28931040 (number)

28931040 is an even 8-digits composite number following 28931039 and preceding 28931041. In scientific notation, it is written as 2.8931040 × 10^7. The sum of its digits is 27. It has a total of 9 prime factors and 96 positive divisors. There are 7464960 positive integers (up to 28931040) that are relatively prime to 28931040.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand forty

Notation

Scientific notation 2.8931040 × 10^7
Engineering notation 2.8931040 × 10^6

Prime Factorization of 28931040

Prime Factorization 2 × 2 × 2 × 2 × 2 × 45 × 3 × 37 × 181

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 1808190
Product of the distinct prime numbers

The prime factorization of 28931040 is 2 × 2 × 2 × 2 × 2 × 45 × 3 × 37 × 181. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931040)

Multiplication

n×y
n×2 57862080
n×3 86793120
n×4 115724160
n×5 144655200

Division

n÷y
n÷2 14465520
n÷3 9643680
n÷3 7232760
n÷5 5786208

Exponentiation

ny
n2 837005075481600
n3 2.4215427318961E+22
n4 7.0057749638196E+29
n5 2.0268435570926E+37

Nth Root

y√n
2√n 5378.7582210023
3√n 306.98796403351
4√n 73.340017868844
5√n 31.065103804305

Divisors of 28931040

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931039
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931040 can be divided by 96 positive divisors. The sum of these divisors (counting 28931040) is 1, the average is 0.010416666666667.

Base conversion 28931040

Base System Value
2 Binary 1101110010111001111100000
3 Ternary 2000102211221000
4 Quaternary 1232113033200
5 Quinary 24401243130
6 Senary 2512032000
8 Octal 156271740
10 Decimal 28931040
12 Duodecimal 9832600
16 Hexadecimal 1b973e0
20 Vigesimal 90g7c0
36 Base36 h83c0

Cryptographic Hash Functions

md5 5449037c0c39c4ba7a3c510a34113758
sha1 1e6406cb8986e6b5873fee46bf74d4a24d77684e
sha256 2d91393d8bae928e06ef1c8fc0fba9753fa233f05e61bee9761a235f899f15c4
sha512 87765b7fcf82eea75bebf951f78f97b093619f61c904bf054d63114ab90d1f440e7800cfb7d0edff251cad0df061764540aa48a044b2c8e5dad0a0ed6d7b1fb1
ripemd-160 32a4829e29e01bda098ec525223f739c5bc17c0f

28931040 as geometric shapes

Circle

Radius = n
Diameter 57862080
Circumference 181779085.44942
Area 2.6295289961504E+15

Sphere

Radius = n
Volume 1.0143334475838E+23
Surface area 1.0518115984601E+16
Circumference 181779085.44942

Square

Length = n
Perimeter 115724160
Area 837005075481600
Diagonal 40914669.141559

Cube

Length = n
Surface area 5022030452889600
Volume 2.4215427318961E+22
Space diagonal 50110031.195807

Equilateral Triangle

Length = n
Perimeter 86793120
Area 3.6243382923179E+14
Altitude 25055015.597904

Triangular Pyramid

Length = n
Surface area 3.6243382923179E+14
Volume 2.8538154777612E+21
Height 13638223.047186