21204906 is an even 8-digits composite number following 21204905
and preceding 21204907 . In scientific notation, it is written as 2.1204906 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 7068300 positive integers (up to 21204906) that are relatively prime to 21204906.
21204906 has 8 divisors, whose sum is 42409824
The reverse of 21204906 is 60940212
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million two hundred four thousand nine hundred six
Scientific notation
2.1204906 × 10^7
Engineering notation
2.1204906 × 10^6
Prime Factorization
2 × 3 × 3534151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21204906
Product of the distinct prime numbers
The prime factorization of 21204906 is 2 × 3 × 3534151.
Since it has a total of 3 prime factors.
10 , 6 , 15 , 9 , 871 , 25 , 3851 , 2232 , 2598 , 96656 , 39774 , 707502 , 1012903 , 651023 , 92392280 , 16876215 , 631146847 , 329337802 , 2284314417 , 5273481124
n×2
42409812
n×3
63614718
n×4
84819624
n×5
106024530
n÷2
10602453
n÷3
7068302
n÷3
5301226.5
n÷5
4240981.2
n2
449648038468836
n3
9.5347443888161E+21
n4
2.0218335849887E+29
n5
4.2872791117329E+36
2 √n
4604.8785000258
3 √n
276.78684832041
4 √n
67.859255080098
5 √n
29.193574263629
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
-21204905
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 21204906 can be divided by 8 positive divisors.
The sum of these divisors (counting 21204906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000111000111110101010
3
Ternary
1110220022122220
4
Quaternary
1100320332222
5
Quinary
20412024111
6
Senary
2034254510
8
Octal
120707652
10
Decimal
21204906
12
Duodecimal
7127436
16
Hexadecimal
1438faa
20
Vigesimal
6cac56
36
Base36
cmht6
md5
e7eee01cc7145f30426861aca78c5b90
sha1
50da8155d0b9da338f06fe72d59328c9580f180c
sha256
c07f8cd47f3c5e7cde80a2333d3d79c821f3c6f8cc8db8273bfb37eeb6e0e41d
sha512
19d3c9e2bd669583eedf7bbb3d2e4242b8fe052e5c49131121e68ba50964a29f15827f04554e7fdea3b1c66eacff946cbc2159640d29ff42ecfa6764628ac880
ripemd-160
c163b45ddb59b6023f11d663f554f5eb72604494
Diameter
42409812
Circumference
133234353.81932
Area
1.4126109743548E+15
Volume
3.9939043901015E+22
Surface area
5.650443897419E+15
Circumference
133234353.81932
Perimeter
84819624
Area
449648038468836
Diagonal
29988265.654047
Surface area
2697888230813016
Volume
9.5347443888161E+21
Space diagonal
36727974.561722
Perimeter
63614718
Area
1.9470331203793E+14
Altitude
18363987.280861
Surface area
1.9470331203793E+14
Volume
1.1236804023687E+21
Height
9996088.5513489