138972 (number)

138972 is an even 6-digits composite number following 138971 and preceding 138973. In scientific notation, it is written as 1.38972 × 10^5. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 44928 positive integers (up to 138972) that are relatively prime to 138972.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight thousand nine hundred seventy-two

Notation

Scientific notation 1.38972 × 10^5
Engineering notation 1.38972 × 10^3

Prime Factorization of 138972

Prime Factorization 2 × 2 × 3 × 37 × 313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 69486
Product of the distinct prime numbers

The prime factorization of 138972 is 2 × 2 × 3 × 37 × 313. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138972)

Multiplication

n×y
n×2 277944
n×3 416916
n×4 555888
n×5 694860

Division

n÷y
n÷2 69486
n÷3 46324
n÷3 34743
n÷5 27794.4

Exponentiation

ny
n2 19313216784
n3 2683996362906048
n4 3.7300034254578E+20
n5 5.1836603604272E+25

Nth Root

y√n
2√n 372.78948483025
3√n 51.797536194636
4√n 19.307757115477
5√n 10.680349423943

Divisors of 138972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138972 can be divided by 24 positive divisors. The sum of these divisors (counting 138972) is 1, the average is 0.041666666666667.

Base conversion 138972

Base System Value
2 Binary 100001111011011100
3 Ternary 21001122010
4 Quaternary 201323130
5 Quinary 13421342
6 Senary 2551220
8 Octal 417334
10 Decimal 138972
12 Duodecimal 68510
16 Hexadecimal 21edc
20 Vigesimal h78c
36 Base36 2z8c

Cryptographic Hash Functions

md5 572cbfd4596b9d6647bc8e4ac8286953
sha1 21708c4203966a2f87e18f2c9ac3c7b82c52647b
sha256 dde1c647086f0a965a6dd7fa9d425e29ae2590ed9ddc13196dcc6f0124fbde1e
sha512 4f812524209427cdabda37f798b07e4d6418040818fd2f7057b039125bd87b2b50181c66983ff0465ac2f3cf6090ad5d8bfc5cb02a4ebedd7f62c9c2b08b7979
ripemd-160 aee2da7d16b9ca8a8dc6e21a7d0622493c327371

138972 as geometric shapes

Circle

Radius = n
Diameter 277944
Circumference 873186.82850936
Area 60674259965.801

Sphere

Radius = n
Volume 1.1242697674623E+16
Surface area 242697039863.21
Circumference 873186.82850936

Square

Length = n
Perimeter 555888
Area 19313216784
Diagonal 196536.08719011

Cube

Length = n
Surface area 115879300704
Volume 2683996362906048
Space diagonal 240706.56482946

Equilateral Triangle

Length = n
Perimeter 416916
Area 8362868181.87
Altitude 120353.28241473

Triangular Pyramid

Length = n
Surface area 8362868181.87
Volume 3.1631200481515E+14
Height 65512.029063371