21031804 is an even 8-digits composite number following 21031803
and preceding 21031805 . In scientific notation, it is written as 2.1031804 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 6 positive divisors.
There are 10515900 positive integers (up to 21031804) that are relatively prime to 21031804.
21031804 has 6 divisors, whose sum is 36805664
The reverse of 21031804 is 40813012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million thirty-one thousand eight hundred four
Scientific notation
2.1031804 × 10^7
Engineering notation
2.1031804 × 10^6
Prime Factorization
2 × 2 × 5257951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10515902
Product of the distinct prime numbers
The prime factorization of 21031804 is 2 × 2 × 5257951.
Since it has a total of 3 prime factors.
4 , 9 , 43 , 70 , 931 , 61 , 2792 , 8149 , 34165 , 21281 , 602105 , 400722 , 5848054 , 5756508 , 77905013 , 1493927 , 439385213 , 912127355 , 4153451356 , 3479299299
n×2
42063608
n×3
63095412
n×4
84127216
n×5
105159020
n÷2
10515902
n÷3
7010601.3333333
n÷3
5257951
n÷5
4206360.8
n2
442336779494416
n3
9.3031404483178E+21
n4
1.9566182649349E+29
n5
4.1151211850931E+36
2 √n
4586.044482994
3 √n
276.03162488561
4 √n
67.720340245705
5 √n
29.145754682987
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031803
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031804 can be divided by 6 positive divisors.
The sum of these divisors (counting 21031804) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000001110101101111100
3
Ternary
1110120112012201
4
Quaternary
1100032231330
5
Quinary
20341004204
6
Senary
2030441244
8
Octal
120165574
10
Decimal
21031804
12
Duodecimal
7063224
16
Hexadecimal
140eb7c
20
Vigesimal
6b8ja4
36
Base36
cis8s
md5
6688bec2420029b9ed8a9af2e26c00de
sha1
8bae23092068051596e1af6a7b17e636fed5b045
sha256
79811b85dbe5f4452e84e27d1f676f2a53e7131ed969b0ec263b67f54073d855
sha512
3c53a6095a04e6195ee663a7e30903315dc028c82d7d3086fa319160536e1d5273dead325a925b4ac74d5ef04a2fb46fa63d0eb1634a38dc9e416694161274df
ripemd-160
e9031c5bd0a4f896a522e5fd34d754033c5274e1
Diameter
42063608
Circumference
132146721.87628
Area
1.3896419768722E+15
Volume
3.8968903583666E+22
Surface area
5.5585679074889E+15
Circumference
132146721.87628
Perimeter
84127216
Area
442336779494416
Diagonal
29743462.457973
Surface area
2654020676966496
Volume
9.3031404483178E+21
Space diagonal
36428153.10283
Perimeter
63095412
Area
1.9153744403518E+14
Altitude
18214076.551415
Surface area
1.9153744403518E+14
Volume
1.0963856162227E+21
Height
9914487.4859909