138642012 is an even 9-digits composite number following 138642011
and preceding 138642013 . In scientific notation, it is written as 1.38642012 × 10^8.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 43781472 positive integers (up to 138642012) that are relatively prime to 138642012.
138642012 has 24 divisors, whose sum is 283771600
The reverse of 138642012 is 210246831
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred thirty-eight million six hundred forty-two thousand twelve
Scientific notation
1.38642012 × 10^8
Engineering notation
1.38642012 × 10^6
Prime Factorization
2 × 2 × 9 × 19 × 202693
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
69321006
Product of the distinct prime numbers
The prime factorization of 138642012 is 2 × 2 × 9 × 19 × 202693.
Since it has a total of 5 prime factors.
5 , 4 , 75 , 81 , 639 , 666 , 3446 , 6880 , 33362 , 15551 , 735403 , 824424 , 8083942 , 4373341 , 49451133 , 57103590 , 983982714 , 552205323 , 8025851932 , 4354752036
n×2
277284024
n×3
415926036
n×4
554568048
n×5
693210060
n÷2
69321006
n÷3
46214004
n÷3
34660503
n÷5
27728402.4
n2
19221607491408144
n3
2.6649223364831E+24
n4
3.6947019455376E+32
n5
5.1224091146964E+40
2 √n
11774.634261836
3 √n
517.56506078323
4 √n
108.51098682546
5 √n
42.499025367351
1 , 2 , 4 , 9 , 18 , 19 , 36 , 38 , 76 , 171 , 342 , 684 , 202693 , 405386 , 810772 , 1824237 , 3648474 , 3851167 , 7296948 , 7702334 , 15404668 , 34660503 , 69321006 , 138642012
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138642011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138642012 can be divided by 24 positive divisors.
The sum of these divisors (counting 138642012) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000010000111000001001011100
3
Ternary
100122212202002100
4
Quaternary
20100320021130
5
Quinary
240443021022
6
Senary
21431325100
8
Octal
1020701134
10
Decimal
138642012
12
Duodecimal
3a520790
16
Hexadecimal
843825c
20
Vigesimal
236a50c
36
Base36
2ajkv0
md5
5b6df7f85d26fc0acd0a7f83e66628a4
sha1
f84faecbdf21855a589b9d8fb55c602e0116471e
sha256
b864e47bb2c7056ce6eb4df5a56b661d21407b74cd1fa21d70b34eb21207b796
sha512
46ecd8c742cc09c08783e9c75383cc9ab839c0fc1d8ac88814d32d19aca1f8cd3f77644561869e173aef9bb6027eab63b99700bbb645b091f82d46183318f8df
ripemd-160
235276e01ca26b094b7f7450082586668ea9310f
Diameter
277284024
Circumference
871113452.75622
Area
6.0386460885194E+16
Volume
1.1162800579577E+25
Surface area
2.4154584354078E+17
Circumference
871113452.75622
Perimeter
554568048
Area
19221607491408144
Diagonal
196069413.68509
Surface area
115329644948448864
Volume
2.6649223364831E+24
Space diagonal
240135008.84757
Perimeter
415926036
Area
8.3232001945664E+15
Altitude
120067504.42379
Surface area
8.3232001945664E+15
Volume
3.1406410924378E+23
Height
65356471.228364