28990431 (number)

28990431 is an odd 8-digits composite number following 28990430 and preceding 28990432. In scientific notation, it is written as 2.8990431 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 18841680 positive integers (up to 28990431) that are relatively prime to 28990431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8990431 × 10^7
Engineering notation 2.8990431 × 10^6

Prime Factorization of 28990431

Prime Factorization 9 × 367 × 67 × 131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28990431
Product of the distinct prime numbers

The prime factorization of 28990431 is 9 × 367 × 67 × 131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 18, 67, 267, 976, 9901, 7936, 71406, 30344, 348433, 225743, 269422, 2868399, 14071884, 29375525, 762214052, 455350479, 9172904527, 5057463943

Basic calculations (n = 28990431)

Multiplication

n×y
n×2 57980862
n×3 86971293
n×4 115961724
n×5 144952155

Division

n÷y
n÷2 14495215.5
n÷3 9663477
n÷3 7247607.75
n÷5 5798086.2

Exponentiation

ny
n2 840445089565761
n3 2.4364865378345E+22
n4 7.063479485752E+29
n5 2.0477331465161E+37

Nth Root

y√n
2√n 5384.2762744867
3√n 307.19788689749
4√n 73.377627888115
5√n 31.077847725384

Divisors of 28990431

1, 9, 67, 131, 367, 603, 1179, 3303, 8777, 24589, 48077, 78993, 221301, 432693, 3221159, 28990431

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28990430
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28990431 can be divided by 16 positive divisors. The sum of these divisors (counting 28990431) is 1, the average is 0.0625.

Base conversion 28990431

Base System Value
2 Binary 1101110100101101111011111
3 Ternary 2000112212101200
4 Quaternary 1232211233133
5 Quinary 24410143211
6 Senary 2513210543
8 Octal 156455737
10 Decimal 28990431
12 Duodecimal 9860a53
16 Hexadecimal 1ba5bdf
20 Vigesimal 913g1b
36 Base36 h9d5r

Cryptographic Hash Functions

md5 9e5f2b7a8bfa72cfd53e6a89e891d570
sha1 ff8f5294e36e69c189d56fcc4ddbc61452899e85
sha256 cfd50a932c642decebe89683a8e61cc4eb4c26760a9e576646d931d15956579d
sha512 6c2184c6c562ab7221cc3c7810cd92424498dc1c6faa5012b1d19d3ec78cb1836ab36d25520fd28f43b49a7a11e30362b07a5eae09fb681422be1aa7f0bcd5fc
ripemd-160 8cdb36f70f28124dc09c2ce313e3cde8ba5c5aeb

28990431 as geometric shapes

Circle

Radius = n
Diameter 57980862
Circumference 182152250.108
Area 2.6403361191254E+15

Sphere

Radius = n
Volume 1.0205930943775E+23
Surface area 1.0561344476502E+16
Circumference 182152250.108

Square

Length = n
Perimeter 115961724
Area 840445089565761
Diagonal 40998660.699241

Cube

Length = n
Surface area 5042670537394566
Volume 2.4364865378345E+22
Space diagonal 50212899.42532

Equilateral Triangle

Length = n
Perimeter 86971293
Area 3.6392339902492E+14
Altitude 25106449.71266

Triangular Pyramid

Length = n
Surface area 3.6392339902492E+14
Volume 2.8714269219542E+21
Height 13666220.23308