18886972 is an even 8-digits composite number following 18886971
and preceding 18886973 . In scientific notation, it is written as 1.8886972 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors.
There are 8717040 positive integers (up to 18886972) that are relatively prime to 18886972.
18886972 has 12 divisors, whose sum is 35594776
The reverse of 18886972 is 27968881
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighteen million eight hundred eighty-six thousand nine hundred seventy-two
Scientific notation
1.8886972 × 10^7
Engineering notation
1.8886972 × 10^6
Prime Factorization
2 × 2 × 13 × 363211
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9443486
Product of the distinct prime numbers
The prime factorization of 18886972 is 2 × 2 × 13 × 363211.
Since it has a total of 4 prime factors.
3 , 7 , 10 , 75 , 484 , 418 , 5524 , 3909 , 7431 , 67712 , 870667 , 538875 , 6254562 , 7125316 , 24205574 , 77330812 , 816639868 , 258892702 , 2577610988 , 1111584190
n×2
37773944
n×3
56660916
n×4
75547888
n×5
94434860
n÷2
9443486
n÷3
6295657.3333333
n÷3
4721743
n÷5
3777394.4
n2
356717711328784
n3
6.7373174257708E+21
n4
1.2724752557565E+29
n5
2.4033204526165E+36
2 √n
4345.9144032068
3 √n
266.30998215108
4 √n
65.923549686032
5 √n
28.525447568948
1 , 2 , 4 , 13 , 26 , 52 , 363211 , 726422 , 1452844 , 4721743 , 9443486 , 18886972
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
-18886971
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 18886972 can be divided by 12 positive divisors.
The sum of these divisors (counting 18886972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000000011000100111100
3
Ternary
1022112120001111
4
Quaternary
1020003010330
5
Quinary
14313340342
6
Senary
1512451404
8
Octal
110030474
10
Decimal
18886972
12
Duodecimal
63a9b64
16
Hexadecimal
120313c
20
Vigesimal
5i0h8c
36
Base36
b8ta4
md5
98a73f66f9c57f58f9b17503647a3035
sha1
f9c85167bb6ff23000e84b6556cfca18e46dc7fa
sha256
e08ca96a8d14abd8759873ad08697b0ccd250f606871770f55c812aa2314b6f1
sha512
21ad262e8b3ae7e58da87af05183caf5c3647367352efb4bba76f3a4a8c9e6f93b5d74337efa62cd57c7341b2e5108f98f1d7724849df2eb28eb0abaf06f4043
ripemd-160
7bb5f9c659890de1ad8fef9bab9e1f92a0b29315
Diameter
37773944
Circumference
118670344.96751
Area
1.1206617413159E+15
Volume
2.8221209239605E+22
Surface area
4.4826469652635E+15
Circumference
118670344.96751
Perimeter
75547888
Area
356717711328784
Diagonal
26710211.954561
Surface area
2140306267972704
Volume
6.7373174257708E+21
Space diagonal
32713195.105131
Perimeter
56660916
Area
1.5446329999529E+14
Altitude
16356597.552565
Surface area
1.5446329999529E+14
Volume
7.9400047312814E+20
Height
8903403.9848536