138791 (number)

138791 is an odd 6-digits composite number following 138790 and preceding 138792. In scientific notation, it is written as 1.38791 × 10^5. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 135792 positive integers (up to 138791) that are relatively prime to 138791.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight thousand seven hundred ninety-one

Notation

Scientific notation 1.38791 × 10^5
Engineering notation 1.38791 × 10^3

Prime Factorization of 138791

Prime Factorization 47 × 2953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138791
Product of the distinct prime numbers

The prime factorization of 138791 is 47 × 2953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138791)

Multiplication

n×y
n×2 277582
n×3 416373
n×4 555164
n×5 693955

Division

n÷y
n÷2 69395.5
n÷3 46263.666666667
n÷3 34697.75
n÷5 27758.2

Exponentiation

ny
n2 19262941681
n3 2673522938847671
n4 3.7106092220561E+20
n5 5.1499916453838E+25

Nth Root

y√n
2√n 372.54664137528
3√n 51.775039031617
4√n 19.301467337363
5√n 10.677565911955

Divisors of 138791

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138790
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138791 can be divided by 4 positive divisors. The sum of these divisors (counting 138791) is 1, the average is 0.25.

Base conversion 138791

Base System Value
2 Binary 100001111000100111
3 Ternary 21001101102
4 Quaternary 201320213
5 Quinary 13420131
6 Senary 2550315
8 Octal 417047
10 Decimal 138791
12 Duodecimal 6839b
16 Hexadecimal 21e27
20 Vigesimal h6jb
36 Base36 2z3b

Cryptographic Hash Functions

md5 c3e341724400466518024a2ce72c8489
sha1 75b57a622dc3335394f7260e1369f821f8f40e9d
sha256 916e61f592934f4ecb9f6cfd4d9d8202935d84cc75772f13e5f1ec2ffedf7953
sha512 40c1d3041a4839b38d35b80eb7df7a764e9b46c54b0fce94ad616b1913b103fc8f763ce9da65d075d840be30c199958dcf39da1815e7f0bf0af027b7243a682f
ripemd-160 63217464e649c7f5dbbe98ad3f95e99137912459

138791 as geometric shapes

Circle

Radius = n
Diameter 277582
Circumference 872049.57196876
Area 60516316071.558

Sphere

Radius = n
Volume 1.1198826698517E+16
Surface area 242065264286.23
Circumference 872049.57196876

Square

Length = n
Perimeter 555164
Area 19262941681
Diagonal 196280.11453532

Cube

Length = n
Surface area 115577650086
Volume 2673522938847671
Space diagonal 240393.06363329

Equilateral Triangle

Length = n
Perimeter 416373
Area 8341098423.6821
Altitude 120196.53181665

Triangular Pyramid

Length = n
Surface area 8341098423.6821
Volume 3.1507769995283E+14
Height 65426.704845108