21531146 is an even 8-digits composite number following 21531145
and preceding 21531147 . In scientific notation, it is written as 2.1531146 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 8015616 positive integers (up to 21531146) that are relatively prime to 21531146.
21531146 has 8 divisors, whose sum is 32322240
The reverse of 21531146 is 64113512
Previous prime number is 1547
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million five hundred thirty-one thousand one hundred forty-six
Scientific notation
2.1531146 × 10^7
Engineering notation
2.1531146 × 10^6
Prime Factorization
2 × 1547 × 6959
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21531146
Product of the distinct prime numbers
The prime factorization of 21531146 is 2 × 1547 × 6959.
Since it has a total of 3 prime factors.
2 , 2 , 90 , 94 , 272 , 618 , 4789 , 6369 , 233 , 4838 , 144454 , 856962 , 4406525 , 9181351 , 91298464 , 25822069 , 104101938 , 326478857 , 7985113250 , 9960664364
n×2
43062292
n×3
64593438
n×4
86124584
n×5
107655730
n÷2
10765573
n÷3
7177048.6666667
n÷3
5382786.5
n÷5
4306229.2
n2
463590248073316
n3
9.9816293154428E+21
n4
2.1491591810868E+29
n5
4.627386010522E+36
2 √n
4640.166591837
3 √n
278.19909654788
4 √n
68.118768278918
5 √n
29.282855820662
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
-21531145
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 21531146 can be divided by 8 positive divisors.
The sum of these divisors (counting 21531146) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010001000101000001010
3
Ternary
1111111220011212
4
Quaternary
1102020220022
5
Quinary
21002444041
6
Senary
2045253122
8
Octal
122105012
10
Decimal
21531146
12
Duodecimal
72641a2
16
Hexadecimal
1488a0a
20
Vigesimal
6eb7h6
36
Base36
cthje
md5
6e130e78dc8c68ea3fde5103957c44d5
sha1
3d6e29873ebecb67511172f57bcbc2c0b8341afe
sha256
f83e12d8208608df2c309cef71e32fbb4bda174ccefa390b41246b0cb6b63c6d
sha512
0fccf59a3cbd9a7c253688f8bb9840f228a9de3b9d3d96f6e5e18f3983fd5973e1b8d93425cb833d6ad61f8c5a997e65370461982310162e51f0e69276d8212d
ripemd-160
a8ad7e9ee54e74ad1cfeed496331a18284edce4e
Diameter
43062292
Circumference
135284180.19394
Area
1.456411717623E+15
Volume
4.1810951104335E+22
Surface area
5.825646870492E+15
Circumference
135284180.19394
Perimeter
86124584
Area
463590248073316
Diagonal
30449638.686635
Surface area
2781541488439896
Volume
9.9816293154428E+21
Space diagonal
37293038.817183
Perimeter
64593438
Area
2.0074046588911E+14
Altitude
18646519.408592
Surface area
2.0074046588911E+14
Volume
1.17634629604E+21
Height
10149879.562212