20145345 is an odd 8-digits composite number following 20145344
and preceding 20145346 . In scientific notation, it is written as 2.0145345 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 9643200 positive integers (up to 20145345) that are relatively prime to 20145345.
20145345 has 16 divisors, whose sum is 23740416
The reverse of 20145345 is 54354102
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred forty-five thousand three hundred forty-five
Scientific notation
2.0145345 × 10^7
Engineering notation
2.0145345 × 10^6
Prime Factorization
15 × 11 × 83 × 1471
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145345
Product of the distinct prime numbers
The prime factorization of 20145345 is 15 × 11 × 83 × 1471.
Since it has a total of 4 prime factors.
6 , 6 , 77 , 66 , 775 , 758 , 9332 , 2486 , 64811 , 15780 , 250249 , 166996 , 1842552 , 1884351 , 51390503 , 27946869 , 439657240 , 936881697 , 2512456796 , 9331916200
n×2
40290690
n×3
60436035
n×4
80581380
n×5
100726725
n÷2
10072672.5
n÷3
6715115
n÷3
5036336.25
n÷5
4029069
n2
405834925169025
n3
8.1756845805792E+21
n4
1.6470198648695E+29
n5
3.3179783399649E+36
2 √n
4488.3566034797
3 √n
272.09772025879
4 √n
66.995198361373
5 √n
28.895814581469
1 , 11 , 15 , 83 , 165 , 913 , 1245 , 1471 , 13695 , 16181 , 22065 , 122093 , 242715 , 1343023 , 1831395 , 20145345
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145344
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145345 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145345) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110010011000001
3
Ternary
1101220111012220
4
Quaternary
1030312103001
5
Quinary
20124122340
6
Senary
1555441253
8
Octal
114662301
10
Decimal
20145345
12
Duodecimal
68b6229
16
Hexadecimal
13364c1
20
Vigesimal
65i375
36
Base36
bzs8x
md5
0a50080e4947c381d43253219d3282fd
sha1
ee3ef55ddcee3f42ea4506b3a00177853c5df7a4
sha256
5e4d6eb4ecd6e748e190bc2e0c168eb54025e1bc2bf94b8ff49ada4c49500210
sha512
fe7947cd8c1953fa697ba47949ba2f6d17529311bf6ad9ad4bade9e50b0070674aba229f4cc55ec6a973f98444bb10c3d98414df675e52cc6427319cd5f3af60
ripemd-160
b281e3ceaadca7d297c2bca785d28cd39a4419c7
Diameter
40290690
Circumference
126576935.71206
Area
1.2749680194812E+15
Volume
3.4246227488553E+22
Surface area
5.0998720779247E+15
Circumference
126576935.71206
Perimeter
80581380
Area
405834925169025
Diagonal
28489820.117685
Surface area
2435009551014150
Volume
8.1756845805792E+21
Space diagonal
34892761.076004
Perimeter
60436035
Area
1.7573167746967E+14
Altitude
17446380.538002
Surface area
1.7573167746967E+14
Volume
9.6351366796164E+20
Height
9496606.705895