21568197 is an odd 8-digits composite number following 21568196
and preceding 21568198 . In scientific notation, it is written as 2.1568197 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 11934720 positive integers (up to 21568197) that are relatively prime to 21568197.
21568197 has 16 divisors, whose sum is 23324400
The reverse of 21568197 is 79186512
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million five hundred sixty-eight thousand one hundred ninety-seven
Scientific notation
2.1568197 × 10^7
Engineering notation
2.1568197 × 10^6
Prime Factorization
21 × 61 × 113 × 149
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21568197
Product of the distinct prime numbers
The prime factorization of 21568197 is 21 × 61 × 113 × 149.
Since it has a total of 4 prime factors.
10 , 7 , 91 , 37 , 508 , 187 , 4914 , 9746 , 82842 , 40477 , 753610 , 687678 , 5146975 , 7162770 , 46280044 , 66447508 , 181178364 , 360464399 , 7714202144 , 5001944522
n×2
43136394
n×3
64704591
n×4
86272788
n×5
107840985
n÷2
10784098.5
n÷3
7189399
n÷3
5392049.25
n÷5
4313639.4
n2
465187121830809
n3
1.003324748551E+22
n4
2.1639905831723E+29
n5
4.6673375204005E+36
2 √n
4644.1572970777
3 √n
278.35858098229
4 √n
68.148054242786
5 √n
29.292926933997
1 , 21 , 61 , 113 , 149 , 1281 , 2373 , 3129 , 6893 , 9089 , 16837 , 144753 , 190869 , 353577 , 1027057 , 21568197
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
-21568196
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 21568197 can be divided by 16 positive divisors.
The sum of these divisors (counting 21568197) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010010001101011000101
3
Ternary
1111120210000010
4
Quaternary
1102101223011
5
Quinary
21010140242
6
Senary
2050140433
8
Octal
122215305
10
Decimal
21568197
12
Duodecimal
7281719
16
Hexadecimal
1491ac5
20
Vigesimal
6eg09h
36
Base36
cua4l
md5
2caa6bc6461666bbb750cef356b5b6ba
sha1
9641e841845c02b1452b23833072409693069dbb
sha256
2597b05dedf3d753b176fc9e2f428a2066664d75b3e5c2e6b1f25d7613dbc22f
sha512
ae47c649aa710faa8fccb87efef41c854052c1f2a99f0a173451f0c21702f2c92270faba9425463e6c4bbcabc1c658e2fceb21314291a3712de496c21e3c196e
ripemd-160
232200ed3c1b33d6b6f617e6fff71550037d8962
Diameter
43136394
Circumference
135516978.49275
Area
1.4614284444882E+15
Volume
4.2027168789502E+22
Surface area
5.845713777953E+15
Circumference
135516978.49275
Perimeter
86272788
Area
465187121830809
Diagonal
30502036.713335
Surface area
2791122730984854
Volume
1.003324748551E+22
Space diagonal
37357213.031655
Perimeter
64704591
Area
2.0143193250942E+14
Altitude
18678606.515827
Surface area
2.0143193250942E+14
Volume
1.1824295557212E+21
Height
10167345.571112