19985191 is an odd 8-digits prime number following 19985190
and preceding 19985192 . In scientific notation, it is written as 1.9985191 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 19985190 positive integers (up to 19985191) that are relatively prime to 19985191.
19985191 has 2 divisors, whose sum is 19985192
The reverse of 19985191 is 19158991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
nineteen million nine hundred eighty-five thousand one hundred ninety-one
Scientific notation
1.9985191 × 10^7
Engineering notation
1.9985191 × 10^6
Prime Factorization
19985191
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19985191
Product of the distinct prime numbers
The prime factorization of 19985191 is 19985191.
Since it has a total of 1 prime factors.
4 , 6 , 11 , 5 , 644 , 269 , 1241 , 1092 , 80223 , 52417 , 456427 , 967742 , 2564849 , 3322908 , 99974419 , 65418995 , 797824336 , 775574857 , 8101753164 , 6296865504
n×2
39970382
n×3
59955573
n×4
79940764
n×5
99925955
n÷2
9992595.5
n÷3
6661730.3333333
n÷3
4996297.75
n÷5
3997038.2
n2
399407859306481
n3
7.9822423551412E+21
n4
1.5952663807579E+29
n5
3.1881703315325E+36
2 √n
4470.479951862
3 √n
271.37474876606
4 √n
66.861647839864
5 √n
28.849723863427
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19985192
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9992596
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4470.4800637068
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998999259
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19985191 can be divided by 2 positive divisors.
The sum of these divisors (counting 19985191) is 19985192, the average is 9992596.
Base
System
Value
2
Binary
1001100001111001100100111
3
Ternary
1101121100112021
4
Quaternary
1030033030213
5
Quinary
20104011231
6
Senary
1552204011
8
Octal
114171447
10
Decimal
19985191
12
Duodecimal
6839607
16
Hexadecimal
130f327
20
Vigesimal
64i2jb
36
Base36
bwco7
md5
a019c232cf5b22170374a968d6e8bd92
sha1
7d396aa0a6f0b96cb93c803cac31e89070785f88
sha256
cefd91a2b9fc4987be71b0506d5df16b88e1c898c4fbe99e30f1e716ff73988e
sha512
d5a03e368501f1727aafc1e2565106a47de078ec4b559c208912db9374aff04dc23a03f2b0c8d095c27b6112f036bf66a2afc8c8af32e50af5ead97f69d0a2ad
ripemd-160
c8af8a8e64535f7aea04d53e24b1603b6e24a22d
Diameter
39970382
Circumference
125570658.45238
Area
1.2547767965833E+15
Volume
3.3435938589446E+22
Surface area
5.0191071863331E+15
Circumference
125570658.45238
Perimeter
79940764
Area
399407859306481
Diagonal
28263328.158817
Surface area
2396447155838886
Volume
7.9822423551412E+21
Space diagonal
34615366.210968
Perimeter
59955573
Area
1.7294867631529E+14
Altitude
17307683.105484
Surface area
1.7294867631529E+14
Volume
9.407162830658E+20
Height
9421109.3862722