20181125 is an odd 8-digits composite number following 20181124
and preceding 20181126 . In scientific notation, it is written as 2.0181125 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 15193600 positive integers (up to 20181125) that are relatively prime to 20181125.
20181125 has 8 divisors, whose sum is 21541464
The reverse of 20181125 is 52118102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred eighty-one thousand one hundred twenty-five
Scientific notation
2.0181125 × 10^7
Engineering notation
2.0181125 × 10^6
Prime Factorization
125 × 17 × 9497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20181125
Product of the distinct prime numbers
The prime factorization of 20181125 is 125 × 17 × 9497.
Since it has a total of 3 prime factors.
2 , 6 , 60 , 68 , 895 , 77 , 1779 , 4957 , 81687 , 43797 , 205507 , 440553 , 8998864 , 126656 , 89741335 , 36218393 , 825332683 , 570122305 , 5753275559 , 9901913481
n×2
40362250
n×3
60543375
n×4
80724500
n×5
100905625
n÷2
10090562.5
n÷3
6727041.6666667
n÷3
5045281.25
n÷5
4036225
n2
407277806265625
n3
8.2193243179724E+21
n4
1.6587521147654E+29
n5
3.3475483772095E+36
2 √n
4492.3407039093
3 √n
272.25871523972
4 √n
67.024925989584
5 √n
28.906071626082
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181124
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181125 can be divided by 8 positive divisors.
The sum of these divisors (counting 20181125) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111111000010000101
3
Ternary
1101222022022002
4
Quaternary
1030333002011
5
Quinary
20131244000
6
Senary
2000315045
8
Octal
114770205
10
Decimal
20181125
12
Duodecimal
6912a85
16
Hexadecimal
133f085
20
Vigesimal
662cg5
36
Base36
c0jut
md5
ffe685a8dab34bd134ee89f91d95b667
sha1
d4234c308f63d0413bfbf8935bd2738b905fe064
sha256
42d073ceba3e9b9373f39439c3d62cb89b079763f73f34c7d1de168ef5385211
sha512
395c600af7da157f9fe7c8d0819ed6294f803acfecbdbb1ab05d0719c46c2bf5d36bc46011c9b982b8a8390654d63ce558008dbc1a2677bf392d390932b25152
ripemd-160
e7375107f243f654448246047fb5270cff80fb67
Diameter
40362250
Circumference
126801748.08235
Area
1.2795009641343E+15
Volume
3.4429025193085E+22
Surface area
5.118003856537E+15
Circumference
126801748.08235
Perimeter
80724500
Area
407277806265625
Diagonal
28540420.678947
Surface area
2443666837593750
Volume
8.2193243179724E+21
Space diagonal
34954733.853898
Perimeter
60543375
Area
1.7635646331181E+14
Altitude
17477366.926949
Surface area
1.7635646331181E+14
Volume
9.6865666033496E+20
Height
9513473.5596489