28897984 (number)

28897984 is an even 8-digits composite number following 28897983 and preceding 28897985. In scientific notation, it is written as 2.8897984 × 10^7. The sum of its digits is 55. It has a total of 8 prime factors and 28 positive divisors. There are 14370048 positive integers (up to 28897984) that are relatively prime to 28897984.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred ninety-seven thousand nine hundred eighty-four

Notation

Scientific notation 2.8897984 × 10^7
Engineering notation 2.8897984 × 10^6

Prime Factorization of 28897984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2269 × 199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 903062
Product of the distinct prime numbers

The prime factorization of 28897984 is 2 × 2 × 2 × 2 × 2 × 2 × 2269 × 199. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28897984)

Multiplication

n×y
n×2 57795968
n×3 86693952
n×4 115591936
n×5 144489920

Division

n÷y
n÷2 14448992
n÷3 9632661.3333333
n÷3 7224496
n÷5 5779596.8

Exponentiation

ny
n2 835093479264256
n3 2.4132518002283E+22
n4 6.9738111910968E+29
n5 2.0152908421934E+37

Nth Root

y√n
2√n 5375.6845145525
3√n 306.87100013729
4√n 73.319059694956
5√n 31.058001690357

Divisors of 28897984

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28897983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28897984 can be divided by 28 positive divisors. The sum of these divisors (counting 28897984) is 1, the average is 0.035714285714286.

Base conversion 28897984

Base System Value
2 Binary 1101110001111001011000000
3 Ternary 2000101011120201
4 Quaternary 1232033023000
5 Quinary 24344213414
6 Senary 2511214544
8 Octal 156171300
10 Decimal 28897984
12 Duodecimal 9817454
16 Hexadecimal 1b8f2c0
20 Vigesimal 90c4j4
36 Base36 h7dts

Cryptographic Hash Functions

md5 503b9c592c3418c58e408ba8e972d460
sha1 08e93c087bd0c6c2b9ef1a8c6d449ea693bacd29
sha256 fe5fe1ae7d8695336baaba04fd8e9302112ba7a1ecabfc7fa4005a8373bb5680
sha512 cdbe8d9e86d7878dae1b56390ed40f5662e94f44aafc0e4941356e7b36fc84ef6c4934e72cd7bc34de5b88a915317390dd6ba4edc7d2486866da96e37dc5c4a6
ripemd-160 90492ee63a37fba4d3d9f799cd5b08d29a47061e

28897984 as geometric shapes

Circle

Radius = n
Diameter 57795968
Circumference 181571388.47591
Area 2.6235235395173E+15

Sphere

Radius = n
Volume 1.0108605502479E+23
Surface area 1.0494094158069E+16
Circumference 181571388.47591

Square

Length = n
Perimeter 115591936
Area 835093479264256
Diagonal 40867920.898041

Cube

Length = n
Surface area 5010560875585536
Volume 2.4132518002283E+22
Space diagonal 50052776.524312

Equilateral Triangle

Length = n
Perimeter 86693952
Area 3.6160608378879E+14
Altitude 25026388.262156

Triangular Pyramid

Length = n
Surface area 3.6160608378879E+14
Volume 2.8440445210868E+21
Height 13622640.299347