28689091 (number)

28689091 is an odd 8-digits composite number following 28689090 and preceding 28689092. In scientific notation, it is written as 2.8689091 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 27699784 positive integers (up to 28689091) that are relatively prime to 28689091.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8689091 × 10^7
Engineering notation 2.8689091 × 10^6

Prime Factorization of 28689091

Prime Factorization 29 × 989279

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28689091
Product of the distinct prime numbers

The prime factorization of 28689091 is 29 × 989279. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28689091)

Multiplication

n×y
n×2 57378182
n×3 86067273
n×4 114756364
n×5 143445455

Division

n÷y
n÷2 14344545.5
n÷3 9563030.3333333
n÷3 7172272.75
n÷5 5737818.2

Exponentiation

ny
n2 823063942406281
n3 2.3612956342513E+22
n4 6.7743425328937E+29
n5 1.9434972939136E+37

Nth Root

y√n
2√n 5356.2198423888
3√n 306.12979172286
4√n 73.186199808358
5√n 31.012969897843

Divisors of 28689091

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 -28689090
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 28689091 can be divided by 4 positive divisors. The sum of these divisors (counting 28689091) is 1, the average is 0.25.

Base conversion 28689091

Base System Value
2 Binary 1101101011100001011000011
3 Ternary 1222222120000221
4 Quaternary 1231130023003
5 Quinary 24321022331
6 Senary 2502523511
8 Octal 155341303
10 Decimal 28689091
12 Duodecimal 9736597
16 Hexadecimal 1b5c2c3
20 Vigesimal 8j62eb
36 Base36 h2wn7

Cryptographic Hash Functions

md5 9e71b1810115995c7d827cad7325e86e
sha1 c6dd9c993dda02dbb683a34fde2bfc8efc652119
sha256 a1fb8282196e0d3caa30083300fc9806bda45ee6552ae5dbc3e2c24d4bf497ee
sha512 a24df33b7faadb97fa01973ade3a442de5587180e17504716563861da78846154cec39d0fb0e1374038612cb612c54467f2008bcccb5635934ee7f5c1870f256
ripemd-160 1682b34a29bef1f2656c90a415c76dcbd143b9ff

28689091 as geometric shapes

Circle

Radius = n
Diameter 57378182
Circumference 180258875.04754
Area 2.5857316348982E+15

Sphere

Radius = n
Volume 9.8909720233565E+22
Surface area 1.0342926539593E+16
Circumference 180258875.04754

Square

Length = n
Perimeter 114756364
Area 823063942406281
Diagonal 40572501.584356

Cube

Length = n
Surface area 4938383654437686
Volume 2.3612956342513E+22
Space diagonal 49690963.234967

Equilateral Triangle

Length = n
Perimeter 86067273
Area 3.5639714153141E+14
Altitude 24845481.617484

Triangular Pyramid

Length = n
Surface area 3.5639714153141E+14
Volume 2.7828135922754E+21
Height 13524167.194785