28995939 (number)

28995939 is an odd 8-digits composite number following 28995938 and preceding 28995940. In scientific notation, it is written as 2.8995939 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 15847920 positive integers (up to 28995939) that are relatively prime to 28995939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8995939 × 10^7
Engineering notation 2.8995939 × 10^6

Prime Factorization of 28995939

Prime Factorization 7 × 9 × 23 × 20011

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28995939
Product of the distinct prime numbers

The prime factorization of 28995939 is 7 × 9 × 23 × 20011. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 96, 99, 143, 336, 6624, 3600, 83993, 42022, 828731, 73153, 5085521, 9190964, 47040918, 36356354, 974139362, 376917797, 1692200912, 2450564737

Basic calculations (n = 28995939)

Multiplication

n×y
n×2 57991878
n×3 86987817
n×4 115983756
n×5 144979695

Division

n÷y
n÷2 14497969.5
n÷3 9665313
n÷3 7248984.75
n÷5 5799187.8

Exponentiation

ny
n2 840764478491721
n3 2.4378755531713E+22
n4 7.0688490829346E+29
n5 2.0496791680898E+37

Nth Root

y√n
2√n 5384.7877395493
3√n 307.2173408892
4√n 73.381112962051
5√n 31.079028554864

Divisors of 28995939

1, 7, 9, 23, 63, 161, 207, 1449, 20011, 140077, 180099, 460253, 1260693, 3221771, 4142277, 28995939

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 -28995938
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 28995939 can be divided by 16 positive divisors. The sum of these divisors (counting 28995939) is 1, the average is 0.0625.

Base conversion 28995939

Base System Value
2 Binary 1101110100111000101100011
3 Ternary 2000120010221200
4 Quaternary 1232213011203
5 Quinary 24410332224
6 Senary 2513252243
8 Octal 156470543
10 Decimal 28995939
12 Duodecimal 9864083
16 Hexadecimal 1ba7163
20 Vigesimal 9149gj
36 Base36 h9her

Cryptographic Hash Functions

md5 274a14d18252e77566f141c6c32da99c
sha1 dc90cc474a03ac918621ecfeab3f1a61dbe5a700
sha256 4dfc36591cd44f993506ef5a7d89f54f03dfba51b1e35caea483986ae6248114
sha512 c059c6b17cf73b4a309a5070553394e6c951f068a06a3899d7414c1fcc53df4b0c80d3062370fba3a99d76e4f3c755dc349464f3008c7558dc7d4f67ff34dde3
ripemd-160 81545514e40a964b152bc234a9df3905fce78fd4

28995939 as geometric shapes

Circle

Radius = n
Diameter 57991878
Circumference 182186857.89268
Area 2.6413395090288E+15

Sphere

Radius = n
Volume 1.0211749237612E+23
Surface area 1.0565358036115E+16
Circumference 182186857.89268

Square

Length = n
Perimeter 115983756
Area 840764478491721
Diagonal 41006450.187543

Cube

Length = n
Surface area 5044586870950326
Volume 2.4378755531713E+22
Space diagonal 50222439.561168

Equilateral Triangle

Length = n
Perimeter 86987817
Area 3.640616984867E+14
Altitude 25111219.780584

Triangular Pyramid

Length = n
Surface area 3.640616984867E+14
Volume 2.8730638922272E+21
Height 13668816.729181