18542980 is an even 8-digits composite number following 18542979
and preceding 18542981 . In scientific notation, it is written as 1.8542980 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 7417184 positive integers (up to 18542980) that are relatively prime to 18542980.
18542980 has 12 divisors, whose sum is 38940300
The reverse of 18542980 is 08924581
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighteen million five hundred forty-two thousand nine hundred eighty
Scientific notation
1.8542980 × 10^7
Engineering notation
1.8542980 × 10^6
Prime Factorization
2 × 2 × 5 × 927149
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9271490
Product of the distinct prime numbers
The prime factorization of 18542980 is 2 × 2 × 5 × 927149.
Since it has a total of 4 prime factors.
7 , 5 , 1 , 2 , 561 , 567 , 8080 , 4790 , 77980 , 68715 , 281946 , 247241 , 2133538 , 6055617 , 83530952 , 32412911 , 75162637 , 872254779 , 3584168752 , 1717094896
n×2
37085960
n×3
55628940
n×4
74171920
n×5
92714900
n÷2
9271490
n÷3
6180993.3333333
n÷3
4635745
n÷5
3708596
n2
343842107280400
n3
6.3758573184583E+21
n4
1.1822739473903E+29
n5
2.1922882160979E+36
2 √n
4306.1560584819
3 √n
264.68328128505
4 √n
65.621307960767
5 √n
28.420774315665
1 , 2 , 4 , 5 , 10 , 20 , 927149 , 1854298 , 3708596 , 4635745 , 9271490 , 18542980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18542979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18542980 can be divided by 12 positive divisors.
The sum of these divisors (counting 18542980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110101111000110000100
3
Ternary
1021220002012001
4
Quaternary
1012233012010
5
Quinary
14221333410
6
Senary
1501235044
8
Octal
106570604
10
Decimal
18542980
12
Duodecimal
6262a84
16
Hexadecimal
11af184
20
Vigesimal
5fhh90
36
Base36
b1fus
md5
b105fcf340714d42dc91e69325857516
sha1
d6471c67a28cccce2c407778cabb1860562a3ddc
sha256
7548f38aeb714fded0179ce49213fe95d0f1171b7d947523cc0cbb0ed2ffaef9
sha512
cc4a8e86319e2a9fbf86aa6cfe9006a88299cdd912f2cd3ec4ede7ee2893a77c95c6c3ce6d96607af0b793a12800e7895f4d2c11c2c5a47e263d5b67ff780b58
ripemd-160
128c09963c5469f121e0856a9ae7434781c90d72
Diameter
37085960
Circumference
116508979.48732
Area
1.0802118382269E+15
Volume
2.6707128682674E+22
Surface area
4.3208473529078E+15
Circumference
116508979.48732
Perimeter
74171920
Area
343842107280400
Diagonal
26223733.802813
Surface area
2063052643682400
Volume
6.3758573184583E+21
Space diagonal
32117383.483734
Perimeter
55628940
Area
1.488879998978E+14
Altitude
16058691.741867
Surface area
1.488879998978E+14
Volume
7.5140199095996E+20
Height
8741244.6009377