20145618 is an even 8-digits composite number following 20145617
and preceding 20145619 . In scientific notation, it is written as 2.0145618 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 6587568 positive integers (up to 20145618) that are relatively prime to 20145618.
20145618 has 32 divisors, whose sum is 45619200
The reverse of 20145618 is 81654102
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred forty-five thousand six hundred eighteen
Scientific notation
2.0145618 × 10^7
Engineering notation
2.0145618 × 10^6
Prime Factorization
2 × 3 × 9 × 53 × 7039
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20145618
Product of the distinct prime numbers
The prime factorization of 20145618 is 2 × 3 × 9 × 53 × 7039.
Since it has a total of 5 prime factors.
9 , 3 , 51 , 1 , 998 , 579 , 3515 , 6748 , 20057 , 65111 , 494209 , 785555 , 1138979 , 3329795 , 26435876 , 42983090 , 578077472 , 248272502 , 9022908395 , 6445598950
n×2
40291236
n×3
60436854
n×4
80582472
n×5
100728090
n÷2
10072809
n÷3
6715206
n÷3
5036404.5
n÷5
4029123.6
n2
405845924601924
n3
8.1760169638872E+21
n4
1.6471091451599E+29
n5
3.3182031642698E+36
2 √n
4488.3870153987
3 √n
272.0989493656
4 √n
66.995425331874
5 √n
28.895892897473
1 , 2 , 3 , 6 , 9 , 18 , 27 , 53 , 54 , 106 , 159 , 318 , 477 , 954 , 1431 , 2862 , 7039 , 14078 , 21117 , 42234 , 63351 , 126702 , 190053 , 373067 , 380106 , 746134 , 1119201 , 2238402 , 3357603 , 6715206 , 10072809 , 20145618
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145617
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145618 can be divided by 32 positive divisors.
The sum of these divisors (counting 20145618) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100110110010111010010
3
Ternary
1101220111121000
4
Quaternary
1030312113102
5
Quinary
20124124433
6
Senary
1555442430
8
Octal
114662722
10
Decimal
20145618
12
Duodecimal
68b6416
16
Hexadecimal
13365d2
20
Vigesimal
65i40i
36
Base36
bzsgi
md5
b420ab2c03c2d50e050f7316063addcb
sha1
d6ee990f223be8c0cdddcbbcd8ada70f3542d7b7
sha256
db4d71f079ac1b825ada3651027c101a5c195606fd75be6a90c9e90ecc5bcf2c
sha512
8c3b9485f5cd8b4eaf534bcbb6ce81d95e5d95bdc6480a8eab753bac55ac8ef6249494eab16e90f8c79518a9ec64edbdd6df8f4cb86c8fd08e4bfc1c38c7c887
ripemd-160
6b69f8041b02d12842a6db49c94c93cd372f9114
Diameter
40291236
Circumference
126578651.02165
Area
1.2750025752188E+15
Volume
3.4247619772498E+22
Surface area
5.100010300875E+15
Circumference
126578651.02165
Perimeter
80582472
Area
405845924601924
Diagonal
28490206.197988
Surface area
2435075547611544
Volume
8.1760169638872E+21
Space diagonal
34893233.925874
Perimeter
60436854
Area
1.7573644036383E+14
Altitude
17446616.962937
Surface area
1.7573644036383E+14
Volume
9.6355283971014E+20
Height
9496735.3993292