28291908 (number)

28291908 is an even 8-digits composite number following 28291907 and preceding 28291909. In scientific notation, it is written as 2.8291908 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 9411840 positive integers (up to 28291908) that are relatively prime to 28291908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8291908 × 10^7
Engineering notation 2.8291908 × 10^6

Prime Factorization of 28291908

Prime Factorization 2 × 2 × 3 × 571 × 4129

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14145954
Product of the distinct prime numbers

The prime factorization of 28291908 is 2 × 2 × 3 × 571 × 4129. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291908)

Multiplication

n×y
n×2 56583816
n×3 84875724
n×4 113167632
n×5 141459540

Division

n÷y
n÷2 14145954
n÷3 9430636
n÷3 7072977
n÷5 5658381.6

Exponentiation

ny
n2 800432058280464
n3 2.2645750153122E+22
n4 6.406914799231E+29
n5 1.8126384406368E+37

Nth Root

y√n
2√n 5319.013818369
3√n 304.71049479577
4√n 72.931569422089
5√n 30.926619237893

Divisors of 28291908

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28291907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28291908 can be divided by 24 positive divisors. The sum of these divisors (counting 28291908) is 1, the average is 0.041666666666667.

Base conversion 28291908

Base System Value
2 Binary 1101011111011001101000100
3 Ternary 1222020101012110
4 Quaternary 1223323031010
5 Quinary 24220320113
6 Senary 2450221020
8 Octal 153731504
10 Decimal 28291908
12 Duodecimal 9584770
16 Hexadecimal 1afb344
20 Vigesimal 8gg9f8
36 Base36 gue6c

Cryptographic Hash Functions

md5 40b45cd31811794e638c3b56290f8e8f
sha1 0b7c004cad34dff5f70a164658cd3ba178e42c37
sha256 78fa2e8fffdc64652adfd45ae2a60c424e06b0c6e8977c7210c69983b64c147d
sha512 cadef18f444317cbaade7282d9a2de13de34a470b4231e06b9b418d331bd01c315697771b5942cbb3aea227f7d515bf00d9d50bbef9adf26c2756345fcde7314
ripemd-160 a752f4b2dea966aceb9d6b966365bd45e55ad134

28291908 as geometric shapes

Circle

Radius = n
Diameter 56583816
Circumference 177763300.65768
Area 2.5146314739917E+15

Sphere

Radius = n
Volume 9.4858296421435E+22
Surface area 1.0058525895967E+16
Circumference 177763300.65768

Square

Length = n
Perimeter 113167632
Area 800432058280464
Diagonal 40010799.999012

Cube

Length = n
Surface area 4802592349682784
Volume 2.2645750153122E+22
Space diagonal 49003022.099064

Equilateral Triangle

Length = n
Perimeter 84875724
Area 3.4659724823717E+14
Altitude 24501511.049532

Triangular Pyramid

Length = n
Surface area 3.4659724823717E+14
Volume 2.6688272497214E+21
Height 13336933.333004