28910910 (number)

28910910 is an even 8-digits composite number following 28910909 and preceding 28910911. In scientific notation, it is written as 2.8910910 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6393600 positive integers (up to 28910910) that are relatively prime to 28910910.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8910910 × 10^7
Engineering notation 2.8910910 × 10^6

Prime Factorization of 28910910

Prime Factorization 2 × 3 × 155 × 7 × 4441

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28910910
Product of the distinct prime numbers

The prime factorization of 28910910 is 2 × 3 × 155 × 7 × 4441. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 56, 74, 443, 14, 7668, 5046, 68720, 6547, 414536, 883435, 1289908, 8023431, 39228853, 34840712, 371855914, 748644022, 4547830572, 1341050128

Basic calculations (n = 28910910)

Multiplication

n×y
n×2 57821820
n×3 86732730
n×4 115643640
n×5 144554550

Division

n÷y
n÷2 14455455
n÷3 9636970
n÷3 7227727.5
n÷5 5782182

Exponentiation

ny
n2 835840717028100
n3 2.4164915744335E+22
n4 6.9862970424205E+29
n5 2.0198020502668E+37

Nth Root

y√n
2√n 5376.8866456343
3√n 306.91674754163
4√n 73.32725718063
5√n 31.060779627538

Divisors of 28910910

1, 2, 3, 6, 7, 14, 21, 42, 155, 310, 465, 930, 1085, 2170, 3255, 4441, 6510, 8882, 13323, 26646, 31087, 62174, 93261, 186522, 688355, 1376710, 2065065, 4130130, 4818485, 9636970, 14455455, 28910910

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28910909
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28910910 can be divided by 32 positive divisors. The sum of these divisors (counting 28910910) is 1, the average is 0.03125.

Base conversion 28910910

Base System Value
2 Binary 1101110010010010100111110
3 Ternary 2000101211022110
4 Quaternary 1232102110332
5 Quinary 24400122120
6 Senary 2511354450
8 Octal 156222476
10 Decimal 28910910
12 Duodecimal 9822a26
16 Hexadecimal 1b9253e
20 Vigesimal 90dh5a
36 Base36 h7nsu

Cryptographic Hash Functions

md5 6ff8d0be1990f9c78a87ed4a1445f289
sha1 b27cad3c4f2148b8db8eb86afc43fb4a9fbb3c1f
sha256 54b4f89720ca756e7ab1ac3f8a4046b2158bfae04077d4c0e23e5acd5bfa053c
sha512 dee93ae2e441a619d94ce06534fe662b14a284c38295e2a34bfec8fb14ae6ed7294a5b9fd81f97917f5597ebcb3a05ce0a037e4e70bc6544054340345063ee43
ripemd-160 f862f28d930971340a2d1dca6f0cc992b19d0a2d

28910910 as geometric shapes

Circle

Radius = n
Diameter 57821820
Circumference 181652604.92919
Area 2.6258710561867E+15

Sphere

Radius = n
Volume 1.0122176236936E+23
Surface area 1.0503484224747E+16
Circumference 181652604.92919

Square

Length = n
Perimeter 115643640
Area 835840717028100
Diagonal 40886201.022548

Cube

Length = n
Surface area 5015044302168600
Volume 2.4164915744335E+22
Space diagonal 50075165.013051

Equilateral Triangle

Length = n
Perimeter 86732730
Area 3.6192964723187E+14
Altitude 25037582.506526

Triangular Pyramid

Length = n
Surface area 3.6192964723187E+14
Volume 2.8478626316035E+21
Height 13628733.674183