20149538 is an even 8-digits composite number following 20149537
and preceding 20149539 . In scientific notation, it is written as 2.0149538 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 9544500 positive integers (up to 20149538) that are relatively prime to 20149538.
20149538 has 8 divisors, whose sum is 31815120
The reverse of 20149538 is 83594102
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred forty-nine thousand five hundred thirty-eight
Scientific notation
2.0149538 × 10^7
Engineering notation
2.0149538 × 10^6
Prime Factorization
2 × 19 × 530251
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20149538
Product of the distinct prime numbers
The prime factorization of 20149538 is 2 × 19 × 530251.
Since it has a total of 3 prime factors.
10 , 7 , 70 , 87 , 482 , 970 , 5045 , 6688 , 43870 , 27744 , 387027 , 900257 , 281223 , 6492076 , 79911073 , 20914039 , 116209024 , 892702169 , 8355959216 , 1010986695
n×2
40299076
n×3
60448614
n×4
80598152
n×5
100747690
n÷2
10074769
n÷3
6716512.6666667
n÷3
5037384.5
n÷5
4029907.6
n2
406003881613444
n3
8.1807906407176E+21
n4
1.6483915188518E+29
n5
3.3214327547983E+36
2 √n
4488.823676644
3 √n
272.11659685444
4 √n
66.998684141138
5 √n
28.897017341358
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
-20149537
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 20149538 can be divided by 8 positive divisors.
The sum of these divisors (counting 20149538) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110111010100100010
3
Ternary
1101220200222012
4
Quaternary
1030313110202
5
Quinary
20124241123
6
Senary
1555512522
8
Octal
114672442
10
Decimal
20149538
12
Duodecimal
68b8742
16
Hexadecimal
1337522
20
Vigesimal
65idgi
36
Base36
bzvhe
md5
e757d0c7f474d6280f5079aaef21e24a
sha1
7eaf30b26e435175db2310b6ea862aac10ebe299
sha256
ba6114922e25c0af1e0d715715be5182b0526e08bcd882c2238ad4c7e1cc20a8
sha512
34449de7ebc8c2ec990680eaf19eaf0b5038a6efaa64b895b398ef492df7e82c8a5d185554a21fdb35c8cf1f8f9971e18441b9ce5bdab07556fafffb4d2856fe
ripemd-160
fe704a88165562bdedc249e7b69b1a5531a0dfae
Diameter
40299076
Circumference
126603281.10806
Area
1.2754988118057E+15
Volume
3.4267615703246E+22
Surface area
5.1019952472229E+15
Circumference
126603281.10806
Perimeter
80598152
Area
406003881613444
Diagonal
28495749.915152
Surface area
2436023289680664
Volume
8.1807906407176E+21
Space diagonal
34900023.56504
Perimeter
60448614
Area
1.7580483775617E+14
Altitude
17450011.78252
Surface area
1.7580483775617E+14
Volume
9.6411542291981E+20
Height
9498583.3050507