138646979 (number)

138646979 is an odd 9-digits composite number following 138646978 and preceding 138646980. In scientific notation, it is written as 1.38646979 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 138622584 positive integers (up to 138646979) that are relatively prime to 138646979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.38646979 × 10^8
Engineering notation 1.38646979 × 10^6

Prime Factorization of 138646979

Prime Factorization 9013 × 15383

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138646979
Product of the distinct prime numbers

The prime factorization of 138646979 is 9013 × 15383. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 138646979)

Multiplication

n×y
n×2 277293958
n×3 415940937
n×4 554587916
n×5 693234895

Division

n÷y
n÷2 69323489.5
n÷3 46215659.666667
n÷3 34661744.75
n÷5 27729395.8

Exponentiation

ny
n2 19222984785826441
n3 2.6652087679178E+24
n4 3.6952314407611E+32
n5 5.1233267596735E+40

Nth Root

y√n
2√n 11774.845179449
3√n 517.57124148541
4√n 108.51195869327
5√n 42.499329877696

Divisors of 138646979

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 -138646978
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 138646979 can be divided by 4 positive divisors. The sum of these divisors (counting 138646979) is 1, the average is 0.25.

Base conversion 138646979

Base System Value
2 Binary 1000010000111001010111000011
3 Ternary 100122212222220022
4 Quaternary 20100321113003
5 Quinary 240443200404
6 Senary 21431404055
8 Octal 1020712703
10 Decimal 138646979
12 Duodecimal 3a52362b
16 Hexadecimal 84395c3
20 Vigesimal 236ah8j
36 Base36 2ajooz

Cryptographic Hash Functions

md5 161d3611a380c2cb7569e3a94c0ded3d
sha1 899a522b53d585e80911210e7483b69e5efd9990
sha256 af47b37d02491d23572a41c2a6a2a37a9abb5d4f455f142eadbf7fa84a4d0667
sha512 16c93437ae50c27b728dbe46801344253d1e4794554f5a5a58edcb5945f7df5bbc24806fc1609fc598f31b91512e0796bbb9a765d20bf357e98484fb4172ad07
ripemd-160 c94075fd31b6fe269635e791ccf85d8b3e4230f1

138646979 as geometric shapes

Circle

Radius = n
Diameter 277293958
Circumference 871144661.33764
Area 6.0390787783221E+16

Sphere

Radius = n
Volume 1.1164000380765E+25
Surface area 2.4156315113288E+17
Circumference 871144661.33764

Square

Length = n
Perimeter 554587916
Area 19222984785826441
Diagonal 196076438.08386

Cube

Length = n
Surface area 115337908714958646
Volume 2.6652087679178E+24
Space diagonal 240143611.94394

Equilateral Triangle

Length = n
Perimeter 415940937
Area 8.3237965805437E+15
Altitude 120071805.97197

Triangular Pyramid

Length = n
Surface area 8.3237965805437E+15
Volume 3.1409786551209E+23
Height 65358812.694619