18889993 is an odd 8-digits prime number following 18889992
and preceding 18889994 . In scientific notation, it is written as 1.8889993 × 10^7.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 18889992 positive integers (up to 18889993) that are relatively prime to 18889993.
18889993 has 2 divisors, whose sum is 18889994
The reverse of 18889993 is 39998881
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighteen million eight hundred eighty-nine thousand nine hundred ninety-three
Scientific notation
1.8889993 × 10^7
Engineering notation
1.8889993 × 10^6
Prime Factorization
18889993
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18889993
Product of the distinct prime numbers
The prime factorization of 18889993 is 18889993.
Since it has a total of 1 prime factors.
10 , 6 , 44 , 53 , 600 , 350 , 7264 , 7028 , 31799 , 11854 , 881813 , 342416 , 5364870 , 5232990 , 13661041 , 98907394 , 560648465 , 25201232 , 7937353187 , 538452910
n×2
37779986
n×3
56669979
n×4
75559972
n×5
94449965
n÷2
9444996.5
n÷3
6296664.3333333
n÷3
4722498.25
n÷5
3777998.6
n2
356831835540049
n3
6.7405508755287E+21
n4
1.2732895885488E+29
n5
2.405243141466E+36
2 √n
4346.2619571305
3 √n
266.32418029014
4 √n
65.926185671025
5 √n
28.526360048345
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18889994
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9444997
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4346.2620721719
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998941238
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18889993 can be divided by 2 positive divisors.
The sum of these divisors (counting 18889993) is 18889994, the average is 9444997.
Base
System
Value
2
Binary
1001000000011110100001001
3
Ternary
1022112201012101
4
Quaternary
1020003310021
5
Quinary
14313434433
6
Senary
1512513401
8
Octal
110036411
10
Decimal
18889993
12
Duodecimal
63ab861
16
Hexadecimal
1203d09
20
Vigesimal
5i14jd
36
Base36
b8vm1
md5
95017a382182c5f74de17cf58eabcf45
sha1
4a38d0bb1ccdaf797a117cd343cfc20cab7b6267
sha256
58ccf2a8e9940144926a16b806b42f3c5b7743cfa93807c7e5d1c10418806af3
sha512
56d467e868fad01de42f59484ccd1a7b40eb71d8edb9dc66c1429a3ac2a232cfd34442573aca8b97755654644550785b57160659f6e66076a387283eb2bef2b2
ripemd-160
1b0041bf4a27077486686c1f224e5ac6488e1e11
Diameter
37779986
Circumference
118689326.47033
Area
1.1210202730996E+15
Volume
2.8234753482279E+22
Surface area
4.4840810923983E+15
Circumference
118689326.47033
Perimeter
75559972
Area
356831835540049
Diagonal
26714484.293733
Surface area
2140991013240294
Volume
6.7405508755287E+21
Space diagonal
32718427.63062
Perimeter
56669979
Area
1.5451271722836E+14
Altitude
16359213.81531
Surface area
1.5451271722836E+14
Volume
7.9438153883654E+20
Height
8904828.0979109