28804909 (number)

28804909 is an odd 8-digits composite number following 28804908 and preceding 28804910. In scientific notation, it is written as 2.8804909 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 24657360 positive integers (up to 28804909) that are relatively prime to 28804909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8804909 × 10^7
Engineering notation 2.8804909 × 10^6

Prime Factorization of 28804909

Prime Factorization 7 × 911 × 4517

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28804909
Product of the distinct prime numbers

The prime factorization of 28804909 is 7 × 911 × 4517. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28804909)

Multiplication

n×y
n×2 57609818
n×3 86414727
n×4 115219636
n×5 144024545

Division

n÷y
n÷2 14402454.5
n÷3 9601636.3333333
n÷3 7201227.25
n÷5 5760981.8

Exponentiation

ny
n2 829722782498281
n3 2.390008924509E+22
n4 6.8843989579669E+29
n5 1.9830448550393E+37

Nth Root

y√n
2√n 5367.0204955823
3√n 306.54118776894
4√n 73.259951512284
5√n 31.037969463109

Divisors of 28804909

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 -28804908
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 28804909 can be divided by 8 positive divisors. The sum of these divisors (counting 28804909) is 1, the average is 0.125.

Base conversion 28804909

Base System Value
2 Binary 1101101111000011100101101
3 Ternary 2000012102220111
4 Quaternary 1231320130231
5 Quinary 24333224114
6 Senary 2505220021
8 Octal 155703455
10 Decimal 28804909
12 Duodecimal 9791611
16 Hexadecimal 1b7872d
20 Vigesimal 900c59
36 Base36 h5e0d

Cryptographic Hash Functions

md5 fef834a7a6cc7e62faf4696a7dcf3e6e
sha1 11aa350f3cbe3816eb8f4f16a73de6f86f198794
sha256 8be9acc83d24a69724af772ea67ef51792bf6b661357b5bb60bad089697adc07
sha512 a4da78c6aec92dc72978849fa2e1207c325bf900e34860c3871bd1754736874ee5c71b1a9b7b1967e888deddc268a6e072b54955ba1d82ec134298796e27a650
ripemd-160 4550a01de1fa2aaeca41340ff395f046d030e26c

28804909 as geometric shapes

Circle

Radius = n
Diameter 57609818
Circumference 180986581.00345
Area 2.6066509980127E+15

Sphere

Radius = n
Volume 1.0011245972335E+23
Surface area 1.0426603992051E+16
Circumference 180986581.00345

Square

Length = n
Perimeter 115219636
Area 829722782498281
Diagonal 40736292.970723

Cube

Length = n
Surface area 4978336694989686
Volume 2.390008924509E+22
Space diagonal 49891565.895398

Equilateral Triangle

Length = n
Perimeter 86414727
Area 3.5928050387111E+14
Altitude 24945782.947699

Triangular Pyramid

Length = n
Surface area 3.5928050387111E+14
Volume 2.8166525293611E+21
Height 13578764.323574