138857 (number)

138857 is an odd 6-digits composite number following 138856 and preceding 138858. In scientific notation, it is written as 1.38857 × 10^5. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 137940 positive integers (up to 138857) that are relatively prime to 138857.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.38857 × 10^5
Engineering notation 1.38857 × 10^3

Prime Factorization of 138857

Prime Factorization 191 × 727

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138857
Product of the distinct prime numbers

The prime factorization of 138857 is 191 × 727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138857)

Multiplication

n×y
n×2 277714
n×3 416571
n×4 555428
n×5 694285

Division

n÷y
n÷2 69428.5
n÷3 46285.666666667
n÷3 34714.25
n÷5 27771.4

Exponentiation

ny
n2 19281266449
n3 2677338815308793
n4 3.7176723587733E+20
n5 5.1622483072219E+25

Nth Root

y√n
2√n 372.63521035994
3√n 51.783244681504
4√n 19.30376155986
5√n 10.678581230442

Divisors of 138857

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 -138856
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 138857 can be divided by 4 positive divisors. The sum of these divisors (counting 138857) is 1, the average is 0.25.

Base conversion 138857

Base System Value
2 Binary 100001111001101001
3 Ternary 21001110212
4 Quaternary 201321221
5 Quinary 13420412
6 Senary 2550505
8 Octal 417151
10 Decimal 138857
12 Duodecimal 68435
16 Hexadecimal 21e69
20 Vigesimal h72h
36 Base36 2z55

Cryptographic Hash Functions

md5 be1a6f51482f8584433d365ec48766eb
sha1 1b88da79a6561e815e2f0a3e8233a7b75a2c6bea
sha256 a099c29811e60569f53e0a4dc078ba949f5948e7c644f24d34326b6ba5188284
sha512 04173b35106ec1aaf87cf71ad2e052369a489efbc47cb388095863c82db0696cbf0dd12fd3fae2fe75155baf8e40f9f8866955292f11ad353601b32d043d78d7
ripemd-160 97d05eae1202d78aadcbfd29274343e3d49cfd9a

138857 as geometric shapes

Circle

Radius = n
Diameter 277714
Circumference 872464.26219904
Area 60573885028.086

Sphere

Radius = n
Volume 1.121481060446E+16
Surface area 242295540112.34
Circumference 872464.26219904

Square

Length = n
Perimeter 555428
Area 19281266449
Diagonal 196373.45263044

Cube

Length = n
Surface area 115687598694
Volume 2677338815308793
Space diagonal 240507.37898659

Equilateral Triangle

Length = n
Perimeter 416571
Area 8349033280.9853
Altitude 120253.6894933

Triangular Pyramid

Length = n
Surface area 8349033280.9853
Volume 3.1552740530647E+14
Height 65457.81754348