28421915 (number)

28421915 is an odd 8-digits composite number following 28421914 and preceding 28421916. In scientific notation, it is written as 2.8421915 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 22737528 positive integers (up to 28421915) that are relatively prime to 28421915.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8421915 × 10^7
Engineering notation 2.8421915 × 10^6

Prime Factorization of 28421915

Prime Factorization 5 × 5684383

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28421915
Product of the distinct prime numbers

The prime factorization of 28421915 is 5 × 5684383. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28421915)

Multiplication

n×y
n×2 56843830
n×3 85265745
n×4 113687660
n×5 142109575

Division

n÷y
n÷2 14210957.5
n÷3 9473971.6666667
n÷3 7105478.75
n÷5 5684383

Exponentiation

ny
n2 807805252267225
n3 2.2959372216493E+22
n4 6.5254932559052E+29
n5 1.8546701465241E+37

Nth Root

y√n
2√n 5331.2207795213
3√n 305.17651701047
4√n 73.01520923425
5√n 30.954989943542

Divisors of 28421915

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28421914
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28421915 can be divided by 4 positive divisors. The sum of these divisors (counting 28421915) is 1, the average is 0.25.

Base conversion 28421915

Base System Value
2 Binary 1101100011010111100011011
3 Ternary 1222110222112112
4 Quaternary 1230122330123
5 Quinary 24234000130
6 Senary 2453102535
8 Octal 154327433
10 Decimal 28421915
12 Duodecimal 9627a4b
16 Hexadecimal 1b1af1b
20 Vigesimal 8hceff
36 Base36 gx6hn

Cryptographic Hash Functions

md5 9b842676989a0e8a9f2d5359e194ff80
sha1 f37b754974908c0441556ff7a7cbe52eada524bb
sha256 f8a4ce0bdbeef71d6aee8db14f113f026b7083d627197b34006c8485beb0d783
sha512 f35a54b186b2c9a0ff2d7245420bd4def087f968134d22b4a8fc44d7817f2e90e522c2143f286493b5350229aa377faf4b7ca1ea94f04102e62727b34f62e8f9
ripemd-160 0a5a5c21aec2708f1015c51663d182556749747a

28421915 as geometric shapes

Circle

Radius = n
Diameter 56843830
Circumference 178580158.72991
Area 2.537795046054E+15

Sphere

Radius = n
Volume 9.6171993448489E+22
Surface area 1.0151180184216E+16
Circumference 178580158.72991

Square

Length = n
Perimeter 113687660
Area 807805252267225
Diagonal 40194657.661615

Cube

Length = n
Surface area 4846831513603350
Volume 2.2959372216493E+22
Space diagonal 49228200.828404

Equilateral Triangle

Length = n
Perimeter 85265745
Area 3.4978993488696E+14
Altitude 24614100.414202

Triangular Pyramid

Length = n
Surface area 3.4978993488696E+14
Volume 2.7057879643447E+21
Height 13398219.220538