28995788 (number)

28995788 is an even 8-digits composite number following 28995787 and preceding 28995789. In scientific notation, it is written as 2.8995788 × 10^7. The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors. There are 14030160 positive integers (up to 28995788) that are relatively prime to 28995788.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-five thousand seven hundred eighty-eight

Notation

Scientific notation 2.8995788 × 10^7
Engineering notation 2.8995788 × 10^6

Prime Factorization of 28995788

Prime Factorization 2 × 2 × 31 × 233837

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14497894
Product of the distinct prime numbers

The prime factorization of 28995788 is 2 × 2 × 31 × 233837. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 100, 86, 156, 687, 4539, 3399, 30445, 54992, 87607, 950961, 3677569, 6970064, 65512741, 80677428, 351892679, 395658317, 4277104676, 2002493346

Basic calculations (n = 28995788)

Multiplication

n×y
n×2 57991576
n×3 86987364
n×4 115983152
n×5 144978940

Division

n÷y
n÷2 14497894
n÷3 9665262.6666667
n÷3 7248947
n÷5 5799157.6

Exponentiation

ny
n2 840755721740944
n3 2.4378374667387E+22
n4 7.0687018364014E+29
n5 2.049625798835E+37

Nth Root

y√n
2√n 5384.7737185512
3√n 307.21680759729
4√n 73.38101742652
5√n 31.078996185206

Divisors of 28995788

1, 2, 4, 31, 62, 124, 233837, 467674, 935348, 7248947, 14497894, 28995788

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28995787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28995788 can be divided by 12 positive divisors. The sum of these divisors (counting 28995788) is 1, the average is 0.083333333333333.

Base conversion 28995788

Base System Value
2 Binary 1101110100111000011001100
3 Ternary 2000120010202002
4 Quaternary 1232213003030
5 Quinary 24410331123
6 Senary 2513251432
8 Octal 156470314
10 Decimal 28995788
12 Duodecimal 9863b78
16 Hexadecimal 1ba70cc
20 Vigesimal 914998
36 Base36 h9hak

Cryptographic Hash Functions

md5 28c824a7dd48a769b154d990b0d6b066
sha1 53954ac35a1c5fff6bfe675a37ed4bd69de2c661
sha256 062f880260ca8ce8f6477efcaabedc0b914f2e5697bc755788bfb45d491c87ac
sha512 56278492f2393c1c27cb68e6484054864e2fc17e42e5115040a21e00297fb07c7acb596ca485f9c8f291b2f117fcb4e2120e66e7385fae82f0901a97550b3799
ripemd-160 0444f7e8c5612b1557a317c3af901d7af81681ec

28995788 as geometric shapes

Circle

Radius = n
Diameter 57991576
Circumference 182185909.13169
Area 2.6413119988849E+15

Sphere

Radius = n
Volume 1.0211589701537E+23
Surface area 1.056524799554E+16
Circumference 182185909.13169

Square

Length = n
Perimeter 115983152
Area 840755721740944
Diagonal 41006236.641295

Cube

Length = n
Surface area 5044534330445664
Volume 2.4378374667387E+22
Space diagonal 50222178.021496

Equilateral Triangle

Length = n
Perimeter 86987364
Area 3.6405790670239E+14
Altitude 25111089.010748

Triangular Pyramid

Length = n
Surface area 3.6405790670239E+14
Volume 2.873019006936E+21
Height 13668745.547098