138971639 is an odd 9-digits prime number following 138971638
and preceding 138971640 . In scientific notation, it is written as 1.38971639 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 138971638 positive integers (up to 138971639) that are relatively prime to 138971639.
138971639 has 2 divisors, whose sum is 138971640
The reverse of 138971639 is 936179831
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 47 Digital Root 2
Name
one hundred thirty-eight million nine hundred seventy-one thousand six hundred thirty-nine
Scientific notation
1.38971639 × 10^8
Engineering notation
1.38971639 × 10^6
Prime Factorization
138971639
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
138971639 Product of the distinct prime numbers
The prime factorization of 138971639 is 138971639.
Since it has a total of 1 prime factors.
1 , 4 , 30 , 97 , 375 , 446 , 5776 , 3252 , 78425 , 13094 , 265607 , 217095 , 9816019 , 9966893 , 86775843 , 1947862 , 586011674 , 740365053 , 1237480388 , 1095145339
n×2
277943278
n×3
416914917
n×4
555886556
n×5
694858195
n÷2
69485819.5
n÷3
46323879.666667
n÷3
34742909.75
n÷5
27794327.8
n2
19313116446346321
n3
2.6839754467466E+24
n4
3.7299646687013E+32
n5
5.1835930342152E+40
2 √n11788.623286881
3 √n517.9749134405
4 √n108.57542671747
5 √n42.519214806881
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
138971640 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
69485820 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11788.623329295 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999856086 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138971639 can be divided by 2 positive divisors.
The sum of these divisors (counting 138971639) is 138971640, the average is 69485820.
Base
System
Value
2
Binary
1000010010001000100111110111
3
Ternary
100200111111020202
4
Quaternary
20102020213313
5
Quinary
241034043024
6
Senary
21442351115
8
Octal
1022104767
10
Decimal
138971639
12
Duodecimal
3a65b49b
16
Hexadecimal
84889f7
20
Vigesimal
238b91j
36
Base36
2aqn7b
md5
f3efd758b8da989994ccf04812807713
sha1
2b6828e00e2d3417d8a366fca4aab1809679f7a5
sha256
c520ccefeb257da6d96edad659b281188192b63d7e17fb2550897b46e03f0182
sha512
31ca1d5f42068dad7afa45f0bf42852f54764b65eda9909956d4f96d85c0121bb048013b0b7e568b229fb89a5f6ae0702fc4104fe9e11862690f5ac84df6bf0c
ripemd-160
24835bfaeeb3cefb9765d9f77acbe8e07dbe38ea
Diameter
277943278
Circumference
873184560.27947
Area
6.0673944745766E+16
Volume
1.1242610061219E+25
Surface area
2.4269577898306E+17
Circumference
873184560.27947
Perimeter
555886556
Area
19313116446346321
Diagonal
196535576.65902
Surface area
115878698678077926
Volume
2.6839754467466E+24
Space diagonal
240705939.55912
Perimeter
416914917
Area
8.3628247343915E+15
Altitude
120352969.77956
Surface area
8.3628247343915E+15
Volume
3.1630953982212E+23
Height
65511858.886339