference
135053467.91264
Perimeter
85977708
Area
462010392058329
Diagonal
30397710.178838
Surface area
2772062352349974
Volume
9.9306486453391E+21
Space diagonal
37229439.64358
Perimeter
64483281
Area
2.0005636816746E+14
Altitude
18614719.82179
Surface area
2.0005636816746E+14
Volume
1.1703381664501E+21
Height
10132570.059613