20145047 is an odd 8-digits composite number following 20145046
and preceding 20145048 . In scientific notation, it is written as 2.0145047 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 18595416 positive integers (up to 20145047) that are relatively prime to 20145047.
20145047 has 4 divisors, whose sum is 21694680
The reverse of 20145047 is 74054102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred forty-five thousand forty-seven
Scientific notation
2.0145047 × 10^7
Engineering notation
2.0145047 × 10^6
Prime Factorization
13 × 1549619
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145047
Product of the distinct prime numbers
The prime factorization of 20145047 is 13 × 1549619.
Since it has a total of 2 prime factors.
1 , 3 , 1 , 15 , 880 , 755 , 3233 , 1997 , 54137 , 46645 , 702852 , 914193 , 4144147 , 7634262 , 70757527 , 89515892 , 78311878 , 67392568 , 8126256923 , 5773256672
n×2
40290094
n×3
60435141
n×4
80580188
n×5
100725235
n÷2
10072523.5
n÷3
6715015.6666667
n÷3
5036261.75
n÷5
4029009.4
n2
405822918632209
n3
8.175321769523E+21
n4
1.6469224128716E+29
n5
3.3177329412653E+36
2 √n
4488.3234063512
3 √n
272.09637858374
4 √n
66.994950603394
5 √n
28.8957290927
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
-20145046
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 20145047 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145047) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110001110010111
3
Ternary
1101220110210212
4
Quaternary
1030312032113
5
Quinary
20124120142
6
Senary
1555440035
8
Octal
114661627
10
Decimal
20145047
12
Duodecimal
68b601b
16
Hexadecimal
1336397
20
Vigesimal
65i2c7
36
Base36
bzs0n
md5
87d82b21a79b53cc538b582fcf4d3520
sha1
62aa57ba5bde2f61b5b188192b931f93805a2ec1
sha256
06952bca094f219b3b3052e0095e386197ad04349b677d80f5a5dbaf6947c228
sha512
69f011b0c329ee867e1922f7d0a03aa2c9985e51f7b11cc8241f2dcc0a3fd9f458bf294f2637df945d670353b6f574a443f48cdd0a6cdf984815b8f50a1b4c2d
ripemd-160
722b0fede766babf82536d49152dc3432ae12c33
Diameter
40290094
Circumference
126575063.32284
Area
1.2749302998333E+15
Volume
3.4244707749155E+22
Surface area
5.0997211993333E+15
Circumference
126575063.32284
Perimeter
80580188
Area
405822918632209
Diagonal
28489398.682043
Surface area
2434937511793254
Volume
8.175321769523E+21
Space diagonal
34892244.924863
Perimeter
60435141
Area
1.7572647848672E+14
Altitude
17446122.462431
Surface area
1.7572647848672E+14
Volume
9.6347091026862E+20
Height
9496466.2273478