19987769 is an odd 8-digits prime number following 19987768
and preceding 19987770 . In scientific notation, it is written as 1.9987769 × 10^7.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 19987768 positive integers (up to 19987769) that are relatively prime to 19987769.
19987769 has 2 divisors, whose sum is 19987770
The reverse of 19987769 is 96778991
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 56 Digital Root 2
Name
nineteen million nine hundred eighty-seven thousand seven hundred sixty-nine
Scientific notation
1.9987769 × 10^7
Engineering notation
1.9987769 × 10^6
Prime Factorization
19987769
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
19987769 Product of the distinct prime numbers
The prime factorization of 19987769 is 19987769.
Since it has a total of 1 prime factors.
10 , 8 , 44 , 76 , 880 , 694 , 274 , 4663 , 70203 , 99932 , 537163 , 242415 , 9997120 , 1766397 , 53527618 , 92566741 , 9755891 , 96703218 , 7306865650 , 4329414973
n×2
39975538
n×3
59963307
n×4
79951076
n×5
99938845
n÷2
9993884.5
n÷3
6662589.6666667
n÷3
4996942.25
n÷5
3997553.8
n2
399510909597361
n3
7.9853317740119E+21
n4
1.5960896688731E+29
n5
3.1902271604722E+36
2 √n4470.7682784953
3 √n271.38641697283
4 √n66.863803948738
5 √n28.850468122021
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
19987770 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
9993885 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4470.7683903329 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998999388 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19987769 can be divided by 2 positive divisors.
The sum of these divisors (counting 19987769) is 19987770, the average is 9993885.
Base
System
Value
2
Binary
1001100001111110100111001
3
Ternary
1101121111001202
4
Quaternary
1030033310321
5
Quinary
20104102034
6
Senary
1552223545
8
Octal
114176471
10
Decimal
19987769
12
Duodecimal
683abb5
16
Hexadecimal
130fd39
20
Vigesimal
64i989
36
Base36
bwent
md5
819bb334b4e734dde3e850c91af7203d
sha1
4db838b6842818d18aceaeaf596f40107e1e7d70
sha256
bfa5e9ab50489a44b427a2c33546f9ad08b9ea1011d4414b6280f74aa8ef09f4
sha512
64e8a86482c810c76329eba37aeb309829f032d10e666879834648ff5c0438b7293052306fa4c9f964263c50d863d6581a7f92091d7aa699728ff2b066117994
ripemd-160
2fb82035f6271abb81df2bebcf51d7c4367dae78
Diameter
39975538
Circumference
125586856.5041
Area
1.25510053862E+15
Volume
3.3448879516951E+22
Surface area
5.0204021544802E+15
Circumference
125586856.5041
Perimeter
79951076
Area
399510909597361
Diagonal
28266974.001381
Surface area
2397065457584166
Volume
7.9853317740119E+21
Space diagonal
34619831.43795
Perimeter
59963307
Area
1.7299329840017E+14
Altitude
17309915.718975
Surface area
1.7299329840017E+14
Volume
9.4108037457137E+20
Height
9422324.6671268