28874909 (number)

28874909 is an odd 8-digits composite number following 28874908 and preceding 28874910. In scientific notation, it is written as 2.8874909 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 24724656 positive integers (up to 28874909) that are relatively prime to 28874909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8874909 × 10^7
Engineering notation 2.8874909 × 10^6

Prime Factorization of 28874909

Prime Factorization 7 × 2663 × 1549

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28874909
Product of the distinct prime numbers

The prime factorization of 28874909 is 7 × 2663 × 1549. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28874909)

Multiplication

n×y
n×2 57749818
n×3 86624727
n×4 115499636
n×5 144374545

Division

n÷y
n÷2 14437454.5
n÷3 9624969.6666667
n÷3 7218727.25
n÷5 5774981.8

Exponentiation

ny
n2 833760369758281
n3 2.4074754804577E+22
n4 6.9515635417947E+29
n5 2.0072576467704E+37

Nth Root

y√n
2√n 5373.5378476382
3√n 306.78929969871
4√n 73.304419018489
5√n 31.053040151167

Divisors of 28874909

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 -28874908
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 28874909 can be divided by 8 positive divisors. The sum of these divisors (counting 28874909) is 1, the average is 0.125.

Base conversion 28874909

Base System Value
2 Binary 1101110001001100010011101
3 Ternary 2000022222221002
4 Quaternary 1232021202131
5 Quinary 24342444114
6 Senary 2510520045
8 Octal 156114235
10 Decimal 28874909
12 Duodecimal 9806025
16 Hexadecimal 1b8989d
20 Vigesimal 909759
36 Base36 h6w0t

Cryptographic Hash Functions

md5 4182bd224893da298847789648e8c366
sha1 6151f242f5e298a315f0e9a2a63bcbf05afc0bc8
sha256 f97537c7553ed50bb9671b365db6692fd6c6ad087ded7d2cfe4c80b1abcf5a60
sha512 0d60f8dcab31d8499514b15e060b3956363c0e87f00d19187a93621690cd3aedee266638e3dd3bc33e59de9712690368d49699f62ab48e659298e2b26d4a3575
ripemd-160 af34131c1a8847d7a778e39ea4b6e349f146e708

28874909 as geometric shapes

Circle

Radius = n
Diameter 57749818
Circumference 181426403.97495
Area 2.6193354524869E+15

Sphere

Radius = n
Volume 1.0084409710805E+23
Surface area 1.0477341809948E+16
Circumference 181426403.97495

Square

Length = n
Perimeter 115499636
Area 833760369758281
Diagonal 40835287.920089

Cube

Length = n
Surface area 5002562218549686
Volume 2.4074754804577E+22
Space diagonal 50012809.451928

Equilateral Triangle

Length = n
Perimeter 86624727
Area 3.6102883043969E+14
Altitude 25006404.725964

Triangular Pyramid

Length = n
Surface area 3.6102883043969E+14
Volume 2.8372370629533E+21
Height 13611762.64003