28508725 (number)

28508725 is an odd 8-digits composite number following 28508724 and preceding 28508726. In scientific notation, it is written as 2.8508725 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 19548720 positive integers (up to 28508725) that are relatively prime to 28508725.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred eight thousand seven hundred twenty-five

Notation

Scientific notation 2.8508725 × 10^7
Engineering notation 2.8508725 × 10^6

Prime Factorization of 28508725

Prime Factorization 35 × 5 × 162907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28508725
Product of the distinct prime numbers

The prime factorization of 28508725 is 35 × 5 × 162907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28508725)

Multiplication

n×y
n×2 57017450
n×3 85526175
n×4 114034900
n×5 142543625

Division

n÷y
n÷2 14254362.5
n÷3 9502908.3333333
n÷3 7127181.25
n÷5 5701745

Exponentiation

ny
n2 812747401125625
n3 2.3170392153155E+22
n4 6.6055833803646E+29
n5 1.8831676005538E+37

Nth Root

y√n
2√n 5339.3562346036
3√n 305.48690480967
4√n 73.070898684795
5√n 30.973876254585

Divisors of 28508725

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28508724
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28508725 can be divided by 8 positive divisors. The sum of these divisors (counting 28508725) is 1, the average is 0.125.

Base conversion 28508725

Base System Value
2 Binary 1101100110000001000110101
3 Ternary 1222122101121201
4 Quaternary 1230300020311
5 Quinary 24244234400
6 Senary 2455012501
8 Octal 154601065
10 Decimal 28508725
12 Duodecimal 966a131
16 Hexadecimal 1b30235
20 Vigesimal 8i3bg5
36 Base36 gz1h1

Cryptographic Hash Functions

md5 819d452ad2cb6e53bdb7344d49087722
sha1 f8e89371e3b65e3c212f370af891023234ca5e46
sha256 fce14519486edbff19d0fe6984797bf66c72a8114d12fe6732ce760e2d3da62f
sha512 4c200c391c0ff5a927de612a05f0a4965f553725aea14577e844b67b18db16b0ab9485bedc8d448e5d1b429f4af65976fce6ff99f07be731975f520ff3e5d93f
ripemd-160 b5d1341a3b9066f57e4e5c6dc9eb3a69e21b1948

28508725 as geometric shapes

Circle

Radius = n
Diameter 57017450
Circumference 179125602.04642
Area 2.5533212646005E+15

Sphere

Radius = n
Volume 9.7055911692196E+22
Surface area 1.0213285058402E+16
Circumference 179125602.04642

Square

Length = n
Perimeter 114034900
Area 812747401125625
Diagonal 40317425.540965

Cube

Length = n
Surface area 4876484406753750
Volume 2.3170392153155E+22
Space diagonal 49378560.159009

Equilateral Triangle

Length = n
Perimeter 85526175
Area 3.5192994811729E+14
Altitude 24689280.079505

Triangular Pyramid

Length = n
Surface area 3.5192994811729E+14
Volume 2.7306569023746E+21
Height 13439141.846988