28990806 (number)

28990806 is an even 8-digits composite number following 28990805 and preceding 28990807. In scientific notation, it is written as 2.8990806 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 8889504 positive integers (up to 28990806) that are relatively prime to 28990806.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety thousand eight hundred six

Notation

Scientific notation 2.8990806 × 10^7
Engineering notation 2.8990806 × 10^6

Prime Factorization of 28990806

Prime Factorization 2 × 39 × 443 × 839

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28990806
Product of the distinct prime numbers

The prime factorization of 28990806 is 2 × 39 × 443 × 839. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28990806)

Multiplication

n×y
n×2 57981612
n×3 86972418
n×4 115963224
n×5 144954030

Division

n÷y
n÷2 14495403
n÷3 9663602
n÷3 7247701.5
n÷5 5798161.2

Exponentiation

ny
n2 840466832529636
n3 2.4365810891301E+22
n4 7.063844965824E+29
n5 2.0478655901828E+37

Nth Root

y√n
2√n 5384.3110979957
3√n 307.19921145767
4√n 73.377865177421
5√n 31.077928125242

Divisors of 28990806

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 -28990805
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 28990806 can be divided by 16 positive divisors. The sum of these divisors (counting 28990806) is 1, the average is 0.0625.

Base conversion 28990806

Base System Value
2 Binary 1101110100101110101010110
3 Ternary 2000112212220120
4 Quaternary 1232211311112
5 Quinary 24410201211
6 Senary 2513212410
8 Octal 156456526
10 Decimal 28990806
12 Duodecimal 9861106
16 Hexadecimal 1ba5d56
20 Vigesimal 913h06
36 Base36 h9dg6

Cryptographic Hash Functions

md5 21cc9d9ac5c207ad38d9bd344fa818cd
sha1 98e47c3932504bab56af650cd9125655ca2a42ec
sha256 2c104ff567561bf2d816b77c3b8c79f9806db62f4e3f14d842aebbfe0213e6fc
sha512 92f8c2c25d501eb076b3bba79bffe899e04a4249b2e49467b2921fa6ad481061056b17bdcf4cd35d625e9785eb079e7f793ae141a85e55ee47d1ce1e48c4cfc8
ripemd-160 0ea5ff31cdddc0a703136211a8b7c2d7ab6518ad

28990806 as geometric shapes

Circle

Radius = n
Diameter 57981612
Circumference 182154606.30249
Area 2.640404426661E+15

Sphere

Radius = n
Volume 1.0206326999316E+23
Surface area 1.0561617706644E+16
Circumference 182154606.30249

Square

Length = n
Perimeter 115963224
Area 840466832529636
Diagonal 40999191.029327

Cube

Length = n
Surface area 5042800995177816
Volume 2.4365810891301E+22
Space diagonal 50213548.944373

Equilateral Triangle

Length = n
Perimeter 86972418
Area 3.6393281400445E+14
Altitude 25106774.472186

Triangular Pyramid

Length = n
Surface area 3.6393281400445E+14
Volume 2.8715383517247E+21
Height 13666397.009776