28431145 (number)

28431145 is an odd 8-digits composite number following 28431144 and preceding 28431146. In scientific notation, it is written as 2.8431145 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 22744912 positive integers (up to 28431145) that are relatively prime to 28431145.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-one thousand one hundred forty-five

Notation

Scientific notation 2.8431145 × 10^7
Engineering notation 2.8431145 × 10^6

Prime Factorization of 28431145

Prime Factorization 5 × 5686229

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28431145
Product of the distinct prime numbers

The prime factorization of 28431145 is 5 × 5686229. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28431145)

Multiplication

n×y
n×2 56862290
n×3 85293435
n×4 113724580
n×5 142155725

Division

n÷y
n÷2 14215572.5
n÷3 9477048.3333333
n÷3 7107786.25
n÷5 5686229

Exponentiation

ny
n2 808330006011025
n3 2.298174760875E+22
n4 6.5339739861778E+29
n5 1.8576836182725E+37

Nth Root

y√n
2√n 5332.0863646419
3√n 305.20954873254
4√n 73.021136423928
5√n 30.957000205343

Divisors of 28431145

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28431144
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28431145 can be divided by 4 positive divisors. The sum of these divisors (counting 28431145) is 1, the average is 0.25.

Base conversion 28431145

Base System Value
2 Binary 1101100011101001100101001
3 Ternary 1222111110012101
4 Quaternary 1230131030221
5 Quinary 24234244040
6 Senary 2453213401
8 Octal 154351451
10 Decimal 28431145
12 Duodecimal 9631261
16 Hexadecimal 1b1d329
20 Vigesimal 8hdhh5
36 Base36 gxdm1

Cryptographic Hash Functions

md5 58572100df87bbdd0d9aee54abefd332
sha1 cf1b7fc0a946cd6f3a8e2e456efd0e5689aaee71
sha256 7180a68458f3b0d9f21e46aca1609f1e4d03137ed3b9befe256f4053de3072e8
sha512 2682c30c8490a96b1a211deb5181ade61a4330cc7a846b0938d84aee00a6452bff7a2eaf852851d0978e3fbae345fd748f2c8c585ba4ebf72d758e5025527628
ripemd-160 0e93226a9459f843ee02d872181e228a9906f539

28431145 as geometric shapes

Circle

Radius = n
Diameter 56862290
Circumference 178638152.53029
Area 2.5394436085604E+15

Sphere

Radius = n
Volume 9.6265719272406E+22
Surface area 1.0157774434242E+16
Circumference 178638152.53029

Square

Length = n
Perimeter 113724580
Area 808330006011025
Diagonal 40207710.852796

Cube

Length = n
Surface area 4849980036066150
Volume 2.298174760875E+22
Space diagonal 49244187.657358

Equilateral Triangle

Length = n
Perimeter 85293435
Area 3.5001715992339E+14
Altitude 24622093.828679

Triangular Pyramid

Length = n
Surface area 3.5001715992339E+14
Volume 2.7084249296108E+21
Height 13402570.284265