18707972 is an even 8-digits composite number following 18707971
and preceding 18707973 . In scientific notation, it is written as 1.8707972 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 9125760 positive integers (up to 18707972) that are relatively prime to 18707972.
18707972 has 12 divisors, whose sum is 33537756
The reverse of 18707972 is 27970781
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million seven hundred seven thousand nine hundred seventy-two
Scientific notation
1.8707972 × 10^7
Engineering notation
1.8707972 × 10^6
Prime Factorization
2 × 2 × 41 × 114073
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9353986
Product of the distinct prime numbers
The prime factorization of 18707972 is 2 × 2 × 41 × 114073.
Since it has a total of 4 prime factors.
5 , 6 , 17 , 52 , 10 , 984 , 336 , 206 , 53338 , 41340 , 921166 , 778020 , 3729694 , 1080885 , 83949827 , 2875702 , 396906649 , 15945207 , 7898885820 , 4256711314
n×2
37415944
n×3
56123916
n×4
74831888
n×5
93539860
n÷2
9353986
n÷3
6235990.6666667
n÷3
4676993
n÷5
3741594.4
n2
349988216352784
n3
6.5475697518578E+21
n4
1.224917515858E+29
n5
2.2915722588982E+36
2 √n
4325.2713209694
3 √n
265.46599862729
4 √n
65.76679497261
5 √n
28.471171819087
1 , 2 , 4 , 41 , 82 , 164 , 114073 , 228146 , 456292 , 4676993 , 9353986 , 18707972
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
-18707971
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 18707972 can be divided by 12 positive divisors.
The sum of these divisors (counting 18707972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111010111011000000100
3
Ternary
1022012110111212
4
Quaternary
1013113120010
5
Quinary
14242123342
6
Senary
1504550552
8
Octal
107273004
10
Decimal
18707972
12
Duodecimal
6322458
16
Hexadecimal
11d7604
20
Vigesimal
5gi9ic
36
Base36
b4z5w
md5
c47c125357bd07009b5b8e48057336a6
sha1
10809bfe05ad19f5b0d1d0050728e2b17df93387
sha256
5885cd9d0adaf9d53d374e1a6074c3b38a8228a526f4b4e4b4d2d9b11d86599e
sha512
1a359a84434fc66e8992298d44eaada05bf6ad78636dbaffa6a3c5f590cc2d7c74982d49056e43a5b92d970d898f831f416ea69193610bbca3c8686181e3e652
ripemd-160
76056e5d563e42b7dcece981b2cfa1a9d5392625
Diameter
37415944
Circumference
117545654.79753
Area
1.0995204093369E+15
Volume
2.7426396041738E+22
Surface area
4.3980816373476E+15
Circumference
117545654.79753
Perimeter
74831888
Area
349988216352784
Diagonal
26457067.726896
Surface area
2099929298116704
Volume
6.5475697518578E+21
Space diagonal
32403158.010576
Perimeter
56123916
Area
1.5154934319336E+14
Altitude
16201579.005288
Surface area
1.5154934319336E+14
Volume
7.716384953051E+20
Height
8819022.575632