18372972 is an even 8-digits composite number following 18372971
and preceding 18372973 . In scientific notation, it is written as 1.8372972 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 6124320 positive integers (up to 18372972) that are relatively prime to 18372972.
18372972 has 12 divisors, whose sum is 42870296
The reverse of 18372972 is 27927381
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million three hundred seventy-two thousand nine hundred seventy-two
Scientific notation
1.8372972 × 10^7
Engineering notation
1.8372972 × 10^6
Prime Factorization
2 × 2 × 3 × 1531081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9186486
Product of the distinct prime numbers
The prime factorization of 18372972 is 2 × 2 × 3 × 1531081.
Since it has a total of 4 prime factors.
6 , 3 , 87 , 34 , 480 , 164 , 9136 , 4290 , 2896 , 27979 , 551105 , 744791 , 1663176 , 9637402 , 55363933 , 81711055 , 701764571 , 907212429 , 2497915648 , 3790534562
n×2
36745944
n×3
55118916
n×4
73491888
n×5
91864860
n÷2
9186486
n÷3
6124324
n÷3
4593243
n÷5
3674594.4
n2
337566100112784
n3
6.2020925055214E+21
n4
1.1395087194535E+29
n5
2.0936161796276E+36
2 √n
4286.3704926196
3 √n
263.87189606717
4 √n
65.47037874199
5 √n
28.368467979216
1 , 2 , 3 , 4 , 6 , 12 , 1531081 , 3062162 , 4593243 , 6124324 , 9186486 , 18372972
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
-18372971
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 18372972 can be divided by 12 positive divisors.
The sum of these divisors (counting 18372972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110000101100101101100
3
Ternary
1021120102222110
4
Quaternary
1012011211230
5
Quinary
14200413342
6
Senary
1453444020
8
Octal
106054554
10
Decimal
18372972
12
Duodecimal
61a0610
16
Hexadecimal
118596c
20
Vigesimal
5egc8c
36
Base36
axsoc
md5
fc1cf45aacad71eeed1588411c2b58d8
sha1
cf6e7735b5da7963f42651e2d59e51b2ea805b77
sha256
0d6b243898d8d293143c12ab8c00f74ed5ec319849f5c511bce7743adf76ad40
sha512
e3fed5f010d8e4a21ddce32394300656e8927d37d2e26e57b781506734d5efda2da370d13b0867d538bf2becbe18a25e22dfdff26972dac47dc33411eb6e3653
ripemd-160
3b2cddfe235c45aa2217e75bd85b973f6d6464a3
Diameter
36745944
Circumference
115440787.71962
Area
1.0604951802153E+15
Volume
2.5979264336307E+22
Surface area
4.2419807208611E+15
Circumference
115440787.71962
Perimeter
73491888
Area
337566100112784
Diagonal
25983306.183501
Surface area
2025396600676704
Volume
6.2020925055214E+21
Space diagonal
31822920.99004
Perimeter
55118916
Area
1.4617040907706E+14
Altitude
15911460.49502
Surface area
1.4617040907706E+14
Volume
7.3092361136674E+20
Height
8661102.061167