28995791 (number)

28995791 is an odd 8-digits composite number following 28995790 and preceding 28995792. In scientific notation, it is written as 2.8995791 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 25965720 positive integers (up to 28995791) that are relatively prime to 28995791.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8995791 × 10^7
Engineering notation 2.8995791 × 10^6

Prime Factorization of 28995791

Prime Factorization 11 × 67 × 39343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28995791
Product of the distinct prime numbers

The prime factorization of 28995791 is 11 × 67 × 39343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28995791)

Multiplication

n×y
n×2 57991582
n×3 86987373
n×4 115983164
n×5 144978955

Division

n÷y
n÷2 14497895.5
n÷3 9665263.6666667
n÷3 7248947.75
n÷5 5799158.2

Exponentiation

ny
n2 840755895715681
n3 2.437838223419E+22
n4 7.0687047618068E+29
n5 2.0496268591405E+37

Nth Root

y√n
2√n 5384.7739971145
3√n 307.21681819251
4√n 73.38101932458
5√n 31.078996828313

Divisors of 28995791

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28995790
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28995791 can be divided by 8 positive divisors. The sum of these divisors (counting 28995791) is 1, the average is 0.125.

Base conversion 28995791

Base System Value
2 Binary 1101110100111000011001111
3 Ternary 2000120010202012
4 Quaternary 1232213003033
5 Quinary 24410331131
6 Senary 2513251435
8 Octal 156470317
10 Decimal 28995791
12 Duodecimal 9863b7b
16 Hexadecimal 1ba70cf
20 Vigesimal 91499b
36 Base36 h9han

Cryptographic Hash Functions

md5 a17c1023e607172ac9b1352e9090798c
sha1 7ffedcdefcc6f4462dd0bd5d3e97bc8e1a88f7f8
sha256 2d4c0cae9d643973d822216f9a69cee1ba33c0a13475dc9c214398642a868a0b
sha512 f198d1e92cf965a9d12e9cf451b14ab8094221535be6e70f98dbbf8b75f120d192a9a4b3c547f954c01f4e3f977f9a57e7f47b7ccea150bf0c111072d2e19278
ripemd-160 6c56b3decc27e8af41462792c4db634956bafc46

28995791 as geometric shapes

Circle

Radius = n
Diameter 57991582
Circumference 182185927.98125
Area 2.6413125454427E+15

Sphere

Radius = n
Volume 1.0211592871111E+23
Surface area 1.0565250181771E+16
Circumference 182185927.98125

Square

Length = n
Perimeter 115983164
Area 840755895715681
Diagonal 41006240.883936

Cube

Length = n
Surface area 5044535374294086
Volume 2.437838223419E+22
Space diagonal 50222183.217648

Equilateral Triangle

Length = n
Perimeter 86987373
Area 3.6405798203566E+14
Altitude 25111091.608824

Triangular Pyramid

Length = n
Surface area 3.6405798203566E+14
Volume 2.8730198986922E+21
Height 13668746.961312