28121572 (number)

28121572 is an even 8-digits composite number following 28121571 and preceding 28121573. In scientific notation, it is written as 2.8121572 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 13717760 positive integers (up to 28121572) that are relatively prime to 28121572.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred twenty-one thousand five hundred seventy-two

Notation

Scientific notation 2.8121572 × 10^7
Engineering notation 2.8121572 × 10^6

Prime Factorization of 28121572

Prime Factorization 2 × 2 × 41 × 171473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14060786
Product of the distinct prime numbers

The prime factorization of 28121572 is 2 × 2 × 41 × 171473. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 25, 72, 594, 151, 4695, 6857, 9184, 36995, 816577, 383217, 3282546, 699304, 13780278, 15916019, 13932294, 793872206, 8547291954, 3307974122

Basic calculations (n = 28121572)

Multiplication

n×y
n×2 56243144
n×3 84364716
n×4 112486288
n×5 140607860

Division

n÷y
n÷2 14060786
n÷3 9373857.3333333
n÷3 7030393
n÷5 5624314.4

Exponentiation

ny
n2 790822811751184
n3 2.2239180639903E+22
n4 6.2540071958605E+29
n5 1.7587251364691E+37

Nth Root

y√n
2√n 5302.9776541109
3√n 304.09774384647
4√n 72.821546633609
5√n 30.889289488522

Divisors of 28121572

1, 2, 4, 41, 82, 164, 171473, 342946, 685892, 7030393, 14060786, 28121572

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28121571
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28121572 can be divided by 12 positive divisors. The sum of these divisors (counting 28121572) is 1, the average is 0.083333333333333.

Base conversion 28121572

Base System Value
2 Binary 1101011010001100111100100
3 Ternary 1221220201112201
4 Quaternary 1223101213210
5 Quinary 24144342242
6 Senary 2442424244
8 Octal 153214744
10 Decimal 28121572
12 Duodecimal 9502084
16 Hexadecimal 1ad19e4
20 Vigesimal 8ff3ic
36 Base36 gqqqs

Cryptographic Hash Functions

md5 7a3494a4e0e30665922cd4ce72dc2a39
sha1 2fc82a48ee0076ba85d6ede69e4efe9d17ec21c3
sha256 382ecadd634b37946a8d9e44fef5c7ff183245ac3e60c98d0e28c385e16a94a4
sha512 2b41379e29918b70899792d95ae08e916df0a33a77993d20e2ef7c96245fe97dda6554fac03ef03f72604487ab301c61c7be574b09dda62cc8584234853bd9de
ripemd-160 0b55b411cf773b09afab076588488b3dc7038825

28121572 as geometric shapes

Circle

Radius = n
Diameter 56243144
Circumference 176693048.00519
Area 2.4844431356887E+15

Sphere

Radius = n
Volume 9.3155262026902E+22
Surface area 9.937772542755E+15
Circumference 176693048.00519

Square

Length = n
Perimeter 112486288
Area 790822811751184
Diagonal 39769908.517651

Cube

Length = n
Surface area 4744936870507104
Volume 2.2239180639903E+22
Space diagonal 48707991.492706

Equilateral Triangle

Length = n
Perimeter 84364716
Area 3.4243632243438E+14
Altitude 24353995.746353

Triangular Pyramid

Length = n
Surface area 3.4243632243438E+14
Volume 2.6209125730847E+21
Height 13256636.17255