19986938 is an even 8-digits composite number following 19986937
and preceding 19986939 . In scientific notation, it is written as 1.9986938 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 9780796 positive integers (up to 19986938) that are relatively prime to 19986938.
19986938 has 8 divisors, whose sum is 30618432
The reverse of 19986938 is 83968991
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
nineteen million nine hundred eighty-six thousand nine hundred thirty-eight
Scientific notation
1.9986938 × 10^7
Engineering notation
1.9986938 × 10^6
Prime Factorization
2 × 47 × 212627
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19986938
Product of the distinct prime numbers
The prime factorization of 19986938 is 2 × 47 × 212627.
Since it has a total of 3 prime factors.
7 , 2 , 91 , 60 , 799 , 854 , 5568 , 2228 , 32749 , 79913 , 736665 , 998352 , 9921937 , 7472205 , 15296953 , 30479458 , 324869261 , 750768437 , 3835740001 , 946078903
n×2
39973876
n×3
59960814
n×4
79947752
n×5
99934690
n÷2
9993469
n÷3
6662312.6666667
n÷3
4996734.5
n÷5
3997387.6
n2
399477690615844
n3
7.9843358347221E+21
n4
1.5958242529977E+29
n5
3.1895640403561E+36
2 √n
4470.6753404827
3 √n
271.38265591879
4 √n
66.863108965129
5 √n
28.850228223934
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19986937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19986938 can be divided by 8 positive divisors.
The sum of these divisors (counting 19986938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001111100111111010
3
Ternary
1101121102220222
4
Quaternary
1030033213322
5
Quinary
20104040223
6
Senary
1552220042
8
Octal
114174772
10
Decimal
19986938
12
Duodecimal
683a622
16
Hexadecimal
130f9fa
20
Vigesimal
64i76i
36
Base36
bwe0q
md5
365b2f2a6d4474660aa5158636090fc5
sha1
37e36dc1f353759f90818d7d0f9a208fd3f78dfa
sha256
d7180367a0aa8237e9be9d4001afbab4448de1bc89427df78aed02cdbf0a503a
sha512
f781f52ce3549b8bf992d8d296ac2d4ae291d72f2e060415dcef840fd2b74a167228c3a132b48d342516be541c8ab1964f66c29964513514a16545e84f0af653
ripemd-160
fd9c680f910df9d4c5de4fcfe32e8d7d0f116233
Diameter
39973876
Circumference
125581635.17711
Area
1.2549961781118E+15
Volume
3.3444707736209E+22
Surface area
5.019984712447E+15
Circumference
125581635.17711
Perimeter
79947752
Area
399477690615844
Diagonal
28265798.78991
Surface area
2396866143695064
Volume
7.9843358347221E+21
Space diagonal
34618392.103729
Perimeter
59960814
Area
1.7297891415923E+14
Altitude
17309196.051865
Surface area
1.7297891415923E+14
Volume
9.4096300200045E+20
Height
9421932.9299701