19205989 is an odd 8-digits composite number following 19205988
and preceding 19205990 . In scientific notation, it is written as 1.9205989 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 16700640 positive integers (up to 19205989) that are relatively prime to 19205989.
19205989 has 4 divisors, whose sum is 19282156
The reverse of 19205989 is 98950291
Previous prime number is 253
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million two hundred five thousand nine hundred eighty-nine
Scientific notation
1.9205989 × 10^7
Engineering notation
1.9205989 × 10^6
Prime Factorization
253 × 75913
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19205989
Product of the distinct prime numbers
The prime factorization of 19205989 is 253 × 75913.
Since it has a total of 2 prime factors.
5 , 6 , 40 , 40 , 61 , 865 , 973 , 9323 , 10924 , 58697 , 772265 , 284489 , 1186334 , 3559190 , 79621898 , 40919484 , 29864208 , 733743374 , 7029552253 , 4008924192
n×2
38411978
n×3
57617967
n×4
76823956
n×5
96029945
n÷2
9602994.5
n÷3
6401996.3333333
n÷3
4801497.25
n÷5
3841197.8
n2
368870013468121
n3
7.0845134210986E+21
n4
1.3606508683597E+29
n5
2.6132645610557E+36
2 √n
4382.4638047564
3 √n
267.80101904084
4 √n
66.200179793989
5 √n
28.621166831424
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
-19205988
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 19205989 can be divided by 4 positive divisors.
The sum of these divisors (counting 19205989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001010000111101100101
3
Ternary
1100010202122221
4
Quaternary
1021100331211
5
Quinary
14404042424
6
Senary
1523352341
8
Octal
111207545
10
Decimal
19205989
12
Duodecimal
65226b1
16
Hexadecimal
1250f65
20
Vigesimal
600ej9
36
Base36
bfnfp
md5
91ccdf0cff558715eecd007e06abb35f
sha1
c6e96b1b9817c5abe5d348e9028ac96f4c26433a
sha256
1b5c69c502009269afa0852c118b2744f425dcf593dfc5b7ab1c8ac8c975d20c
sha512
af14715d872d5b1c01b9b4db3adf7d0fbc0abd11273866b290680a49213cb462fe102fca1b6a70e1b4800096e8cce13f0de3159b6820e4b55d5fe8d7b8f63c25
ripemd-160
abd2352d598288861a1b15149e5f31ccbd6eb8d5
Diameter
38411978
Circumference
120674787.89465
Area
1.158839324441E+15
Volume
2.9675540423975E+22
Surface area
4.6353572977641E+15
Circumference
120674787.89465
Perimeter
76823956
Area
368870013468121
Diagonal
27161370.122588
Surface area
2213220080808726
Volume
7.0845134210986E+21
Space diagonal
33265748.757609
Perimeter
57617967
Area
1.5972540117885E+14
Altitude
16632874.378804
Surface area
1.5972540117885E+14
Volume
8.3491791357765E+20
Height
9053790.0408628