138946 (number)

138946 is an even 6-digits composite number following 138945 and preceding 138947. In scientific notation, it is written as 1.38946 × 10^5. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 69472 positive integers (up to 138946) that are relatively prime to 138946.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight thousand nine hundred forty-six

Notation

Scientific notation 1.38946 × 10^5
Engineering notation 1.38946 × 10^3

Prime Factorization of 138946

Prime Factorization 2 × 69473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138946
Product of the distinct prime numbers

The prime factorization of 138946 is 2 × 69473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138946)

Multiplication

n×y
n×2 277892
n×3 416838
n×4 555784
n×5 694730

Division

n÷y
n÷2 69473
n÷3 46315.333333333
n÷3 34736.5
n÷5 27789.2

Exponentiation

ny
n2 19305990916
n3 2682490213814536
n4 3.7272128524867E+20
n5 5.1788131700162E+25

Nth Root

y√n
2√n 372.75461097081
3√n 51.794305759882
4√n 19.306853989472
5√n 10.679949760891

Divisors of 138946

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 -138945
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 138946 can be divided by 4 positive divisors. The sum of these divisors (counting 138946) is 1, the average is 0.25.

Base conversion 138946

Base System Value
2 Binary 100001111011000010
3 Ternary 21001121011
4 Quaternary 201323002
5 Quinary 13421241
6 Senary 2551134
8 Octal 417302
10 Decimal 138946
12 Duodecimal 684aa
16 Hexadecimal 21ec2
20 Vigesimal h776
36 Base36 2z7m

Cryptographic Hash Functions

md5 574ce7384b4dc90626d4c3cea9d61b9a
sha1 67b0dc41b1890648aa72042a021a8c87327d48a6
sha256 9c590cbd4fad825fdeb4624b2eaf5865e17d27d06df1569835c2c5a71b969ea0
sha512 38777a10859dc78095e4bc19557a5dc4f1346ed1d8289e81101fd2e2f8630ec5977cdd06b804928780b362e1eff1481a14f6291870ffa39df5f6967659b08e93
ripemd-160 e9ed934e07e6af1d5f165ab7d17b4b5dd51375ab

138946 as geometric shapes

Circle

Radius = n
Diameter 277892
Circumference 873023.46569137
Area 60651559231.977

Sphere

Radius = n
Volume 1.1236388732062E+16
Surface area 242606236927.91
Circumference 873023.46569137

Square

Length = n
Perimeter 555784
Area 19305990916
Diagonal 196499.31763749

Cube

Length = n
Surface area 115835945496
Volume 2682490213814536
Space diagonal 240661.53150847

Equilateral Triangle

Length = n
Perimeter 416838
Area 8359739289.2438
Altitude 120330.76575423

Triangular Pyramid

Length = n
Surface area 8359739289.2438
Volume 3.1613450344247E+14
Height 65499.772545831