18679972 is an even 8-digits composite number following 18679971
and preceding 18679973 . In scientific notation, it is written as 1.8679972 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 9331200 positive integers (up to 18679972) that are relatively prime to 18679972.
18679972 has 12 divisors, whose sum is 32720716
The reverse of 18679972 is 27997681
Previous prime number is 1801
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million six hundred seventy-nine thousand nine hundred seventy-two
Scientific notation
1.8679972 × 10^7
Engineering notation
1.8679972 × 10^6
Prime Factorization
2 × 2 × 1801 × 2593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9339986
Product of the distinct prime numbers
The prime factorization of 18679972 is 2 × 2 × 1801 × 2593.
Since it has a total of 4 prime factors.
9 , 5 , 62 , 40 , 487 , 132 , 3037 , 5934 , 94037 , 66227 , 508485 , 77248 , 1205385 , 9531542 , 94304765 , 16172662 , 446209310 , 988495837 , 8973588912 , 2725229497
n×2
37359944
n×3
56039916
n×4
74719888
n×5
93399860
n÷2
9339986
n÷3
6226657.3333333
n÷3
4669993
n÷5
3735994.4
n2
348941353920784
n3
6.5182147208823E+21
n4
1.2176006847607E+29
n5
2.2744746698511E+36
2 √n
4322.03331778
3 √n
265.33349256042
4 √n
65.742173053375
5 √n
28.4626442192
1 , 2 , 4 , 1801 , 2593 , 3602 , 5186 , 7204 , 10372 , 4669993 , 9339986 , 18679972
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
-18679971
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 18679972 can be divided by 12 positive divisors.
The sum of these divisors (counting 18679972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111010000100010100100
3
Ternary
1022011001002211
4
Quaternary
1013100202210
5
Quinary
14240224342
6
Senary
1504213204
8
Octal
107204244
10
Decimal
18679972
12
Duodecimal
630a204
16
Hexadecimal
11d08a4
20
Vigesimal
5gejic
36
Base36
b4dk4
md5
4bd3b3deea84a8e5722ea168f7e8f3c5
sha1
c191f71cddb13567d4bed124b0dbe45cbd51c46d
sha256
75bc594a11de9f3f24746fc9bf63afffd2425ed3a3073f1c9583e4562da8d983
sha512
73bb09a3e42af7180af3067e5bae8a8c8d127ffe2103df589c05728dca72c469a5a1771c20a89e060b25cfb587ace87e397459a2404b6c9d41316dff09341c19
ripemd-160
93e9b79e2f4f2dd2e1fe8d766041a4fea295bfc2
Diameter
37359944
Circumference
117369725.60893
Area
1.0962315940112E+15
Volume
2.7303433975526E+22
Surface area
4.3849263760448E+15
Circumference
117369725.60893
Perimeter
74719888
Area
348941353920784
Diagonal
26417469.74715
Surface area
2093648123524704
Volume
6.5182147208823E+21
Space diagonal
32354660.587964
Perimeter
56039916
Area
1.5109603846317E+14
Altitude
16177330.293982
Surface area
1.5109603846317E+14
Volume
7.6817897172765E+20
Height
8805823.2490499