28394872 (number)

28394872 is an even 8-digits composite number following 28394871 and preceding 28394873. In scientific notation, it is written as 2.8394872 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors. There are 12906720 positive integers (up to 28394872) that are relatively prime to 28394872.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-four thousand eight hundred seventy-two

Notation

Scientific notation 2.8394872 × 10^7
Engineering notation 2.8394872 × 10^6

Prime Factorization of 28394872

Prime Factorization 2 × 2 × 2 × 11 × 322669

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7098718
Product of the distinct prime numbers

The prime factorization of 28394872 is 2 × 2 × 2 × 11 × 322669. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 3, 33, 9, 162, 114, 285, 849, 32424, 5311, 690766, 301069, 5144158, 3716277, 33167656, 1966069, 239674446, 984840135, 8426244520, 7256335593

Basic calculations (n = 28394872)

Multiplication

n×y
n×2 56789744
n×3 85184616
n×4 113579488
n×5 141974360

Division

n÷y
n÷2 14197436
n÷3 9464957.3333333
n÷3 7098718
n÷5 5678974.4

Exponentiation

ny
n2 806268755896384
n3 2.2893898121277E+22
n4 6.500693067347E+29
n5 1.8458634755861E+37

Nth Root

y√n
2√n 5328.6838900426
3√n 305.07969609568
4√n 72.997834831196
5√n 30.94909706422

Divisors of 28394872

1, 2, 4, 8, 11, 22, 44, 88, 322669, 645338, 1290676, 2581352, 3549359, 7098718, 14197436, 28394872

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 -28394871
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 28394872 can be divided by 16 positive divisors. The sum of these divisors (counting 28394872) is 1, the average is 0.0625.

Base conversion 28394872

Base System Value
2 Binary 1101100010100010101111000
3 Ternary 1222102121102221
4 Quaternary 1230110111320
5 Quinary 24232113442
6 Senary 2452333424
8 Octal 154242570
10 Decimal 28394872
12 Duodecimal 9614274
16 Hexadecimal 1b14578
20 Vigesimal 8h973c
36 Base36 gwlmg

Cryptographic Hash Functions

md5 0f2ba6745b69a68bbb602d02acf7dc62
sha1 86c8cb2eb6067b29bf918c445ec4ea5130bcf412
sha256 525c19032231a6bcf4163fc04e7c5a70969219df0dfc601edfc0d32791f47783
sha512 d307519ccef2c17bf371072fff5ef0ab7074259d30fb293d59a915f52c039fde31405256116cdb00159b57c35128ac61b21f313ade5915ef80c63b80800a5452
ripemd-160 28bec3427eb645e8a3790da863a59115d5af8660

28394872 as geometric shapes

Circle

Radius = n
Diameter 56789744
Circumference 178410242.54965
Area 2.5329680003431E+15

Sphere

Radius = n
Volume 9.5897736199783E+22
Surface area 1.0131872001372E+16
Circumference 178410242.54965

Square

Length = n
Perimeter 113579488
Area 806268755896384
Diagonal 40156413.084248

Cube

Length = n
Surface area 4837612535378304
Volume 2.2893898121277E+22
Space diagonal 49181360.978415

Equilateral Triangle

Length = n
Perimeter 85184616
Area 3.4912461244197E+14
Altitude 24590680.489207

Triangular Pyramid

Length = n
Surface area 3.4912461244197E+14
Volume 2.6980717682248E+21
Height 13385471.028083