21031523 is an odd 8-digits composite number following 21031522
and preceding 21031524 . In scientific notation, it is written as 2.1031523 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 20924568 positive integers (up to 21031523) that are relatively prime to 21031523.
21031523 has 4 divisors, whose sum is 21138480
The reverse of 21031523 is 32513012
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-one million thirty-one thousand five hundred twenty-three
Scientific notation
2.1031523 × 10^7
Engineering notation
2.1031523 × 10^6
Prime Factorization
197 × 106759
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21031523
Product of the distinct prime numbers
The prime factorization of 21031523 is 197 × 106759.
Since it has a total of 2 prime factors.
8 , 2 , 43 , 13 , 365 , 717 , 6411 , 5713 , 51208 , 34871 , 973823 , 695198 , 6692731 , 2338513 , 74197094 , 58129675 , 426232248 , 408935524 , 6590514572 , 8453505838
n×2
42063046
n×3
63094569
n×4
84126092
n×5
105157615
n÷2
10515761.5
n÷3
7010507.6666667
n÷3
5257880.75
n÷5
4206304.6
n2
442324959699529
n3
9.3027675633947E+21
n4
1.9565136997319E+29
n5
4.1148462875727E+36
2 √n
4586.0138464684
3 √n
276.03039555324
4 √n
67.720114046481
5 √n
29.145676800929
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031522
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031523 can be divided by 4 positive divisors.
The sum of these divisors (counting 21031523) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001110101001100011
3
Ternary
1110120111211022
4
Quaternary
1100032221203
5
Quinary
20341002043
6
Senary
2030440055
8
Octal
120165143
10
Decimal
21031523
12
Duodecimal
706302b
16
Hexadecimal
140ea63
20
Vigesimal
6b8ig3
36
Base36
cis0z
md5
99dc70fa62b635fbf01efbe275e425f1
sha1
78f78d85047931d33cbbbac77d495e3af49dab38
sha256
f22cab16920b83f77063af4be601fb09eaf81ec4f762d9ebb925828d40cfef8e
sha512
2c2d365f242dc5092a761092378a17ea77da20a0e37a6af80d848846dcacdcecbb07065bc030c3a4cb56aa8cc895aa88ddc086d5cd4900c3952c8e1c7efe8b14
ripemd-160
6061da80c54386e3f594d264a4c7301937e86e46
Diameter
42063046
Circumference
132144956.30121
Area
1.3896048438914E+15
Volume
3.8967341646952E+22
Surface area
5.5584193755658E+15
Circumference
132144956.30121
Perimeter
84126092
Area
442324959699529
Diagonal
29743065.063962
Surface area
2653949758197174
Volume
9.3027675633947E+21
Space diagonal
36427666.396553
Perimeter
63094569
Area
1.9153232591386E+14
Altitude
18213833.198277
Surface area
1.9153232591386E+14
Volume
1.0963416713131E+21
Height
9914355.0213206