28931400 (number)

28931400 is an even 8-digits composite number following 28931399 and preceding 28931401. In scientific notation, it is written as 2.8931400 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors. There are 7714560 positive integers (up to 28931400) that are relatively prime to 28931400.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931400 × 10^7
Engineering notation 2.8931400 × 10^6

Prime Factorization of 28931400

Prime Factorization 2 × 2 × 2 × 45 × 5 × 16073

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7232850
Product of the distinct prime numbers

The prime factorization of 28931400 is 2 × 2 × 2 × 45 × 5 × 16073. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 6, 22, 36, 776, 998, 6568, 2179, 50157, 59870, 800394, 425959, 5425895, 2544958, 10142696, 13767678, 906007484, 544638553, 5523665286, 6832049399

Basic calculations (n = 28931400)

Multiplication

n×y
n×2 57862800
n×3 86794200
n×4 115725600
n×5 144657000

Division

n÷y
n÷2 14465700
n÷3 9643800
n÷3 7232850
n÷5 5786280

Exponentiation

ny
n2 837025905960000
n3 2.4216331295691E+22
n4 7.0061236724816E+29
n5 2.0269696641803E+37

Nth Root

y√n
2√n 5378.7916858715
3√n 306.98923735112
4√n 73.340246017255
5√n 31.065181114915

Divisors of 28931400

1, 2, 4, 5, 8, 10, 20, 40, 45, 90, 180, 225, 360, 450, 900, 1800, 16073, 32146, 64292, 80365, 128584, 160730, 321460, 642920, 723285, 1446570, 2893140, 3616425, 5786280, 7232850, 14465700, 28931400

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931399
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931400 can be divided by 32 positive divisors. The sum of these divisors (counting 28931400) is 1, the average is 0.03125.

Base conversion 28931400

Base System Value
2 Binary 1101110010111010101001000
3 Ternary 2000102212102100
4 Quaternary 1232113111020
5 Quinary 24401301100
6 Senary 2512033400
8 Octal 156272510
10 Decimal 28931400
12 Duodecimal 9832860
16 Hexadecimal 1b97548
20 Vigesimal 90g8a0
36 Base36 h83m0

Cryptographic Hash Functions

md5 bf3c80b53ae1778758884f4c06fea75f
sha1 b382a9955c1bc01d5c32e65c48990e2082ab1676
sha256 541770285e072165413b2cd921aa8fcb7ce90418d3dc5edea2c85858689eb2ec
sha512 084773408552fa57b5ad1b876f44c89054b5029153d47c2a82b4ae6c78f3be0680f68bfdb08e6554668c7f29c834b91f42071094ee906930820060349f289236
ripemd-160 44105549aae6e52b9ff5d9f6b5c87a0d466c7a04

28931400 as geometric shapes

Circle

Radius = n
Diameter 57862800
Circumference 181781347.39614
Area 2.6295944370283E+15

Sphere

Radius = n
Volume 1.0143713132725E+23
Surface area 1.0518377748113E+16
Circumference 181781347.39614

Square

Length = n
Perimeter 115725600
Area 837025905960000
Diagonal 40915178.258441

Cube

Length = n
Surface area 5022155435760000
Volume 2.4216331295691E+22
Space diagonal 50110654.734098

Equilateral Triangle

Length = n
Perimeter 86794200
Area 3.6244284909352E+14
Altitude 25055327.367049

Triangular Pyramid

Length = n
Surface area 3.6244284909352E+14
Volume 2.8539220124405E+21
Height 13638392.752814