20145418 is an even 8-digits composite number following 20145417
and preceding 20145419 . In scientific notation, it is written as 2.0145418 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 10072708 positive integers (up to 20145418) that are relatively prime to 20145418.
20145418 has 4 divisors, whose sum is 30218130
The reverse of 20145418 is 81454102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred forty-five thousand four hundred eighteen
Scientific notation
2.0145418 × 10^7
Engineering notation
2.0145418 × 10^6
Prime Factorization
2 × 10072709
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145418
Product of the distinct prime numbers
The prime factorization of 20145418 is 2 × 10072709.
Since it has a total of 2 prime factors.
8 , 8 , 95 , 100 , 822 , 817 , 6800 , 6956 , 17879 , 808 , 378145 , 909986 , 8125459 , 9893567 , 62298291 , 19055458 , 878005863 , 563193210 , 5288803663 , 7486223239
n×2
40290836
n×3
60436254
n×4
80581672
n×5
100727090
n÷2
10072709
n÷3
6715139.3333333
n÷3
5036354.5
n÷5
4029083.6
n2
405837866394724
n3
8.1757734587499E+21
n4
1.6470437379982E+29
n5
3.3180384566257E+36
2 √n
4488.3647356248
3 √n
272.09804892214
4 √n
66.995259053345
5 √n
28.895835523194
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
-20145417
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 20145418 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145418) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110010100001010
3
Ternary
1101220111022121
4
Quaternary
1030312110022
5
Quinary
20124123133
6
Senary
1555441454
8
Octal
114662412
10
Decimal
20145418
12
Duodecimal
68b628a
16
Hexadecimal
133650a
20
Vigesimal
65i3ai
36
Base36
bzsay
md5
0047079f38f4e25ea86343a29d7b66ee
sha1
74eded152236a26604e634f834233875cab0ea2c
sha256
768bbb65e37d124c06766386de943bc94e9b05c6686c8ace6ac746e18d324d75
sha512
cbc614b11e51baf3119100ccc13baa7b2c7bf33239ff916b786d4dab9b9e11f4d1d2fbd7f8b32aad29d796c1c76970512f7da37efcadff4769ed8135ae9f8cf9
ripemd-160
1836929802cabab53916e416ff8c0c61cc180164
Diameter
40290836
Circumference
126577394.38459
Area
1.2749772596142E+15
Volume
3.4246599780564E+22
Surface area
5.0999090384569E+15
Circumference
126577394.38459
Perimeter
80581672
Area
405837866394724
Diagonal
28489923.355275
Surface area
2435027198368344
Volume
8.1757734587499E+21
Space diagonal
34892887.515713
Perimeter
60436254
Area
1.7573295105775E+14
Altitude
17446443.757856
Surface area
1.7573295105775E+14
Volume
9.635241423545E+20
Height
9496641.118425