28897 (number)

28897 is an odd 5-digits composite number following 28896 and preceding 28898. In scientific notation, it is written as 2.8897 × 10^4. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 25200 positive integers (up to 28897) that are relatively prime to 28897.

Interesting facts

Basic properties

Name

Name twenty-eight thousand eight hundred ninety-seven

Notation

Scientific notation 2.8897 × 10^4
Engineering notation 2.8897 × 10^3

Prime Factorization of 28897

Prime Factorization 11 × 37 × 71

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28897
Product of the distinct prime numbers

The prime factorization of 28897 is 11 × 37 × 71. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 7, 31, 26, 455, 480, 3251, 7475, 32047, 56010, 852436, 779384, 4527049, 4124089, 27801163, 70399130, 276964843, 826204004, 4802199127, 449930414

Basic calculations (n = 28897)

Multiplication

n×y
n×2 57794
n×3 86691
n×4 115588
n×5 144485

Division

n÷y
n÷2 14448.5
n÷3 9632.3333333333
n÷3 7224.25
n÷5 5779.4

Exponentiation

ny
n2 835036609
n3 24130052890273
n4 697286138370218881
n5 2.0149477540484E+22

Nth Root

y√n
2√n 169.99117624159
3√n 30.686751702821
4√n 13.038066430326
5√n 7.8013641739287

Divisors of 28897

1, 11, 37, 71, 407, 781, 2627, 28897

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 -28896
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 28897 can be divided by 8 positive divisors. The sum of these divisors (counting 28897) is 1, the average is 0.125.

Base conversion 28897

Base System Value
2 Binary 111000011100001
3 Ternary 1110122021
4 Quaternary 13003201
5 Quinary 1411042
6 Senary 341441
8 Octal 70341
10 Decimal 28897
12 Duodecimal 14881
16 Hexadecimal 70e1
20 Vigesimal 3c4h
36 Base36 map

Cryptographic Hash Functions

md5 3ffa944140b77ef7b5e7500eb4ca2fe5
sha1 fc49f57d64112a5554cc96358c61e47108fd3b6e
sha256 230cb389565318863008f30e84bfdf9e03638d2f41519f8a506c989f9ec12fcc
sha512 45de8c9ddc5a7b809209736df95138686de05a6da8745a1ffaa2cc5fd0dd28745b60186951ee5ce2cba883c43bb59fbc495811c7d49462e7b92034d811493b5a
ripemd-160 292d54769f5d523c39500cbdc5a2bfeb1b5648b8

28897 as geometric shapes

Circle

Radius = n
Diameter 57794
Circumference 181565.20582157
Area 2623344876.3129

Sphere

Radius = n
Volume 1.0107572918775E+14
Surface area 10493379505.252
Circumference 181565.20582157

Square

Length = n
Perimeter 115588
Area 835036609
Diagonal 40866.529311895

Cube

Length = n
Surface area 5010219654
Volume 24130052890273
Space diagonal 50051.072186318

Equilateral Triangle

Length = n
Perimeter 86691
Area 361581458.24201
Altitude 25025.536093159

Triangular Pyramid

Length = n
Surface area 361581458.24201
Volume 2843754004850.3
Height 13622.176437298