20138786 is an even 8-digits composite number following 20138785
and preceding 20138787 . In scientific notation, it is written as 2.0138786 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 10069392 positive integers (up to 20138786) that are relatively prime to 20138786.
20138786 has 4 divisors, whose sum is 30208182
The reverse of 20138786 is 68783102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred thirty-eight thousand seven hundred eighty-six
Scientific notation
2.0138786 × 10^7
Engineering notation
2.0138786 × 10^6
Prime Factorization
2 × 10069393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20138786
Product of the distinct prime numbers
The prime factorization of 20138786 is 2 × 10069393.
Since it has a total of 2 prime factors.
3 , 4 , 32 , 75 , 623 , 475 , 8861 , 6290 , 35864 , 7499 , 629471 , 547487 , 1404608 , 9449237 , 37357985 , 22228753 , 418289160 , 627663252 , 894775087 , 1613955006
n×2
40277572
n×3
60416358
n×4
80555144
n×5
100693930
n÷2
10069393
n÷3
6712928.6666667
n÷3
5034696.5
n÷5
4027757.2
n2
405570701553796
n3
8.1677015664618E+21
n4
1.6448759395884E+29
n5
3.3125804543919E+36
2 √n
4487.6258756719
3 √n
272.06818684101
4 √n
66.989744555953
5 √n
28.89393273397
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
-20138785
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 20138786 can be divided by 4 positive divisors.
The sum of these divisors (counting 20138786) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110100101100100010
3
Ternary
1101220011012222
4
Quaternary
1030310230202
5
Quinary
20123420121
6
Senary
1555351042
8
Octal
114645442
10
Decimal
20138786
12
Duodecimal
68b2482
16
Hexadecimal
1334b22
20
Vigesimal
65h6j6
36
Base36
bzn6q
md5
dabc56c427c7a00334c97515e37585aa
sha1
53391ee02c0b4f286659c42359d197a7a99366ad
sha256
ded296f4218d7ad4d54aebda585b2a1756efe5952fe7633c1a184e287ef674f7
sha512
79cdce85e584a987715fd08017af10d313f3c2850f2fbe5740be7a0666b37d4ad18caae9b7bac95a3a65fb7ea5f8e767b8efad686a23a45c534c31b47cda338b
ripemd-160
d9aa2c322898fd7c7486451cffef4b22c544e1c7
Diameter
40277572
Circumference
126535724.29963
Area
1.2741379365127E+15
Volume
3.4212788317213E+22
Surface area
5.0965517460507E+15
Circumference
126535724.29963
Perimeter
80555144
Area
405570701553796
Diagonal
28480544.290929
Surface area
2433424209322776
Volume
8.1677015664618E+21
Space diagonal
34881400.554757
Perimeter
60416358
Area
1.7561726528813E+14
Altitude
17440700.277378
Surface area
1.7561726528813E+14
Volume
9.6257286072552E+20
Height
9493514.7636431