28281057 (number)

28281057 is an odd 8-digits composite number following 28281056 and preceding 28281058. In scientific notation, it is written as 2.8281057 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 15784272 positive integers (up to 28281057) that are relatively prime to 28281057.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8281057 × 10^7
Engineering notation 2.8281057 × 10^6

Prime Factorization of 28281057

Prime Factorization 3 × 7 × 43 × 31319

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28281057
Product of the distinct prime numbers

The prime factorization of 28281057 is 3 × 7 × 43 × 31319. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28281057)

Multiplication

n×y
n×2 56562114
n×3 84843171
n×4 113124228
n×5 141405285

Division

n÷y
n÷2 14140528.5
n÷3 9427019
n÷3 7070264.25
n÷5 5656211.4

Exponentiation

ny
n2 799818185037249
n3 2.2619703680675E+22
n4 6.3970912911628E+29
n5 1.8091650343958E+37

Nth Root

y√n
2√n 5317.9937006356
3√n 304.67153387474
4√n 72.924575423074
5√n 30.924246571893

Divisors of 28281057

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 -28281056
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 28281057 can be divided by 16 positive divisors. The sum of these divisors (counting 28281057) is 1, the average is 0.0625.

Base conversion 28281057

Base System Value
2 Binary 1101011111000100011100001
3 Ternary 1222012211022120
4 Quaternary 1223320203201
5 Quinary 24214443212
6 Senary 2450054453
8 Octal 153704341
10 Decimal 28281057
12 Duodecimal 957a429
16 Hexadecimal 1af88e1
20 Vigesimal 8gf2ch
36 Base36 gu5sx

Cryptographic Hash Functions

md5 32984a196baea83302771c16f65bc457
sha1 fbe77bdf9bf046233e32ee78ccfaea892f70b52b
sha256 7ce0935b3821c9feaa4d980a0205d972356503a320999f179cb543f807d8cfeb
sha512 8d21ee38cb35bf1268c11a2dc41663b7fb79159fae64bd25b689688f589525ef5cbc979ccff2a41392dfda212c770b7af46eaa9c6ea28d1ae0e1d1045f8719a0
ripemd-160 aaf5e5e726b978685b8c88742da1cc08bdded665

28281057 as geometric shapes

Circle

Radius = n
Diameter 56562114
Circumference 177695121.81391
Area 2.5127029343205E+15

Sphere

Radius = n
Volume 9.4749193212782E+22
Surface area 1.0050811737282E+16
Circumference 177695121.81391

Square

Length = n
Perimeter 113124228
Area 799818185037249
Diagonal 39995454.367647

Cube

Length = n
Surface area 4798909110223494
Volume 2.2619703680675E+22
Space diagonal 48984227.615751

Equilateral Triangle

Length = n
Perimeter 84843171
Area 3.4633143332551E+14
Altitude 24492113.807876

Triangular Pyramid

Length = n
Surface area 3.4633143332551E+14
Volume 2.6657576435059E+21
Height 13331818.122549