20149438 is an even 8-digits composite number following 20149437
and preceding 20149439 . In scientific notation, it is written as 2.0149438 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10074718 positive integers (up to 20149438) that are relatively prime to 20149438.
20149438 has 4 divisors, whose sum is 30224160
The reverse of 20149438 is 83494102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-nine thousand four hundred thirty-eight
Scientific notation
2.0149438 × 10^7
Engineering notation
2.0149438 × 10^6
Prime Factorization
2 × 10074719
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20149438
Product of the distinct prime numbers
The prime factorization of 20149438 is 2 × 10074719.
Since it has a total of 2 prime factors.
8 , 4 , 8 , 90 , 976 , 437 , 1183 , 7447 , 86853 , 34720 , 963257 , 967037 , 7060362 , 2423821 , 82632572 , 41970726 , 659064927 , 62357462 , 1446665672 , 1675566950
n×2
40298876
n×3
60448314
n×4
80597752
n×5
100747190
n÷2
10074719
n÷3
6716479.3333333
n÷3
5037359.5
n÷5
4029887.6
n2
405999851715844
n3
8.1806688401576E+21
n4
1.6483587959329E+29
n5
3.3213503360404E+36
2 √n
4488.8125378545
3 √n
272.11614669185
4 √n
66.998601014159
5 √n
28.89698865874
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
-20149437
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 20149438 can be divided by 4 positive divisors.
The sum of these divisors (counting 20149438) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110111010010111110
3
Ternary
1101220200211111
4
Quaternary
1030313102332
5
Quinary
20124240223
6
Senary
1555512234
8
Octal
114672276
10
Decimal
20149438
12
Duodecimal
68b867a
16
Hexadecimal
13374be
20
Vigesimal
65idbi
36
Base36
bzvem
md5
5b78ad43fcf0024520c7be8eb95dd412
sha1
70bba5da7b4bbed459e44f63de435017580cd62a
sha256
519f4740ce5a05f97577a580cd582bfcb63f2fe32c4b09499e85e9d49d28b10a
sha512
6c35c0c8e59cc85de14fc772191bb7d80683192d65e4cfc569934324fb5487d3396fb9f0b061d21da3dbf47ac8945fdacab8ab8b06dddb29d5c2749d08af6099
ripemd-160
c246a1ec6e88bbf87edaa698788011fadbd2c185
Diameter
40298876
Circumference
126602652.78953
Area
1.275486151509E+15
Volume
3.4267105506253E+22
Surface area
5.1019446060362E+15
Circumference
126602652.78953
Perimeter
80597752
Area
405999851715844
Diagonal
28495608.493796
Surface area
2435999110295064
Volume
8.1806688401576E+21
Space diagonal
34899850.359959
Perimeter
60448314
Area
1.7580309275932E+14
Altitude
17449925.17998
Surface area
1.7580309275932E+14
Volume
9.6410106858615E+20
Height
9498536.1645986