28676989 (number)

28676989 is an odd 8-digits composite number following 28676988 and preceding 28676990. In scientific notation, it is written as 2.8676989 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 26069980 positive integers (up to 28676989) that are relatively prime to 28676989.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.8676989 × 10^7
Engineering notation 2.8676989 × 10^6

Prime Factorization of 28676989

Prime Factorization 11 × 2606999

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28676989
Product of the distinct prime numbers

The prime factorization of 28676989 is 11 × 2606999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28676989)

Multiplication

n×y
n×2 57353978
n×3 86030967
n×4 114707956
n×5 143384945

Division

n÷y
n÷2 14338494.5
n÷3 9558996.3333333
n÷3 7169247.25
n÷5 5735397.8

Exponentiation

ny
n2 822369698106121
n3 2.3583086786523E+22
n4 6.7629192036315E+29
n5 1.9394015961043E+37

Nth Root

y√n
2√n 5355.0900085806
3√n 306.08674047161
4√n 73.178480501993
5√n 31.010352998573

Divisors of 28676989

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 -28676988
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 28676989 can be divided by 4 positive divisors. The sum of these divisors (counting 28676989) is 1, the average is 0.25.

Base conversion 28676989

Base System Value
2 Binary 1101101011001001101111101
3 Ternary 1222221221102201
4 Quaternary 1231121031331
5 Quinary 24320130424
6 Senary 2502351501
8 Octal 155311575
10 Decimal 28676989
12 Duodecimal 972b591
16 Hexadecimal 1b5937d
20 Vigesimal 8j4c99
36 Base36 h2nb1

Cryptographic Hash Functions

md5 beab5da4930fe2c024ad34855837a996
sha1 8615582cf1cc17359070c972ac62871846e47938
sha256 a7dfb236936b317b1ee14698f1c803a1b6809e85e3c6632c10620233c4e05b25
sha512 27fe947699d483f484e2e4d949625b8e583f407470d0d8512ab6d7260adaf3634f888ae3dd71cfb0ea537531820dd1a82fd7f5a7fe97580c79ca7fa7f01d18cf
ripemd-160 d17e970926a8a30caf9dff73f09a00562090b623

28676989 as geometric shapes

Circle

Radius = n
Diameter 57353978
Circumference 180182835.93895
Area 2.583550602105E+15

Sphere

Radius = n
Volume 9.8784602930013E+22
Surface area 1.033420240842E+16
Circumference 180182835.93895

Square

Length = n
Perimeter 114707956
Area 822369698106121
Diagonal 40555386.771824

Cube

Length = n
Surface area 4934218188636726
Volume 2.3583086786523E+22
Space diagonal 49670001.956094

Equilateral Triangle

Length = n
Perimeter 86030967
Area 3.5609652493122E+14
Altitude 24835000.978047

Triangular Pyramid

Length = n
Surface area 3.5609652493122E+14
Volume 2.7792934313435E+21
Height 13518462.257275