28152081 (number)

28152081 is an odd 8-digits composite number following 28152080 and preceding 28152082. In scientific notation, it is written as 2.8152081 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 18768048 positive integers (up to 28152081) that are relatively prime to 28152081.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred fifty-two thousand eighty-one

Notation

Scientific notation 2.8152081 × 10^7
Engineering notation 2.8152081 × 10^6

Prime Factorization of 28152081

Prime Factorization 3 × 3 × 3128009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9384027
Product of the distinct prime numbers

The prime factorization of 28152081 is 3 × 3 × 3128009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28152081)

Multiplication

n×y
n×2 56304162
n×3 84456243
n×4 112608324
n×5 140760405

Division

n÷y
n÷2 14076040.5
n÷3 9384027
n÷3 7038020.25
n÷5 5630416.2

Exponentiation

ny
n2 792539664630561
n3 2.2311640834392E+22
n4 6.2811912001272E+29
n5 1.7682860344247E+37

Nth Root

y√n
2√n 5305.8534657489
3√n 304.20767564504
4√n 72.841289566762
5√n 30.895988919377

Divisors of 28152081

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28152080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28152081 can be divided by 6 positive divisors. The sum of these divisors (counting 28152081) is 1, the average is 0.16666666666667.

Base conversion 28152081

Base System Value
2 Binary 1101011011001000100010001
3 Ternary 1221222021101200
4 Quaternary 1223121010101
5 Quinary 24201331311
6 Senary 2443221413
8 Octal 153310421
10 Decimal 28152081
12 Duodecimal 9517869
16 Hexadecimal 1ad9111
20 Vigesimal 8fj041
36 Base36 grea9

Cryptographic Hash Functions

md5 b89ac8a606168903f30dd427872dd0f5
sha1 dafd60e6dd2620dd757924009d1cc44edc5ff9c2
sha256 21f555b3e972b5a129a5788fdce1051099055e524a7b18800d0df771b73dbdf9
sha512 d50c6b75b8de1aad8b84a4918f80d95eefb1f3464c82062582f2d64d05defc372233f122a14018799a34cd0e997e409cd418aaa68a68cb0743b0ebbbd83cbc38
ripemd-160 5a96d54e8d5203fa36b4a757b6ed1f7106c81721

28152081 as geometric shapes

Circle

Radius = n
Diameter 56304162
Circumference 176884741.70573
Area 2.4898367880819E+15

Sphere

Radius = n
Volume 9.3458782579815E+22
Surface area 9.9593471523276E+15
Circumference 176884741.70573

Square

Length = n
Perimeter 112608324
Area 792539664630561
Diagonal 39813054.759226

Cube

Length = n
Surface area 4755237987783366
Volume 2.2311640834392E+22
Space diagonal 48760834.630794

Equilateral Triangle

Length = n
Perimeter 84456243
Area 3.4317974153843E+14
Altitude 24380417.315397

Triangular Pyramid

Length = n
Surface area 3.4317974153843E+14
Volume 2.6294520888996E+21
Height 13271018.253075