18897797 is an odd 8-digits prime number following 18897796
and preceding 18897798 . In scientific notation, it is written as 1.8897797 × 10^7.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 18897796 positive integers (up to 18897797) that are relatively prime to 18897797.
18897797 has 2 divisors, whose sum is 18897798
The reverse of 18897797 is 79779881
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
eighteen million eight hundred ninety-seven thousand seven hundred ninety-seven
Scientific notation
1.8897797 × 10^7
Engineering notation
1.8897797 × 10^6
Prime Factorization
18897797
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18897797
Product of the distinct prime numbers
The prime factorization of 18897797 is 18897797.
Since it has a total of 1 prime factors.
9 , 9 , 74 , 51 , 287 , 274 , 7549 , 3272 , 42375 , 68873 , 732301 , 962744 , 129488 , 231971 , 19454438 , 92104069 , 582514617 , 658541016 , 9241722577 , 745994662
n×2
37795594
n×3
56693391
n×4
75591188
n×5
94488985
n÷2
9448898.5
n÷3
6299265.6666667
n÷3
4724449.25
n÷5
3779559.4
n2
357126731453209
n3
6.7489084742763E+21
n4
1.2753950231845E+29
n5
2.4102156242951E+36
2 √n
4347.159647402
3 √n
266.36085063643
4 √n
65.932993617778
5 √n
28.528716671078
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18897798
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9448899
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4347.1597624196
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998941676
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18897797 can be divided by 2 positive divisors.
The sum of these divisors (counting 18897797) is 18897798, the average is 9448899.
Base
System
Value
2
Binary
1001000000101101110000101
3
Ternary
1022120002220102
4
Quaternary
1020011232011
5
Quinary
14314212142
6
Senary
1513013445
8
Octal
110055605
10
Decimal
18897797
12
Duodecimal
63b4285
16
Hexadecimal
1205b85
20
Vigesimal
5i249h
36
Base36
b91mt
md5
ab66b1becd3ea5db837144fd87db9082
sha1
1f9994e1410b02639c525b39175054deb5b1443e
sha256
388194db5a11d464b45c8125c61d9f4cf58b238a744e0b32b120296bba0f9dff
sha512
1f7565f2396bd604c288091638f18e23522e227632d057feb01e5eb00094358cb1a3149478cffa3f861003f77ff9d61a15b8f37e17461f3b97ee35e933c36adb
ripemd-160
1888db72d94cede1e95e63cb0306480eace2d9fb
Diameter
37795594
Circumference
118738360.44846
Area
1.1219467159339E+15
Volume
2.8269761710048E+22
Surface area
4.4877868637357E+15
Circumference
118738360.44846
Perimeter
75591188
Area
357126731453209
Diagonal
26725520.816374
Surface area
2142760388719254
Volume
6.7489084742763E+21
Space diagonal
32731944.555123
Perimeter
56693391
Area
1.5464041090449E+14
Altitude
16365972.277561
Surface area
1.5464041090449E+14
Volume
7.9536649129468E+20
Height
8908506.9387912