19409987 is an odd 8-digits prime number following 19409986
and preceding 19409988 . In scientific notation, it is written as 1.9409987 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 19409986 positive integers (up to 19409987) that are relatively prime to 19409987.
19409987 has 2 divisors, whose sum is 19409988
The reverse of 19409987 is 78990491
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million four hundred nine thousand nine hundred eighty-seven
Scientific notation
1.9409987 × 10^7
Engineering notation
1.9409987 × 10^6
Prime Factorization
19409987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19409987
Product of the distinct prime numbers
The prime factorization of 19409987 is 19409987.
Since it has a total of 1 prime factors.
1 , 8 , 65 , 34 , 476 , 104 , 7031 , 7751 , 85948 , 98109 , 624420 , 860857 , 9786559 , 5706230 , 46538 , 76057160 , 878590427 , 210868047 , 4575148657 , 9863287356
n×2
38819974
n×3
58229961
n×4
77639948
n×5
97049935
n÷2
9704993.5
n÷3
6469995.6666667
n÷3
4852496.75
n÷5
3881997.4
n2
376747595340169
n3
7.3126659278339E+21
n4
1.419387505946E+29
n5
2.7550293038374E+36
2 √n
4405.6766790131
3 √n
268.74583862314
4 √n
66.375271592763
5 √n
28.681710564813
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19409988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9704994
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4405.6767925031
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998969603
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19409987 can be divided by 2 positive divisors.
The sum of these divisors (counting 19409987) is 19409988, the average is 9704994.
Base
System
Value
2
Binary
1001010000010110001000011
3
Ternary
1100112010111102
4
Quaternary
1022002301003
5
Quinary
14432104422
6
Senary
1532005015
8
Octal
112026103
10
Decimal
19409987
12
Duodecimal
660076b
16
Hexadecimal
1282c43
20
Vigesimal
6164j7
36
Base36
bk0ub
md5
abbd0c48f197ffd28f0fdc198a30134f
sha1
5dc9a9eb0fa0dd5a35d1406b6687ed81d3a85470
sha256
0f3cd7740f5864b8f19ed60fb4a524ed9b9e217d12b6377301196970aa340f48
sha512
1c17c7fe95bb403da630ee9b8456b8ff251a2c0a97c1a6883fa5a1b73155f6fd4a938f5bd5414a9b1124b2d2cb5d6f9cdf1c987d9aeabf7ba7d9abaa26b246ae
ripemd-160
93874d6cb665358a7f21f562e1789502e5e3ff2d
Diameter
38819974
Circumference
121956545.13095
Area
1.1835874777783E+15
Volume
3.0631223409386E+22
Surface area
4.7343499111132E+15
Circumference
121956545.13095
Perimeter
77639948
Area
376747595340169
Diagonal
27449866.860885
Surface area
2260485572041014
Volume
7.3126659278339E+21
Space diagonal
33619083.658251
Perimeter
58229961
Area
1.6313649418964E+14
Altitude
16809541.829126
Surface area
1.6313649418964E+14
Volume
8.6180594435387E+20
Height
9149955.6202952