28931455 (number)

28931455 is an odd 8-digits composite number following 28931454 and preceding 28931456. In scientific notation, it is written as 2.8931455 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19838688 positive integers (up to 28931455) that are relatively prime to 28931455.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931455 × 10^7
Engineering notation 2.8931455 × 10^6

Prime Factorization of 28931455

Prime Factorization 35 × 826613

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28931455
Product of the distinct prime numbers

The prime factorization of 28931455 is 35 × 826613. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931455)

Multiplication

n×y
n×2 57862910
n×3 86794365
n×4 115725820
n×5 144657275

Division

n÷y
n÷2 14465727.5
n÷3 9643818.3333333
n÷3 7232863.75
n÷5 5786291

Exponentiation

ny
n2 837029088417025
n3 2.4216469405228E+22
n4 7.0061769485624E+29
n5 2.0269889310937E+37

Nth Root

y√n
2√n 5378.7967985415
3√n 306.98943188483
4√n 73.340280873075
5√n 31.06519292619

Divisors of 28931455

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 -28931454
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 28931455 can be divided by 4 positive divisors. The sum of these divisors (counting 28931455) is 1, the average is 0.25.

Base conversion 28931455

Base System Value
2 Binary 1101110010111010101111111
3 Ternary 2000102212111101
4 Quaternary 1232113111333
5 Quinary 24401301310
6 Senary 2512033531
8 Octal 156272577
10 Decimal 28931455
12 Duodecimal 98328a7
16 Hexadecimal 1b9757f
20 Vigesimal 90g8cf
36 Base36 h83nj

Cryptographic Hash Functions

md5 29696acf64678362025edf59734f4f09
sha1 3a534769c16aca799ebe1a12d1062b92a219622f
sha256 45f6f0b6755f356e9f937d0e2f0459cfd699cdf14866c5fdebc6bac3297fa645
sha512 be5bf6c0c88d478a63b967c533df16518d723811bf8a45b32418a2894491c4cad446e00fe708272191195745c880c0a5ffc9846be8cdbd5badcd8572525db96e
ripemd-160 1d89e485634711429722f46512a4ffdbcf1789bc

28931455 as geometric shapes

Circle

Radius = n
Diameter 57862910
Circumference 181781692.97133
Area 2.6296044350119E+15

Sphere

Radius = n
Volume 1.0143770983913E+23
Surface area 1.0518417740048E+16
Circumference 181781692.97133

Square

Length = n
Perimeter 115725820
Area 837029088417025
Diagonal 40915256.040187

Cube

Length = n
Surface area 5022174530502150
Volume 2.4216469405228E+22
Space diagonal 50110749.996893

Equilateral Triangle

Length = n
Perimeter 86794365
Area 3.6244422713784E+14
Altitude 25055374.998446

Triangular Pyramid

Length = n
Surface area 3.6244422713784E+14
Volume 2.8539382888056E+21
Height 13638418.680062