18668897 is an odd 8-digits composite number following 18668896
and preceding 18668898 . In scientific notation, it is written as 1.8668897 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 17232816 positive integers (up to 18668897) that are relatively prime to 18668897.
18668897 has 4 divisors, whose sum is 20104980
The reverse of 18668897 is 79886681
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighteen million six hundred sixty-eight thousand eight hundred ninety-seven
Scientific notation
1.8668897 × 10^7
Engineering notation
1.8668897 × 10^6
Prime Factorization
13 × 1436069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18668897
Product of the distinct prime numbers
The prime factorization of 18668897 is 13 × 1436069.
Since it has a total of 2 prime factors.
10 , 10 , 59 , 51 , 22 , 633 , 951 , 8297 , 95130 , 72654 , 202234 , 42511 , 9044844 , 8503678 , 10938669 , 80333405 , 740224972 , 657209585 , 318622369 , 4733180784
n×2
37337794
n×3
56006691
n×4
74675588
n×5
93344485
n÷2
9334448.5
n÷3
6222965.6666667
n÷3
4667224.25
n÷5
3733779.4
n2
348527715196609
n3
6.5066280166508E+21
n4
1.2147156826017E+29
n5
2.2677401962776E+36
2 √n
4320.7519021578
3 √n
265.28104513416
4 √n
65.732426565264
5 √n
28.45926842648
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18668896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18668897 can be divided by 4 positive divisors.
The sum of these divisors (counting 18668897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000111001101110101100001
3
Ternary
1022010110220122
4
Quaternary
1013031311201
5
Quinary
14234401042
6
Senary
1504050025
8
Octal
107156541
10
Decimal
18668897
12
Duodecimal
6303915
16
Hexadecimal
11cdd61
20
Vigesimal
5gdc4h
36
Base36
b450h
md5
1ef1817faa53796602a5df43d7e96c18
sha1
f280f6057dc2136c5cfa41a0dc89b0d4afda380f
sha256
1aefbf202b9f9ea567aef94ad62d5a7f8ee76111cdae0bd55ca329716844efd3
sha512
9fa1984ee0dd74ff7d0afccdadad1adaf958d96e2c379d7a62872745f87b458ddb68291c3748141eccbfb9ec5d3e9d6c3f1232469c73b50d332531f1f643c027
ripemd-160
44d9f3bdc3cfe5272164e6c3f9f61d3477cc522a
Diameter
37337794
Circumference
117300139.33165
Area
1.0949321096341E+15
Volume
2.7254899702336E+22
Surface area
4.3797284385364E+15
Circumference
117300139.33165
Perimeter
74675588
Area
348527715196609
Diagonal
26401807.331946
Surface area
2091166291179654
Volume
6.5066280166508E+21
Space diagonal
32335478.12527
Perimeter
56006691
Area
1.5091692764161E+14
Altitude
16167739.062635
Surface area
1.5091692764161E+14
Volume
7.668134655387E+20
Height
8800602.4439821