28490915 (number)

28490915 is an odd 8-digits composite number following 28490914 and preceding 28490916. In scientific notation, it is written as 2.8490915 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 22792728 positive integers (up to 28490915) that are relatively prime to 28490915.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8490915 × 10^7
Engineering notation 2.8490915 × 10^6

Prime Factorization of 28490915

Prime Factorization 5 × 5698183

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28490915
Product of the distinct prime numbers

The prime factorization of 28490915 is 5 × 5698183. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28490915)

Multiplication

n×y
n×2 56981830
n×3 85472745
n×4 113963660
n×5 142454575

Division

n÷y
n÷2 14245457.5
n÷3 9496971.6666667
n÷3 7122728.75
n÷5 5698183

Exponentiation

ny
n2 811732237537225
n3 2.3126994182433E+22
n4 6.5890922545719E+29
n5 1.8772926735217E+37

Nth Root

y√n
2√n 5337.6881699852
3√n 305.42327686014
4√n 73.059483778529
5√n 30.970005280788

Divisors of 28490915

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 -28490914
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 28490915 can be divided by 4 positive divisors. The sum of these divisors (counting 28490915) is 1, the average is 0.25.

Base conversion 28490915

Base System Value
2 Binary 1101100101011110010100011
3 Ternary 1222121111012002
4 Quaternary 1230223302203
5 Quinary 24243202130
6 Senary 2454354215
8 Octal 154536243
10 Decimal 28490915
12 Duodecimal 965b96b
16 Hexadecimal 1b2bca3
20 Vigesimal 8i175f
36 Base36 gynqb

Cryptographic Hash Functions

md5 1823f3010361da7119924af7af25966c
sha1 74e999789d70d229dd5ec5630a7d1b951fde38ee
sha256 d4c39e7ad3c5b5f281f01222e951b37e20d802677e9e5364e81d6e1effa8eb00
sha512 d10211caf5f776867a7bb63b75d6117a58f46d47d010260d3b71b2c67a56d7e90776befc624c40a6ecf15c0e85e739b12931bb5ab6c398e85f1fb8ee9b47eb69
ripemd-160 27092c710f263dc8cd191da73a176b6e47d5f855

28490915 as geometric shapes

Circle

Radius = n
Diameter 56981830
Circumference 179013698.5161
Area 2.550132034129E+15

Sphere

Radius = n
Volume 9.6874126697527E+22
Surface area 1.0200528136516E+16
Circumference 179013698.5161

Square

Length = n
Perimeter 113963660
Area 811732237537225
Diagonal 40292238.397419

Cube

Length = n
Surface area 4870393425223350
Volume 2.3126994182433E+22
Space diagonal 49347712.334126

Equilateral Triangle

Length = n
Perimeter 85472745
Area 3.5149036938901E+14
Altitude 24673856.167063

Triangular Pyramid

Length = n
Surface area 3.5149036938901E+14
Volume 2.7255424024767E+21
Height 13430746.132473