28939979 (number)

28939979 is an odd 8-digits composite number following 28939978 and preceding 28939980. In scientific notation, it is written as 2.8939979 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 28900080 positive integers (up to 28939979) that are relatively prime to 28939979.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-nine thousand nine hundred seventy-nine

Notation

Scientific notation 2.8939979 × 10^7
Engineering notation 2.8939979 × 10^6

Prime Factorization of 28939979

Prime Factorization 739 × 39161

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28939979
Product of the distinct prime numbers

The prime factorization of 28939979 is 739 × 39161. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 8, 77, 11, 3, 915, 3453, 1937, 28030, 75344, 982652, 640162, 835382, 16517, 78304252, 32123638, 732853842, 570365341, 2357009415, 4089738407

Basic calculations (n = 28939979)

Multiplication

n×y
n×2 57879958
n×3 86819937
n×4 115759916
n×5 144699895

Division

n÷y
n÷2 14469989.5
n÷3 9646659.6666667
n÷3 7234994.75
n÷5 5787995.8

Exponentiation

ny
n2 837522384520441
n3 2.4237880220051E+22
n4 7.0144374457281E+29
n5 2.0299767237618E+37

Nth Root

y√n
2√n 5379.5891107035
3√n 307.01957809268
4√n 73.345682290804
5√n 31.067023242039

Divisors of 28939979

1, 739, 39161, 28939979

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 -28939978
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 28939979 can be divided by 4 positive divisors. The sum of these divisors (counting 28939979) is 1, the average is 0.25.

Base conversion 28939979

Base System Value
2 Binary 1101110011001011011001011
3 Ternary 2000110022012002
4 Quaternary 1232121123023
5 Quinary 24402034404
6 Senary 2512141215
8 Octal 156313313
10 Decimal 28939979
12 Duodecimal 983780b
16 Hexadecimal 1b996cb
20 Vigesimal 90h9ij
36 Base36 h8a8b

Cryptographic Hash Functions

md5 cfcc59112c820f49f4115aa6244866d5
sha1 9d4742e5962ab7c7ff5afbd86b27a45bc3997f6b
sha256 cf46186fc93bd4a03d1b68b4cd58cbb431d64b33e5ed41d1ce82ddfd35661706
sha512 ea3dff7c4db66ccce1c2520eb53740cc074ccde09d48cbbec862c116dbc21d0681126fb8c0a3e0d4012faa2819cc4ce1d75b3bdbda29c9ae704f1962df342c09
ripemd-160 4adb974fc6a9963c3fb1cf2cef145520c77cbc5f

28939979 as geometric shapes

Circle

Radius = n
Diameter 57879958
Circumference 181835250.84289
Area 2.6311541704264E+15

Sphere

Radius = n
Volume 1.0152739525054E+23
Surface area 1.0524616681706E+16
Circumference 181835250.84289

Square

Length = n
Perimeter 115759916
Area 837522384520441
Diagonal 40927310.796593

Cube

Length = n
Surface area 5025134307122646
Volume 2.4237880220051E+22
Space diagonal 50125513.997976

Equilateral Triangle

Length = n
Perimeter 86819937
Area 3.6265783061641E+14
Altitude 25062756.998988

Triangular Pyramid

Length = n
Surface area 3.6265783061641E+14
Volume 2.8564615775309E+21
Height 13642436.932198