28676987 (number)

28676987 is an odd 8-digits composite number following 28676986 and preceding 28676988. In scientific notation, it is written as 2.8676987 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 28484376 positive integers (up to 28676987) that are relatively prime to 28676987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8676987 × 10^7
Engineering notation 2.8676987 × 10^6

Prime Factorization of 28676987

Prime Factorization 149 × 192463

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28676987
Product of the distinct prime numbers

The prime factorization of 28676987 is 149 × 192463. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28676987)

Multiplication

n×y
n×2 57353974
n×3 86030961
n×4 114707948
n×5 143384935

Division

n÷y
n÷2 14338493.5
n÷3 9558995.6666667
n÷3 7169246.75
n÷5 5735397.4

Exponentiation

ny
n2 822369583398169
n3 2.3583081852305E+22
n4 6.7629173169848E+29
n5 1.9394009198125E+37

Nth Root

y√n
2√n 5355.0898218424
3√n 306.08673335587
4√n 73.178479226084
5√n 31.010352566026

Divisors of 28676987

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 -28676986
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 28676987 can be divided by 4 positive divisors. The sum of these divisors (counting 28676987) is 1, the average is 0.25.

Base conversion 28676987

Base System Value
2 Binary 1101101011001001101111011
3 Ternary 1222221221102122
4 Quaternary 1231121031323
5 Quinary 24320130422
6 Senary 2502351455
8 Octal 155311573
10 Decimal 28676987
12 Duodecimal 972b58b
16 Hexadecimal 1b5937b
20 Vigesimal 8j4c97
36 Base36 h2naz

Cryptographic Hash Functions

md5 3b5fbed70269b2c404500b4b63092223
sha1 010de7ef7033779301e5db7668d9942d126fb407
sha256 851be727c5af6c9baa0bcf83944cf82c502c647a512bf30931a29957a2f568e2
sha512 93f8bf21d1304fac7449c296fe703c28e5662678acf348ddcf9eaf72f36c8836d5007dfd182ae21c7f097777ac37591394e0faf1a6dc9ea9de76abcb86143b1b
ripemd-160 20e9c12900d0f2e20afd904b03399e865799e2fb

28676987 as geometric shapes

Circle

Radius = n
Diameter 57353974
Circumference 180182823.37258
Area 2.5835502417394E+15

Sphere

Radius = n
Volume 9.878458226161E+22
Surface area 1.0334200966958E+16
Circumference 180182823.37258

Square

Length = n
Perimeter 114707948
Area 822369583398169
Diagonal 40555383.943397

Cube

Length = n
Surface area 4934217500389014
Volume 2.3583081852305E+22
Space diagonal 49669998.491992

Equilateral Triangle

Length = n
Perimeter 86030961
Area 3.5609647526122E+14
Altitude 24834999.245996

Triangular Pyramid

Length = n
Surface area 3.5609647526122E+14
Volume 2.7792928498403E+21
Height 13518461.314466