138840391 is an odd 9-digits composite number following 138840390
and preceding 138840392 . In scientific notation, it is written as 1.38840391 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 124830720 positive integers (up to 138840391) that are relatively prime to 138840391.
138840391 has 8 divisors, whose sum is 142458624
The reverse of 138840391 is 193048831
Previous prime number is 703
Is Prime? no Number parity odd Number length 9 Sum of Digits 37 Digital Root 1
Name
one hundred thirty-eight million eight hundred forty thousand three hundred ninety-one
Scientific notation
1.38840391 × 10^8
Engineering notation
1.38840391 × 10^6
Prime Factorization
41 × 703 × 4817
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
138840391 Product of the distinct prime numbers
The prime factorization of 138840391 is 41 × 703 × 4817.
Since it has a total of 3 prime factors.
1 , 2 , 33 , 13 , 74 , 167 , 6790 , 914 , 13394 , 71613 , 904007 , 347131 , 1689411 , 5602966 , 52423108 , 6439433 , 998385274 , 368420637 , 3609056150 , 1021916422
n×2
277680782
n×3
416521173
n×4
555361564
n×5
694201955
n÷2
69420195.5
n÷3
46280130.333333
n÷3
34710097.75
n÷5
27768078.2
n2
19276654173032881
n3
2.6763782025557E+24
n4
3.7158939610671E+32
n5
5.1591617046909E+40
2 √n11783.055248958
3 √n517.81179962153
4 √n108.54978235334
5 √n42.511180547078
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
-138840390 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 138840391 can be divided by 8 positive divisors.
The sum of these divisors (counting 138840391) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001101000100101000111
3
Ternary
100200020211012201
4
Quaternary
20101220211013
5
Quinary
241020343031
6
Senary
21435455331
8
Octal
1021504507
10
Decimal
138840391
12
Duodecimal
3a5b7547
16
Hexadecimal
8468947
20
Vigesimal
237f0jb
36
Base36
2antxj
md5
b2503e6d933da55f32e6d7cac75e4135
sha1
86b6eab3f27386027ae81a644adc4b15baffabfa
sha256
092a41da9b814bf297771e7a46891b5d3951cffef5faa7056107a2e990a403d3
sha512
3729178d6da1576eed32aa10d45866c7cbccae9faec6d0537289708f3f6ff9c26c6a926beaae2073667d8522014cc6e34c7e4c25e595d0adc6d42b2cb77527c2
ripemd-160
084f06571ca209f73e8f29c8bc6043297a17c071
Diameter
277680782
Circumference
872359904.77427
Area
6.0559395135791E+16
Volume
1.1210786799169E+25
Surface area
2.4223758054316E+17
Circumference
872359904.77427
Perimeter
555361564
Area
19276654173032881
Diagonal
196349963.95738
Surface area
115659925038197286
Volume
2.6763782025557E+24
Space diagonal
240478611.35473
Perimeter
416521173
Area
8.3470361069069E+15
Altitude
120239305.67736
Surface area
8.3470361069069E+15
Volume
3.1541419600783E+23
Height
65449987.985794