28911023 (number)

28911023 is an odd 8-digits composite number following 28911022 and preceding 28911024. In scientific notation, it is written as 2.8911023 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 26357760 positive integers (up to 28911023) that are relatively prime to 28911023.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eleven thousand twenty-three

Notation

Scientific notation 2.8911023 × 10^7
Engineering notation 2.8911023 × 10^6

Prime Factorization of 28911023

Prime Factorization 23 × 53 × 37 × 641

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28911023
Product of the distinct prime numbers

The prime factorization of 28911023 is 23 × 53 × 37 × 641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28911023)

Multiplication

n×y
n×2 57822046
n×3 86733069
n×4 115644092
n×5 144555115

Division

n÷y
n÷2 14455511.5
n÷3 9637007.6666667
n÷3 7227755.75
n÷5 5782204.6

Exponentiation

ny
n2 835847250906529
n3 2.4165199095445E+22
n4 6.98640626848E+29
n5 2.0198415231537E+37

Nth Root

y√n
2√n 5376.8971535636
3√n 306.91714740852
4√n 73.327328831504
5√n 31.060803908078

Divisors of 28911023

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 -28911022
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 28911023 can be divided by 16 positive divisors. The sum of these divisors (counting 28911023) is 1, the average is 0.0625.

Base conversion 28911023

Base System Value
2 Binary 1101110010010010110101111
3 Ternary 2000101211110122
4 Quaternary 1232102112233
5 Quinary 24400123043
6 Senary 2511355155
8 Octal 156222657
10 Decimal 28911023
12 Duodecimal 9822abb
16 Hexadecimal 1b925af
20 Vigesimal 90dhb3
36 Base36 h7nvz

Cryptographic Hash Functions

md5 2cbc6032492c541bb5b5872a4d00923a
sha1 1f62b065e0023294fbba64a97f39a34cbf881377
sha256 240bcd142e74cb6d230ef9dbed5d85385e1df5937752f9a2923271039f839262
sha512 d562bfb88efbb997e1d8c91b08b882b8c1bec4b534650e5238571f3519e5913529eb5beedd6655064b4cd2fd1be4b6ed92e4e844ad18d95dd772e9f778984b96
ripemd-160 4c0e1716b77246766d5e9f4a9a2efb87fb7dcba0

28911023 as geometric shapes

Circle

Radius = n
Diameter 57822046
Circumference 181653314.92913
Area 2.6258915829712E+15

Sphere

Radius = n
Volume 1.0122294926771E+23
Surface area 1.0503566331885E+16
Circumference 181653314.92913

Square

Length = n
Perimeter 115644092
Area 835847250906529
Diagonal 40886360.82868

Cube

Length = n
Surface area 5015083505439174
Volume 2.4165199095445E+22
Space diagonal 50075360.734792

Equilateral Triangle

Length = n
Perimeter 86733069
Area 3.6193247648422E+14
Altitude 25037680.367396

Triangular Pyramid

Length = n
Surface area 3.6193247648422E+14
Volume 2.8478960248521E+21
Height 13628786.942893