21031626 is an even 8-digits composite number following 21031625
and preceding 21031627 . In scientific notation, it is written as 2.1031626 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 5462640 positive integers (up to 21031626) that are relatively prime to 21031626.
21031626 has 16 divisors, whose sum is 36055008
The reverse of 21031626 is 62613012
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million thirty-one thousand six hundred twenty-six
Scientific notation
2.1031626 × 10^7
Engineering notation
2.1031626 × 10^6
Prime Factorization
2 × 21 × 11 × 45523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21031626
Product of the distinct prime numbers
The prime factorization of 21031626 is 2 × 21 × 11 × 45523.
Since it has a total of 4 prime factors.
5 , 2 , 48 , 56 , 485 , 498 , 7302 , 2530 , 26292 , 25862 , 363446 , 365922 , 7214196 , 6099710 , 39260081 , 55846169 , 42138588 , 938853385 , 692054982 , 343407370
n×2
42063252
n×3
63094878
n×4
84126504
n×5
105158130
n÷2
10515813
n÷3
7010542
n÷3
5257906.5
n÷5
4206325.2
n2
442329292203876
n3
9.3029042424766E+21
n4
1.9565520274158E+29
n5
4.1149470490151E+36
2 √n
4586.0250762507
3 √n
276.03084616389
4 √n
67.720196959627
5 √n
29.145705348542
1 , 2 , 11 , 21 , 22 , 42 , 231 , 462 , 45523 , 91046 , 500753 , 955983 , 1001506 , 1911966 , 10515813 , 21031626
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
-21031625
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 21031626 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031626) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110101011001010
3
Ternary
1110120111222010
4
Quaternary
1100032223022
5
Quinary
20341003001
6
Senary
2030440350
8
Octal
120165312
10
Decimal
21031626
12
Duodecimal
70630b6
16
Hexadecimal
140eaca
20
Vigesimal
6b8j16
36
Base36
cis3u
md5
4bc9b1e32cf862e10a61a814a00a305b
sha1
29bee6ce770ca2cfd44ce6466179421bfabc9a6d
sha256
c2bf341563df30a4143cee4bbedcedafd9c1a78d95352989580106e291636b92
sha512
102dab81eac30145e609257c8d0fa5b2fb05c737d84839057d7c38a6f4888bd514ebb43111a2c2c5a3869e2c06a80ebf186f7c53380175be8e7fd8ec59e691ce
ripemd-160
d7bfa1bc13fc053807a75b91559fbd3d6148d50a
Diameter
42063252
Circumference
132145603.4693
Area
1.3896184548553E+15
Volume
3.8967914166952E+22
Surface area
5.5584738194211E+15
Circumference
132145603.4693
Perimeter
84126504
Area
442329292203876
Diagonal
29743210.727959
Surface area
2653975753223256
Volume
9.3029042424766E+21
Space diagonal
36427844.797787
Perimeter
63094878
Area
1.9153420194327E+14
Altitude
18213922.398893
Surface area
1.9153420194327E+14
Volume
1.0963577790974E+21
Height
9914403.5759862