138291251 is an odd 9-digits composite number following 138291250
and preceding 138291252 . In scientific notation, it is written as 1.38291251 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 117312768 positive integers (up to 138291251) that are relatively prime to 138291251.
138291251 has 8 divisors, whose sum is 159677280
The reverse of 138291251 is 152192831
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred thirty-eight million two hundred ninety-one thousand two hundred fifty-one
Scientific notation
1.38291251 × 10^8
Engineering notation
1.38291251 × 10^6
Prime Factorization
7 × 97 × 203669
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138291251
Product of the distinct prime numbers
The prime factorization of 138291251 is 7 × 97 × 203669.
Since it has a total of 3 prime factors.
4 , 6 , 89 , 91 , 169 , 263 , 1424 , 3891 , 79393 , 75985 , 48141 , 463225 , 2943766 , 4076262 , 42879877 , 30033071 , 313069437 , 320611720 , 6584437488 , 8477707165
n×2
276582502
n×3
414873753
n×4
553165004
n×5
691456255
n÷2
69145625.5
n÷3
46097083.666667
n÷3
34572812.75
n÷5
27658250.2
n2
19124470103145001
n3
2.644746895276E+24
n4
3.6574535672609E+32
n5
5.0579382929092E+40
2 √n
11759.730056426
3 √n
517.12821640037
4 √n
108.44228905932
5 √n
42.477499266994
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
-138291250
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 138291251 can be divided by 8 positive divisors.
The sum of these divisors (counting 138291251) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111100010100000110011
3
Ternary
100122012220221012
4
Quaternary
20033202200303
5
Quinary
240400310001
6
Senary
21420021135
8
Octal
1017424063
10
Decimal
138291251
12
Duodecimal
3a3917ab
16
Hexadecimal
83e2833
20
Vigesimal
234682b
36
Base36
2ac27n
md5
46687e8122031e495e7775785ef5fa51
sha1
a55f7f43072742f8eb1312221796b4a83d7d4bfd
sha256
1b10d0cef745bf723316e0f093321cf386f9700f2795d187731e3dec2b355f5c
sha512
d3b9749979d047e05eb021223ede204692775c03ba26b2a12c1ced387236b8bb09e30c777baef1b55ae018d4d7ce3d2c56f11c6c4a0a74af3b13899832846217
ripemd-160
19acbc82793f699355d9f3ed2ff2e571e87976fb
Diameter
276582502
Circumference
868909556.39468
Area
6.0081294779838E+16
Volume
1.1078289889071E+25
Surface area
2.4032517911935E+17
Circumference
868909556.39468
Perimeter
553165004
Area
19124470103145001
Diagonal
195573362.72174
Surface area
114746820618870006
Volume
2.644746895276E+24
Space diagonal
239527472.97426
Perimeter
414873753
Area
8.2811384716198E+15
Altitude
119763736.48713
Surface area
8.2811384716198E+15
Volume
3.1168641069529E+23
Height
65191120.907247