28432891 (number)

28432891 is an odd 8-digits composite number following 28432890 and preceding 28432892. In scientific notation, it is written as 2.8432891 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 26760352 positive integers (up to 28432891) that are relatively prime to 28432891.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-two thousand eight hundred ninety-one

Notation

Scientific notation 2.8432891 × 10^7
Engineering notation 2.8432891 × 10^6

Prime Factorization of 28432891

Prime Factorization 17 × 1672523

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28432891
Product of the distinct prime numbers

The prime factorization of 28432891 is 17 × 1672523. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28432891)

Multiplication

n×y
n×2 56865782
n×3 85298673
n×4 113731564
n×5 142164455

Division

n÷y
n÷2 14216445.5
n÷3 9477630.3333333
n÷3 7108222.75
n÷5 5686578.2

Exponentiation

ny
n2 808429290617881
n3 2.2985981901346E+22
n4 6.5355791792893E+29
n5 1.858254104266E+37

Nth Root

y√n
2√n 5332.2500879085
3√n 305.21579639936
4√n 73.022257482965
5√n 30.957380419328

Divisors of 28432891

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28432890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28432891 can be divided by 4 positive divisors. The sum of these divisors (counting 28432891) is 1, the average is 0.25.

Base conversion 28432891

Base System Value
2 Binary 1101100011101100111111011
3 Ternary 1222111112121001
4 Quaternary 1230131213323
5 Quinary 24234323031
6 Senary 2453225431
8 Octal 154354773
10 Decimal 28432891
12 Duodecimal 9632277
16 Hexadecimal 1b1d9fb
20 Vigesimal 8he24b
36 Base36 gxeyj

Cryptographic Hash Functions

md5 7e5e930d6dc6af1bf04e15857f951b77
sha1 e7907518d13112dac622c4bec985925f630c1fcd
sha256 50157d8135a3a3530d5548df08947c331f8603098bf1c0c8a177e88d4e2c268d
sha512 7b290fa2ea2934996432ad7a537acfd80ddc7c58f0d0a36c3b8eb6d2b3662b254c5c09b620a1fc9e879b727092ccd8ad075d566cb0c672ee7847031bb5e0b5f1
ripemd-160 dcbb7a53817108d256f515756642c04d0bde2a23

28432891 as geometric shapes

Circle

Radius = n
Diameter 56865782
Circumference 178649122.97184
Area 2.5397555203519E+15

Sphere

Radius = n
Volume 9.6283455835753E+22
Surface area 1.0159022081408E+16
Circumference 178649122.97184

Square

Length = n
Perimeter 113731564
Area 808429290617881
Diagonal 40210180.069676

Cube

Length = n
Surface area 4850575743707286
Volume 2.2985981901346E+22
Space diagonal 49247211.818068

Equilateral Triangle

Length = n
Perimeter 85298673
Area 3.5006015141926E+14
Altitude 24623605.909034

Triangular Pyramid

Length = n
Surface area 3.5006015141926E+14
Volume 2.7089239457788E+21
Height 13403393.356559