28169871 (number)

28169871 is an odd 8-digits composite number following 28169870 and preceding 28169872. In scientific notation, it is written as 2.8169871 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 17622176 positive integers (up to 28169871) that are relatively prime to 28169871.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-nine thousand eight hundred seventy-one

Notation

Scientific notation 2.8169871 × 10^7
Engineering notation 2.8169871 × 10^6

Prime Factorization of 28169871

Prime Factorization 3 × 23 × 53 × 7703

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28169871
Product of the distinct prime numbers

The prime factorization of 28169871 is 3 × 23 × 53 × 7703. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28169871)

Multiplication

n×y
n×2 56339742
n×3 84509613
n×4 112679484
n×5 140849355

Division

n÷y
n÷2 14084935.5
n÷3 9389957
n÷3 7042467.75
n÷5 5633974.2

Exponentiation

ny
n2 793541632156641
n3 2.2353965410982E+22
n4 6.2970832196583E+29
n5 1.7738802197404E+37

Nth Root

y√n
2√n 5307.5296513538
3√n 304.27174095029
4√n 72.852794396329
5√n 30.899892721466

Divisors of 28169871

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 -28169870
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 28169871 can be divided by 16 positive divisors. The sum of these divisors (counting 28169871) is 1, the average is 0.0625.

Base conversion 28169871

Base System Value
2 Binary 1101011011101011010001111
3 Ternary 1222000011210120
4 Quaternary 1223131122033
5 Quinary 24202413441
6 Senary 2443440023
8 Octal 153353217
10 Decimal 28169871
12 Duodecimal 9526013
16 Hexadecimal 1add68f
20 Vigesimal 8g14db
36 Base36 grs0f

Cryptographic Hash Functions

md5 ffd167b93b2c6927c81db461dea4953e
sha1 9127611c994946cdf7d1dc58ca34fca3ac35a0bb
sha256 5b71b95d97b76e2fa7d5ffbe65791190b7cba32144f750570d1a2c42be9abc96
sha512 0a4f4e16215ded1a26b51a796a1473067a94305ae9492485fca0ade1705c723079921fabf7b98f189b100a6c3fea6da1396e3a95cb4c49dfb7d64a6c2457b92e
ripemd-160 ce94001249653b808c1fa9e50af0b5f6e957f849

28169871 as geometric shapes

Circle

Radius = n
Diameter 56339742
Circumference 176996519.57234
Area 2.492984561901E+15

Sphere

Radius = n
Volume 9.3636071351655E+22
Surface area 9.9719382476038E+15
Circumference 176996519.57234

Square

Length = n
Perimeter 112679484
Area 793541632156641
Diagonal 39838213.618501

Cube

Length = n
Surface area 4761249792939846
Volume 2.2353965410982E+22
Space diagonal 48791647.814661

Equilateral Triangle

Length = n
Perimeter 84509613
Area 3.4361360620411E+14
Altitude 24395823.907331

Triangular Pyramid

Length = n
Surface area 3.4361360620411E+14
Volume 2.6344400880858E+21
Height 13279404.5395