28939939 (number)

28939939 is an odd 8-digits composite number following 28939938 and preceding 28939940. In scientific notation, it is written as 2.8939939 × 10^7. The sum of its digits is 52. It has a total of 5 prime factors and 16 positive divisors. There are 24586632 positive integers (up to 28939939) that are relatively prime to 28939939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8939939 × 10^7
Engineering notation 2.8939939 × 10^6

Prime Factorization of 28939939

Prime Factorization 7 × 7 × 7 × 607 × 139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 590611
Product of the distinct prime numbers

The prime factorization of 28939939 is 7 × 7 × 7 × 607 × 139. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 22, 28, 567, 916, 5415, 6943, 42552, 72892, 286804, 479051, 489309, 4612166, 20093743, 14936751, 31889589, 852004321, 2443382116, 3473980614

Basic calculations (n = 28939939)

Multiplication

n×y
n×2 57879878
n×3 86819817
n×4 115759756
n×5 144699695

Division

n÷y
n÷2 14469969.5
n÷3 9646646.3333333
n÷3 7234984.75
n÷5 5787987.8

Exponentiation

ny
n2 837520069323721
n3 2.4237779717504E+22
n4 7.0143986652001E+29
n5 2.0299626949257E+37

Nth Root

y√n
2√n 5379.5853929462
3√n 307.01943664143
4√n 73.345656946722
5√n 31.067014654047

Divisors of 28939939

1, 7, 49, 139, 343, 607, 973, 4249, 6811, 29743, 47677, 84373, 208201, 590611, 4134277, 28939939

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28939938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28939939 can be divided by 16 positive divisors. The sum of these divisors (counting 28939939) is 1, the average is 0.0625.

Base conversion 28939939

Base System Value
2 Binary 1101110011001011010100011
3 Ternary 2000110022010121
4 Quaternary 1232121122203
5 Quinary 24402034224
6 Senary 2512141111
8 Octal 156313243
10 Decimal 28939939
12 Duodecimal 9837797
16 Hexadecimal 1b996a3
20 Vigesimal 90h9gj
36 Base36 h8a77

Cryptographic Hash Functions

md5 b4c04fbc5e3c9675d0e40f448a978239
sha1 e6e224d8fb9a63b91a2b3e3f205987642f09a911
sha256 9551b8e628ec9b2d0ad6190fafa613ef27f5bdc373e9accf1c603b284e30b1d1
sha512 744b2294bd25ca65358f9898a59b4eeb4ebfaa3c5100b04a451b0b1cd0665f93aeaccb851f240b3b858ad4ced1fc64532582158a7966558172cf48c2f30d873b
ripemd-160 4886a115742b28daf7bec0870bea9e929cba983f

28939939 as geometric shapes

Circle

Radius = n
Diameter 57879878
Circumference 181834999.51547
Area 2.6311468970214E+15

Sphere

Radius = n
Volume 1.0152697426645E+23
Surface area 1.0524587588086E+16
Circumference 181834999.51547

Square

Length = n
Perimeter 115759756
Area 837520069323721
Diagonal 40927254.22805

Cube

Length = n
Surface area 5025120415942326
Volume 2.4237779717504E+22
Space diagonal 50125444.715944

Equilateral Triangle

Length = n
Perimeter 86819817
Area 3.6265682810682E+14
Altitude 25062722.357972

Triangular Pyramid

Length = n
Surface area 3.6265682810682E+14
Volume 2.8564497331922E+21
Height 13642418.076017