19986494 is an even 8-digits composite number following 19986493
and preceding 19986495 . In scientific notation, it is written as 1.9986494 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 8689560 positive integers (up to 19986494) that are relatively prime to 19986494.
19986494 has 16 divisors, whose sum is 34128000
The reverse of 19986494 is 49468991
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred eighty-six thousand four hundred ninety-four
Scientific notation
1.9986494 × 10^7
Engineering notation
1.9986494 × 10^6
Prime Factorization
2 × 23 × 11 × 39499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19986494
Product of the distinct prime numbers
The prime factorization of 19986494 is 2 × 23 × 11 × 39499.
Since it has a total of 4 prime factors.
4 , 3 , 89 , 56 , 682 , 53 , 3625 , 7848 , 70133 , 46422 , 449969 , 167010 , 6002262 , 4117127 , 72492193 , 31868188 , 277432390 , 549020027 , 6006060679 , 6168245639
n×2
39972988
n×3
59959482
n×4
79945976
n×5
99932470
n÷2
9993247
n÷3
6662164.6666667
n÷3
4996623.5
n÷5
3997298.8
n2
399459942412036
n3
7.9838037422585E+21
n4
1.5956824559183E+29
n5
3.1892097831116E+36
2 √n
4470.6256832797
3 √n
271.38064635982
4 √n
66.862737629263
5 √n
28.850100044068
1 , 2 , 11 , 22 , 23 , 46 , 253 , 506 , 39499 , 78998 , 434489 , 868978 , 908477 , 1816954 , 9993247 , 19986494
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19986493
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19986494 can be divided by 16 positive divisors.
The sum of these divisors (counting 19986494) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111100000111110
3
Ternary
1101121102022112
4
Quaternary
1030033200332
5
Quinary
20104031434
6
Senary
1552214022
8
Octal
114174076
10
Decimal
19986494
12
Duodecimal
683a312
16
Hexadecimal
130f83e
20
Vigesimal
64i64e
36
Base36
bwdoe
md5
62187916e8df9c2a2f74b1d827e34e58
sha1
2579430473031d58d48761906452e4b67d3fcfe4
sha256
c1f2d1c9dc5bc8aa28b42c97f0292e9f30d883f8e9e1ff6be4e0aa8f0762d848
sha512
4c1938db585902c686a6597ee10da79a159f1dbdcde378272a3a17151c0f33aca833c7f6292b9e6837af9d13b84c906a7dca63b6db7d9e00b0b2e61efbb05c28
ripemd-160
d0e7dba2d30533524767eb7eeb503e51d5e881c4
Diameter
39972988
Circumference
125578845.44283
Area
1.2549404204851E+15
Volume
3.3442478912509E+22
Surface area
5.0197616819402E+15
Circumference
125578845.44283
Perimeter
79945976
Area
399459942412036
Diagonal
28265170.879088
Surface area
2396759654472216
Volume
7.9838037422585E+21
Space diagonal
34617623.073171
Perimeter
59959482
Area
1.7297122896155E+14
Altitude
17308811.536585
Surface area
1.7297122896155E+14
Volume
9.4090029430225E+20
Height
9421723.6263628