28931020 (number)

28931020 is an even 8-digits composite number following 28931019 and preceding 28931021. In scientific notation, it is written as 2.8931020 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 11572400 positive integers (up to 28931020) that are relatively prime to 28931020.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931020 × 10^7
Engineering notation 2.8931020 × 10^6

Prime Factorization of 28931020

Prime Factorization 2 × 2 × 5 × 1446551

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14465510
Product of the distinct prime numbers

The prime factorization of 28931020 is 2 × 2 × 5 × 1446551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 73, 4, 970, 318, 8716, 3689, 36204, 41380, 24085, 416727, 4236691, 6143315, 6512494, 82615305, 623316218, 866835055, 6953957434, 7931114030

Basic calculations (n = 28931020)

Multiplication

n×y
n×2 57862040
n×3 86793060
n×4 115724080
n×5 144655100

Division

n÷y
n÷2 14465510
n÷3 9643673.3333333
n÷3 7232755
n÷5 5786204

Exponentiation

ny
n2 837003918240400
n3 2.4215377098691E+22
n4 7.0057555914978E+29
n5 2.0268365513274E+37

Nth Root

y√n
2√n 5378.7563618368
3√n 306.98789329333
4√n 73.34000519387
5√n 31.065099509249

Divisors of 28931020

1, 2, 4, 5, 10, 20, 1446551, 2893102, 5786204, 7232755, 14465510, 28931020

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931020 can be divided by 12 positive divisors. The sum of these divisors (counting 28931020) is 1, the average is 0.083333333333333.

Base conversion 28931020

Base System Value
2 Binary 1101110010111001111001100
3 Ternary 2000102211220021
4 Quaternary 1232113033030
5 Quinary 24401243040
6 Senary 2512031524
8 Octal 156271714
10 Decimal 28931020
12 Duodecimal 98325a4
16 Hexadecimal 1b973cc
20 Vigesimal 90g7b0
36 Base36 h83bg

Cryptographic Hash Functions

md5 eabf1c95e6a92643fa3536c448b995a6
sha1 f725e0ee2b9006a920fb569484c8752ad35ec2c7
sha256 999e817e8760eb3c6e7ea42f9550a9183c65ececb3f6cf9ca681801fdc805c52
sha512 1fdc4be8d59baa3b160ffca7382a8e5bfa8b9f7a12b8eb299eb34c981f65d6afcd1d2dc3e5f0803742e47932543eba6e8860b2e9b61ee0cbb9e1624e084fedae
ripemd-160 6b0725be807574fbfdb36a889048e317b6eba5ce

28931020 as geometric shapes

Circle

Radius = n
Diameter 57862040
Circumference 181778959.78572
Area 2.6295253605699E+15

Sphere

Radius = n
Volume 1.0143313439621E+23
Surface area 1.051810144228E+16
Circumference 181778959.78572

Square

Length = n
Perimeter 115724080
Area 837003918240400
Diagonal 40914640.857287

Cube

Length = n
Surface area 5022023509442400
Volume 2.4215377098691E+22
Space diagonal 50109996.554791

Equilateral Triangle

Length = n
Perimeter 86793060
Area 3.6243332813165E+14
Altitude 25054998.277396

Triangular Pyramid

Length = n
Surface area 3.6243332813165E+14
Volume 2.8538095592457E+21
Height 13638213.619096