21031746 is an even 8-digits composite number following 21031745
and preceding 21031747 . In scientific notation, it is written as 2.1031746 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 6641568 positive integers (up to 21031746) that are relatively prime to 21031746.
21031746 has 16 divisors, whose sum is 44277600
The reverse of 21031746 is 64713012
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million thirty-one thousand seven hundred forty-six
Scientific notation
2.1031746 × 10^7
Engineering notation
2.1031746 × 10^6
Prime Factorization
2 × 3 × 19 × 184489
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21031746
Product of the distinct prime numbers
The prime factorization of 21031746 is 2 × 3 × 19 × 184489.
Since it has a total of 4 prime factors.
10 , 4 , 8 , 31 , 277 , 606 , 1872 , 1179 , 34626 , 88812 , 988831 , 309972 , 7629226 , 6193403 , 55429583 , 23071683 , 739676495 , 357878296 , 1496546611 , 4383546174
n×2
42063492
n×3
63095238
n×4
84126984
n×5
105158730
n÷2
10515873
n÷3
7010582
n÷3
5257936.5
n÷5
4206349.2
n2
442334339808516
n3
9.3030634819304E+21
n4
1.9565966817384E+29
n5
4.1150644434764E+36
2 √n
4586.0381594575
3 √n
276.0313711453
4 √n
67.720293557083
5 √n
29.145738607755
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 184489 , 368978 , 553467 , 1106934 , 3505291 , 7010582 , 10515873 , 21031746
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
-21031745
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 21031746 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031746) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110101101000010
3
Ternary
1110120112010120
4
Quaternary
1100032231002
5
Quinary
20341003441
6
Senary
2030441110
8
Octal
120165502
10
Decimal
21031746
12
Duodecimal
7063196
16
Hexadecimal
140eb42
20
Vigesimal
6b8j76
36
Base36
cis76
md5
7ea27e06dd60c9d5736762c5625363c0
sha1
abdd9bca3c2506a93007dfaa5351d3541d82b098
sha256
83d1979aa91b03911b921a144d3de2186304b45317fff7dc1dae27da3eabfb20
sha512
a1a4798254653c7550cf50eae34e3b5f8afb6287bbf4098e721b2b5261fd2e808770b68c80b82185a726e317d7756b50a584c4a5d33f24405f267e920ecff753
ripemd-160
a43da54dda0705e4aa04b2dc14062d47ad1e20a5
Diameter
42063492
Circumference
132146357.45153
Area
1.3896343123729E+15
Volume
3.8968581187616E+22
Surface area
5.5585372494917E+15
Circumference
132146357.45153
Perimeter
84126984
Area
442334339808516
Diagonal
29743380.433586
Surface area
2654006038851096
Volume
9.3030634819304E+21
Space diagonal
36428052.643884
Perimeter
63095238
Area
1.915363876202E+14
Altitude
18214026.321942
Surface area
1.915363876202E+14
Volume
1.096376545647E+21
Height
9914460.1445287