18989969 is an odd 8-digits composite number following 18989968
and preceding 18989970 . In scientific notation, it is written as 1.8989969 × 10^7.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 17872896 positive integers (up to 18989969) that are relatively prime to 18989969.
18989969 has 4 divisors, whose sum is 20107044
The reverse of 18989969 is 96998981
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 59
Digital Root 5
Name
eighteen million nine hundred eighty-nine thousand nine hundred sixty-nine
Scientific notation
1.8989969 × 10^7
Engineering notation
1.8989969 × 10^6
Prime Factorization
17 × 1117057
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18989969
Product of the distinct prime numbers
The prime factorization of 18989969 is 17 × 1117057.
Since it has a total of 2 prime factors.
6 , 7 , 75 , 61 , 955 , 737 , 385 , 9187 , 71483 , 98824 , 176109 , 483453 , 2212848 , 5336385 , 52436924 , 6594931 , 485537947 , 487147427 , 580382360 , 8933549155
n×2
37979938
n×3
56969907
n×4
75959876
n×5
94949845
n÷2
9494984.5
n÷3
6329989.6666667
n÷3
4747492.25
n÷5
3797993.8
n2
360618922620961
n3
6.8481421613854E+21
n4
1.300460073523E+29
n5
2.469569648194E+36
2 √n
4357.7481570187
3 √n
266.79319741817
4 √n
66.013242285308
5 √n
28.556491693708
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
-18989968
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 18989969 can be divided by 4 positive divisors.
The sum of these divisors (counting 18989969) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000011100001110010001
3
Ternary
1022201210100012
4
Quaternary
1020130032101
5
Quinary
14330134334
6
Senary
1515004305
8
Octal
110341621
10
Decimal
18989969
12
Duodecimal
6439695
16
Hexadecimal
121c391
20
Vigesimal
5idei9
36
Base36
bb0r5
md5
07c7f0ef49287893ab6a941bccd64cbe
sha1
9c62bb8a1bfe924a48c3d0901ec6ee599c827313
sha256
88ce7d6dfcde87d82f33003f34df8194cdb5b748bdb9f2aac2591dbf62dae9dd
sha512
672890598d09a1a2c26078cf94e84facc58bb2f8e7a9ca8688a28da62e1658a0038344a76616bc0811d8ea22d26397b95a3b963046e1891578bd74a2766cc795
ripemd-160
c78274be84c2917de4b86e4bea4ff7e9cb2897e9
Diameter
37979938
Circumference
119317494.2046
Area
1.1329177580515E+15
Volume
2.8685430806596E+22
Surface area
4.5316710322059E+15
Circumference
119317494.2046
Perimeter
75959876
Area
360618922620961
Diagonal
26855871.708845
Surface area
2163713535725766
Volume
6.8481421613854E+21
Space diagonal
32891591.142158
Perimeter
56969907
Area
1.5615257403756E+14
Altitude
16445795.571079
Surface area
1.5615257403756E+14
Volume
8.0706129347419E+20
Height
8951957.2362815