138194786 is an even 9-digits composite number following 138194785
and preceding 138194787 . In scientific notation, it is written as 1.38194786 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 69097392 positive integers (up to 138194786) that are relatively prime to 138194786.
138194786 has 4 divisors, whose sum is 207292182
The reverse of 138194786 is 687491831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-eight million one hundred ninety-four thousand seven hundred eighty-six
Scientific notation
1.38194786 × 10^8
Engineering notation
1.38194786 × 10^6
Prime Factorization
2 × 69097393
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138194786
Product of the distinct prime numbers
The prime factorization of 138194786 is 2 × 69097393.
Since it has a total of 2 prime factors.
5 , 9 , 40 , 86 , 996 , 260 , 1565 , 9083 , 52962 , 44263 , 194010 , 712279 , 5231698 , 4781623 , 31708148 , 61972911 , 139509323 , 444463013 , 8322392021 , 989683651
n×2
276389572
n×3
414584358
n×4
552779144
n×5
690973930
n÷2
69097393
n÷3
46064928.666667
n÷3
34548696.5
n÷5
27638957.2
n2
19097798877585796
n3
2.639216228959E+24
n4
3.6472592196872E+32
n5
5.040322073512E+40
2 √n
11755.627843718
3 √n
517.00794757988
4 √n
108.42337314305
5 √n
42.471571580715
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
-138194785
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 138194786 can be divided by 4 positive divisors.
The sum of these divisors (counting 138194786) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001111001010111101100010
3
Ternary
100122001000121102
4
Quaternary
20033022331202
5
Quinary
240334213121
6
Senary
21413554402
8
Octal
1017127542
10
Decimal
138194786
12
Duodecimal
3a345a02
16
Hexadecimal
83caf62
20
Vigesimal
233e6j6
36
Base36
2a9zs2
md5
8b31ccb1da965d1c2dc17734924113a5
sha1
d7adcf6eec7432152cdc875b92dade6764e6a34f
sha256
cd51c5252634fc21903bb51f58b12ce444ce9ed1ab8979ba52ff80e72bc026b8
sha512
14b64b69e696e97717bb763cc17cd15f24f5efd4e72dc157398905b2518fc6e64e69de5c874f918e97ea9248d78c73c034e8188653f517bc4001b7da07a298cd
ripemd-160
625e2c4e2d19011129d8f4e823beed1a4b2b2111
Diameter
276389572
Circumference
868303448.92403
Area
5.9997504653559E+16
Volume
1.1055123088177E+25
Surface area
2.3999001861424E+17
Circumference
868303448.92403
Perimeter
552779144
Area
19097798877585796
Diagonal
195436940.61045
Surface area
114586793265514776
Volume
2.639216228959E+24
Space diagonal
239360390.69311
Perimeter
414584358
Area
8.2695894921776E+15
Altitude
119680195.34655
Surface area
8.2695894921776E+15
Volume
3.1103461541908E+23
Height
65145646.870149