20180245 is an odd 8-digits composite number following 20180244
and preceding 20180246 . In scientific notation, it is written as 2.0180245 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 16144192 positive integers (up to 20180245) that are relatively prime to 20180245.
20180245 has 4 divisors, whose sum is 24216300
The reverse of 20180245 is 54208102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred eighty thousand two hundred forty-five
Scientific notation
2.0180245 × 10^7
Engineering notation
2.0180245 × 10^6
Prime Factorization
5 × 4036049
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20180245
Product of the distinct prime numbers
The prime factorization of 20180245 is 5 × 4036049.
Since it has a total of 2 prime factors.
6 , 3 , 6 , 54 , 39 , 913 , 2559 , 3891 , 31877 , 92834 , 526060 , 703858 , 3935712 , 6767506 , 17585201 , 16840538 , 237342058 , 791105366 , 436447332 , 6299583756
n×2
40360490
n×3
60540735
n×4
80720980
n×5
100901225
n÷2
10090122.5
n÷3
6726748.3333333
n÷3
5045061.25
n÷5
4036049
n2
407242288260025
n3
8.2182491514479E+21
n4
1.6584628134726E+29
n5
3.3468185899267E+36
2 √n
4492.2427583558
3 √n
272.25475789258
4 √n
67.024195320465
5 √n
28.905819531249
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
-20180244
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 20180245 can be divided by 4 positive divisors.
The sum of these divisors (counting 20180245) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111110110100010101
3
Ternary
1101222021002111
4
Quaternary
1030332310111
5
Quinary
20131231440
6
Senary
2000311021
8
Octal
114766425
10
Decimal
20180245
12
Duodecimal
6912471
16
Hexadecimal
133ed15
20
Vigesimal
662ac5
36
Base36
c0j6d
md5
c6bc516d928d625ab69b762ffe12612b
sha1
646d45a6dc991cbd1ed1fe2533f8f071aa36c602
sha256
940c872b5da4850bb11d6ce9f6f21d5376e22e3dc480aac16f1780beef272b65
sha512
2a40cd6bdf88ecc7071cda30e1bb1b6832092390b0f874ca6f557ad52d044919857f531a303e1c2a58787aa78bb1ae736996f187057e3123001f301c8cf93d70
ripemd-160
a6e35dbd9afe5c991c2ee982470d6523285a823a
Diameter
40360490
Circumference
126796218.87928
Area
1.2793893810288E+15
Volume
3.4424521546079E+22
Surface area
5.1175575241152E+15
Circumference
126796218.87928
Perimeter
80720980
Area
407242288260025
Diagonal
28539176.171012
Surface area
2443453729560150
Volume
8.2182491514479E+21
Space diagonal
34953209.649188
Perimeter
60540735
Area
1.7634108356424E+14
Altitude
17476604.824594
Surface area
1.7634108356424E+14
Volume
9.685299507449E+20
Height
9513058.7236706