138291290 is an even 9-digits composite number following 138291289
and preceding 138291291 . In scientific notation, it is written as 1.38291290 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 55316512 positive integers (up to 138291290) that are relatively prime to 138291290.
138291290 has 8 divisors, whose sum is 248924340
The reverse of 138291290 is 092192831
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred thirty-eight million two hundred ninety-one thousand two hundred ninety
Scientific notation
1.38291290 × 10^8
Engineering notation
1.38291290 × 10^6
Prime Factorization
2 × 5 × 13829129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138291290
Product of the distinct prime numbers
The prime factorization of 138291290 is 2 × 5 × 13829129.
Since it has a total of 3 prime factors.
7 , 1 , 50 , 89 , 225 , 998 , 3129 , 427 , 83770 , 93916 , 28270 , 882624 , 6168088 , 9132826 , 5354502 , 99369393 , 184668369 , 934188527 , 3457240646 , 4981634633
n×2
276582580
n×3
414873870
n×4
553165160
n×5
691456450
n÷2
69145645
n÷3
46097096.666667
n÷3
34572822.5
n÷5
27658258
n2
19124480889864100
n3
2.6447491328397E+24
n4
3.6574576930678E+32
n5
5.0579454249477E+40
2 √n
11759.731714627
3 √n
517.12826501274
4 √n
108.44229670487
5 √n
42.477501662839
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
-138291289
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 138291290 can be divided by 8 positive divisors.
The sum of these divisors (counting 138291290) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111100010100001011010
3
Ternary
100122012220222122
4
Quaternary
20033202201122
5
Quinary
240400310130
6
Senary
21420021242
8
Octal
1017424132
10
Decimal
138291290
12
Duodecimal
3a391822
16
Hexadecimal
83e285a
20
Vigesimal
234684a
36
Base36
2ac28q
md5
cff505f2b4fcdbbd20ae2df1c383e125
sha1
09de7c20778bcc6eb1520d8ea2c8bae89343423c
sha256
d6131ba93844ddf01dc0598acf1e7012b8a6a9d8ef1dd24c756d1a43187a38ef
sha512
99d13595424301757b2f0f6a1038f25b683189e0274ebe0ff02cf50b0e7f09f330184b2cdce21139a7624c98d2359e05c4c5f6f3ea70bdaf7fc43a4b452a4998
ripemd-160
d4fd1fc0aeef58e8a329bcd28fe6aa9af4ebe5af
Diameter
276582580
Circumference
868909801.43891
Area
6.0081328667315E+16
Volume
1.1078299261756E+25
Surface area
2.4032531466926E+17
Circumference
868909801.43891
Perimeter
553165160
Area
19124480889864100
Diagonal
195573417.87607
Surface area
114746885339184600
Volume
2.6447491328397E+24
Space diagonal
239527540.52424
Perimeter
414873870
Area
8.2811431424062E+15
Altitude
119763770.26212
Surface area
8.2811431424062E+15
Volume
3.1168667439469E+23
Height
65191139.292024