18993899 is an odd 8-digits prime number following 18993898
and preceding 18993900 . In scientific notation, it is written as 1.8993899 × 10^7.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 18993898 positive integers (up to 18993899) that are relatively prime to 18993899.
18993899 has 2 divisors, whose sum is 18993900
The reverse of 18993899 is 99839981
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
eighteen million nine hundred ninety-three thousand eight hundred ninety-nine
Scientific notation
1.8993899 × 10^7
Engineering notation
1.8993899 × 10^6
Prime Factorization
18993899
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18993899
Product of the distinct prime numbers
The prime factorization of 18993899 is 18993899.
Since it has a total of 1 prime factors.
6 , 9 , 80 , 58 , 544 , 241 , 5393 , 145 , 37085 , 64016 , 207382 , 920396 , 1050909 , 9982707 , 75499728 , 80004253 , 730770887 , 106741520 , 2669631748 , 1670471228
n×2
37987798
n×3
56981697
n×4
75975596
n×5
94969495
n÷2
9496949.5
n÷3
6331299.6666667
n÷3
4748474.75
n÷5
3798779.8
n2
360768199222201
n3
6.8523947384384E+21
n4
1.3015369357003E+29
n5
2.4721261101461E+36
2 √n
4358.1990546555
3 √n
266.81160055414
4 √n
66.016657402927
5 √n
28.557673556863
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18993900
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9496950
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4358.1991693818
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999894703
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18993899 can be divided by 2 positive divisors.
The sum of these divisors (counting 18993899) is 18993900, the average is 9496950.
Base
System
Value
2
Binary
1001000011101001011101011
3
Ternary
1022201222201202
4
Quaternary
1020131023223
5
Quinary
14330301044
6
Senary
1515034415
8
Octal
110351353
10
Decimal
18993899
12
Duodecimal
643ba0b
16
Hexadecimal
121d2eb
20
Vigesimal
5ie4ej
36
Base36
bb3sb
md5
21eb78f02680388649a4599ebc5f7a39
sha1
fb16514c0f1ac0e229529ca4ba31ceae1de10f23
sha256
08484f0e58d2d3cfefcc764000ed16c0e25ea0d8290cae57d491bf408ea34bf2
sha512
d0c10ffae08fa1e2b6f1be6c87317fb5582e6b2a4adad9a72a10b115e270732fb1956b72d0acee1ec2ec0be7b0ab0e4b7c3fec2b17611c0659aea70d41fd52af
ripemd-160
c03302b72723220ae7375d6d8c911405a0c1a561
Diameter
37987798
Circumference
119342187.12285
Area
1.1333867243253E+15
Volume
2.87032439597E+22
Surface area
4.5335468973011E+15
Circumference
119342187.12285
Perimeter
75975596
Area
360768199222201
Diagonal
26861429.568145
Surface area
2164609195333206
Volume
6.8523947384384E+21
Space diagonal
32898398.101832
Perimeter
56981697
Area
1.56217212702E+14
Altitude
16449199.050916
Surface area
1.56217212702E+14
Volume
8.0756246448613E+20
Height
8953809.8560483