28990909 (number)

28990909 is an odd 8-digits prime number following 28990908 and preceding 28990910. In scientific notation, it is written as 2.8990909 × 10^7. The sum of its digits is 46. It has a total of 1 prime factors and 2 positive divisors. There are 28990908 positive integers (up to 28990909) that are relatively prime to 28990909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8990909 × 10^7
Engineering notation 2.8990909 × 10^6

Prime Factorization of 28990909

Prime Factorization 28990909

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28990909
Product of the distinct prime numbers

The prime factorization of 28990909 is 28990909. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 10, 38, 34, 268, 487, 7690, 4874, 83964, 27626, 392483, 410551, 5228601, 970369, 83449041, 4132702, 566206683, 984937005, 1663328053, 8172341761

Basic calculations (n = 28990909)

Multiplication

n×y
n×2 57981818
n×3 86972727
n×4 115963636
n×5 144954545

Division

n÷y
n÷2 14495454.5
n÷3 9663636.3333333
n÷3 7247727.25
n÷5 5798181.8

Exponentiation

ny
n2 840472804646281
n3 2.4366070596475E+22
n4 7.0639453534999E+29
n5 2.0479019692429E+37

Nth Root

y√n
2√n 5384.3206628135
3√n 307.19957526819
4√n 73.37793035248
5√n 31.077950208257

Divisors of 28990909

1, 28990909

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28990910
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14495455
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5384.3207556757
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999310129
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28990909 can be divided by 2 positive divisors. The sum of these divisors (counting 28990909) is 28990910, the average is 14495455.

Base conversion 28990909

Base System Value
2 Binary 1101110100101110110111101
3 Ternary 2000112220001101
4 Quaternary 1232211312331
5 Quinary 24410202114
6 Senary 2513213101
8 Octal 156456675
10 Decimal 28990909
12 Duodecimal 9861191
16 Hexadecimal 1ba5dbd
20 Vigesimal 913h59
36 Base36 h9dj1

Cryptographic Hash Functions

md5 7d2695b382b60322f551e9a354687caf
sha1 3ef5bd31f89b7f64f8b18b665a84c022b8bc1b9f
sha256 f660455a9d75563b62986885f1224afb1b667f667bd855bc0c15193e992fcb63
sha512 35c1a23f26e78e42faa131530f722ff3e98b6666a1e283b712d6cec246257eb6b471e5bf677e12b2e96b9dd66caaca83bb6308ffd74e530ff1419a945e8048c3
ripemd-160 96c46be252d4bc375862c117c336ec40226fbe1a

28990909 as geometric shapes

Circle

Radius = n
Diameter 57981818
Circumference 182155253.47058
Area 2.6404231886188E+15

Sphere

Radius = n
Volume 1.0206435784365E+23
Surface area 1.0561692754475E+16
Circumference 182155253.47058

Square

Length = n
Perimeter 115963636
Area 840472804646281
Diagonal 40999336.693324

Cube

Length = n
Surface area 5042836827877686
Volume 2.4366070596475E+22
Space diagonal 50213727.345606

Equilateral Triangle

Length = n
Perimeter 86972727
Area 3.6393540000682E+14
Altitude 25106863.672803

Triangular Pyramid

Length = n
Surface area 3.6393540000682E+14
Volume 2.8715689582729E+21
Height 13666445.564441