20180745 is an odd 8-digits composite number following 20180744
and preceding 20180746 . In scientific notation, it is written as 2.0180745 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 9932544 positive integers (up to 20180745) that are relatively prime to 20180745.
20180745 has 16 divisors, whose sum is 24046848
The reverse of 20180745 is 54708102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eighty thousand seven hundred forty-five
Scientific notation
2.0180745 × 10^7
Engineering notation
2.0180745 × 10^6
Prime Factorization
15 × 27 × 13 × 3833
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20180745
Product of the distinct prime numbers
The prime factorization of 20180745 is 15 × 27 × 13 × 3833.
Since it has a total of 4 prime factors.
6 , 1 , 46 , 58 , 848 , 187 , 7303 , 2362 , 78317 , 46222 , 644372 , 958586 , 5046567 , 3944377 , 57274549 , 49479208 , 306946246 , 734057582 , 5533775392 , 4165677708
n×2
40361490
n×3
60542235
n×4
80722980
n×5
100903725
n÷2
10090372.5
n÷3
6726915
n÷3
5045186.25
n÷5
4036149
n2
407262468755025
n3
8.2188600300156E+21
n4
1.6586271845644E+29
n5
3.3472332261762E+36
2 √n
4492.2984095004
3 √n
272.25700639938
4 √n
67.024610476305
5 √n
28.905962768029
1 , 13 , 15 , 27 , 195 , 351 , 405 , 3833 , 5265 , 49829 , 57495 , 103491 , 747435 , 1345383 , 1552365 , 20180745
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
-20180744
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 20180745 can be divided by 16 positive divisors.
The sum of these divisors (counting 20180745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110111100001001
3
Ternary
1101222021210000
4
Quaternary
1030332330021
5
Quinary
20131240440
6
Senary
2000313213
8
Octal
114767411
10
Decimal
20180745
12
Duodecimal
6912809
16
Hexadecimal
133ef09
20
Vigesimal
662bh5
36
Base36
c0jk9
md5
e7334259ffc8fe6fb4e9db6d2903d274
sha1
952fc8780006316f7ede5a26e925686deafc930c
sha256
4efa3d99803dfa03e138a1a2e369db3fa192f2ec597faca0e182f7fb0b1ea854
sha512
b54a46cd467468a19a4b41c061523722b4b6416ac5660dc2a12627d89811bf9afb6b4136c2f96b068d4cc8b54b5265260d437a76576f148cc42474adcfb50514
ripemd-160
8cb4d3175d2146a325e805bacf63c07654048f97
Diameter
40361490
Circumference
126799360.47194
Area
1.2794527799236E+15
Volume
3.442708038824E+22
Surface area
5.1178111196945E+15
Circumference
126799360.47194
Perimeter
80722980
Area
407262468755025
Diagonal
28539883.277793
Surface area
2443574812530150
Volume
8.2188600300156E+21
Space diagonal
34954075.674592
Perimeter
60542235
Area
1.7634982197491E+14
Altitude
17477037.837296
Surface area
1.7634982197491E+14
Volume
9.6860194347452E+20
Height
9513294.425931