28908900 (number)

28908900 is an even 8-digits composite number following 28908899 and preceding 28908901. In scientific notation, it is written as 2.8908900 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors. There are 7439040 positive integers (up to 28908900) that are relatively prime to 28908900.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eight thousand nine hundred

Notation

Scientific notation 2.8908900 × 10^7
Engineering notation 2.8908900 × 10^6

Prime Factorization of 28908900

Prime Factorization 2 × 2 × 3 × 3 × 45 × 215 × 83

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 4818150
Product of the distinct prime numbers

The prime factorization of 28908900 is 2 × 2 × 3 × 3 × 45 × 215 × 83. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 6, 55, 54, 384, 103, 7639, 4052, 30605, 9191, 169942, 589928, 4195265, 2341318, 59774264, 7600904, 353792880, 18872894, 8230618213, 1969407636

Basic calculations (n = 28908900)

Multiplication

n×y
n×2 57817800
n×3 86726700
n×4 115635600
n×5 144544500

Division

n÷y
n÷2 14454450
n÷3 9636300
n÷3 7227225
n÷5 5781780

Exponentiation

ny
n2 835724499210000
n3 2.4159875975212E+22
n4 6.9843543857981E+29
n5 2.019100025036E+37

Nth Root

y√n
2√n 5376.6997312478
3√n 306.90963469092
4√n 73.325982647679
5√n 31.06034772205

Divisors of 28908900

1, 2, 3, 4, 6, 9, 12, 18, 36, 45, 83, 90, 135, 166, 180, 215, 249, 270, 332, 405, 430, 498, 540, 645, 747, 810, 860, 996, 1290, 1494, 1620, 1935, 2580, 2988, 3735, 3870, 7470, 7740, 9675, 11205, 14940, 17845, 19350, 22410, 29025, 33615, 35690, 38700, 44820, 53535, 58050, 67230, 71380, 87075, 107070, 116100, 134460, 160605, 174150, 214140, 321210, 348300, 642420, 803025, 1606050, 2409075, 3212100, 4818150, 7227225, 9636300, 14454450, 28908900

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28908899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28908900 can be divided by 72 positive divisors. The sum of these divisors (counting 28908900) is 1, the average is 0.013888888888889.

Base conversion 28908900

Base System Value
2 Binary 1101110010001110101100100
3 Ternary 2000101201120000
4 Quaternary 1232101311210
5 Quinary 24400041100
6 Senary 2511341300
8 Octal 156216544
10 Decimal 28908900
12 Duodecimal 9821830
16 Hexadecimal 1b91d64
20 Vigesimal 90dc50
36 Base36 h7m90

Cryptographic Hash Functions

md5 c45b9bc2cdb808cb7c24abc7dce942cb
sha1 8ba8c1ac86cb55448ddec04a5aa5f19c23a8e42b
sha256 824309fb701cd23edb8182e284eaa04013d85ed14505fa3eef620f59a4fbd987
sha512 7096b9ed7c27d07fc2f26e1a1ed18b186c5d8365edea25a92f7172fe8f2c241a47c5157e1a4dd89d23efea3210ea4c9421cef57f66bd631858bcc1eaaa24f3bb
ripemd-160 5482b9cf42d28776495ae7305b419ec74faf91b5

28908900 as geometric shapes

Circle

Radius = n
Diameter 57817800
Circumference 181639975.72672
Area 2.6255059471431E+15

Sphere

Radius = n
Volume 1.0120065183382E+23
Surface area 1.0502023788573E+16
Circumference 181639975.72672

Square

Length = n
Perimeter 115635600
Area 835724499210000
Diagonal 40883358.453288

Cube

Length = n
Surface area 5014346995260000
Volume 2.4159875975212E+22
Space diagonal 50071683.590928

Equilateral Triangle

Length = n
Perimeter 86726700
Area 3.6187932344044E+14
Altitude 25035841.795464

Triangular Pyramid

Length = n
Surface area 3.6187932344044E+14
Volume 2.8472686891164E+21
Height 13627786.151096