20139986 is an even 8-digits composite number following 20139985
and preceding 20139987 . In scientific notation, it is written as 2.0139986 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 10069992 positive integers (up to 20139986) that are relatively prime to 20139986.
20139986 has 4 divisors, whose sum is 30209982
The reverse of 20139986 is 68993102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million one hundred thirty-nine thousand nine hundred eighty-six
Scientific notation
2.0139986 × 10^7
Engineering notation
2.0139986 × 10^6
Prime Factorization
2 × 10069993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20139986
Product of the distinct prime numbers
The prime factorization of 20139986 is 2 × 10069993.
Since it has a total of 2 prime factors.
1 , 4 , 51 , 14 , 485 , 776 , 820 , 4221 , 83503 , 90990 , 380338 , 987923 , 2103384 , 9011958 , 69400121 , 56818250 , 3779757 , 856062728 , 1340672917 , 4501546760
n×2
40279972
n×3
60419958
n×4
80559944
n×5
100699930
n÷2
10069993
n÷3
6713328.6666667
n÷3
5034996.5
n÷5
4027997.2
n2
405619036080196
n3
8.1691617079886E+21
n4
1.6452680243063E+29
n5
3.3135674975776E+36
2 √n
4487.7595746653
3 √n
272.07359059838
4 √n
66.990742454949
5 √n
28.894277063493
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20139985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20139986 can be divided by 4 positive divisors.
The sum of these divisors (counting 20139986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100111111010010
3
Ternary
1101220012212102
4
Quaternary
1030310333102
5
Quinary
20123434421
6
Senary
1555400402
8
Octal
114647722
10
Decimal
20139986
12
Duodecimal
68b3102
16
Hexadecimal
1334fd2
20
Vigesimal
65h9j6
36
Base36
bzo42
md5
82f44ff3cc2c00907de91e78b3507a77
sha1
06191ba76563d86bfbe265a3165a01b558af1c99
sha256
31e4bb31ef963f57c8fa3a46e36c16ff4dba9da07d76deddbd4641821e080de2
sha512
4d3ad551e32fe0e29bfb3d3ca92764a7414f9b18f0f5b63df566123263ee1e1c88bc9a005b4789d326ffdf5fc8bb25ead4b372c3571707354fde55b2ba62d172
ripemd-160
3336b43bb4ac41b715b570a2e2472d3739187ca1
Diameter
40279972
Circumference
126543264.122
Area
1.2742897839057E+15
Volume
3.4218904543739E+22
Surface area
5.0971591356229E+15
Circumference
126543264.122
Perimeter
80559944
Area
405619036080196
Diagonal
28482241.347204
Surface area
2433714216481176
Volume
8.1691617079886E+21
Space diagonal
34883479.015726
Perimeter
60419958
Area
1.75638194752E+14
Altitude
17441739.507863
Surface area
1.75638194752E+14
Volume
9.6274494005471E+20
Height
9494080.4490681