28990906 (number)

28990906 is an even 8-digits composite number following 28990905 and preceding 28990907. In scientific notation, it is written as 2.8990906 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 12088656 positive integers (up to 28990906) that are relatively prime to 28990906.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety thousand nine hundred six

Notation

Scientific notation 2.8990906 × 10^7
Engineering notation 2.8990906 × 10^6

Prime Factorization of 28990906

Prime Factorization 2 × 7 × 37 × 55967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28990906
Product of the distinct prime numbers

The prime factorization of 28990906 is 2 × 7 × 37 × 55967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28990906)

Multiplication

n×y
n×2 57981812
n×3 86972718
n×4 115963624
n×5 144954530

Division

n÷y
n÷2 14495453
n÷3 9663635.3333333
n÷3 7247726.5
n÷5 5798181.2

Exponentiation

ny
n2 840472630700836
n3 2.4366063032221E+22
n4 7.0639424295718E+29
n5 2.0479009096513E+37

Nth Root

y√n
2√n 5384.3203842268
3√n 307.19956467178
4√n 73.37792845418
5√n 31.077949565063

Divisors of 28990906

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 -28990905
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 28990906 can be divided by 16 positive divisors. The sum of these divisors (counting 28990906) is 1, the average is 0.0625.

Base conversion 28990906

Base System Value
2 Binary 1101110100101110110111010
3 Ternary 2000112220001021
4 Quaternary 1232211312322
5 Quinary 24410202111
6 Senary 2513213054
8 Octal 156456672
10 Decimal 28990906
12 Duodecimal 986118a
16 Hexadecimal 1ba5dba
20 Vigesimal 913h56
36 Base36 h9diy

Cryptographic Hash Functions

md5 7d67ed3b665cc3f41862b552016e8e6e
sha1 2ea5b6bd52c7df0f2cde899abd3f56c387f3282f
sha256 dbe3fadcbac7ff4a6ded957f365b63b31d7781ba5d98ba457a11adc4053cc7c0
sha512 8090375a0757e10cd498353d7dc9e41f44042ddd8b1ea7f0479cdc21e56703566474793d9c793e3050d7de5ece173710327484bbb4bbdf7edda2a628952378e9
ripemd-160 5160c596e7bba3ea0b10024415e3930260d32fb1

28990906 as geometric shapes

Circle

Radius = n
Diameter 57981812
Circumference 182155234.62102
Area 2.640422642153E+15

Sphere

Radius = n
Volume 1.0206432615857E+23
Surface area 1.0561690568612E+16
Circumference 182155234.62102

Square

Length = n
Perimeter 115963624
Area 840472630700836
Diagonal 40999332.450684

Cube

Length = n
Surface area 5042835784205016
Volume 2.4366063032221E+22
Space diagonal 50213722.149453

Equilateral Triangle

Length = n
Perimeter 86972718
Area 3.6393532468623E+14
Altitude 25106861.074727

Triangular Pyramid

Length = n
Surface area 3.6393532468623E+14
Volume 2.871568066817E+21
Height 13666444.150228