28239743 (number)

28239743 is an odd 8-digits composite number following 28239742 and preceding 28239744. In scientific notation, it is written as 2.8239743 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 24205488 positive integers (up to 28239743) that are relatively prime to 28239743.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-nine thousand seven hundred forty-three

Notation

Scientific notation 2.8239743 × 10^7
Engineering notation 2.8239743 × 10^6

Prime Factorization of 28239743

Prime Factorization 7 × 4034249

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28239743
Product of the distinct prime numbers

The prime factorization of 28239743 is 7 × 4034249. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28239743)

Multiplication

n×y
n×2 56479486
n×3 84719229
n×4 112958972
n×5 141198715

Division

n÷y
n÷2 14119871.5
n÷3 9413247.6666667
n÷3 7059935.75
n÷5 5647948.6

Exponentiation

ny
n2 797483084706049
n3 2.2520717358946E+22
n4 6.3597927039228E+29
n5 1.7959891149205E+37

Nth Root

y√n
2√n 5314.1079213731
3√n 304.52310314235
4√n 72.897928100688
5√n 30.915206234212

Divisors of 28239743

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 -28239742
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 28239743 can be divided by 4 positive divisors. The sum of these divisors (counting 28239743) is 1, the average is 0.25.

Base conversion 28239743

Base System Value
2 Binary 1101011101110011101111111
3 Ternary 1222010201122102
4 Quaternary 1223232131333
5 Quinary 24212132433
6 Senary 2445135315
8 Octal 153563577
10 Decimal 28239743
12 Duodecimal 955a53b
16 Hexadecimal 1aee77f
20 Vigesimal 8g9j73
36 Base36 gt9xb

Cryptographic Hash Functions

md5 f461b2a67cf60aff5aa5d214cb96278a
sha1 355708194b53e7e6350c8dca51c74d095fcfcba5
sha256 56ae76d74f4150b46de0cfb487427838305dc75bcbbeb450c6bcd8196f319604
sha512 551c41bca0dd9869b52bd07eaa190f24e292c1f15bc19028ca95a96f8ab75214d6b28cc24db03e913c13f8909145a10da209a78ad5caa42066a756e9642d555c
ripemd-160 eed19df325849bc2ef601d156fe7f7fd9d5de938

28239743 as geometric shapes

Circle

Radius = n
Diameter 56479486
Circumference 177435538.29613
Area 2.5053670002746E+15

Sphere

Radius = n
Volume 9.4334560277916E+22
Surface area 1.0021468001099E+16
Circumference 177435538.29613

Square

Length = n
Perimeter 112958972
Area 797483084706049
Diagonal 39937027.548531

Cube

Length = n
Surface area 4784898508236294
Volume 2.2520717358946E+22
Space diagonal 48912669.668688

Equilateral Triangle

Length = n
Perimeter 84719229
Area 3.4532030522191E+14
Altitude 24456334.834344

Triangular Pyramid

Length = n
Surface area 3.4532030522191E+14
Volume 2.6540919936161E+21
Height 13312342.516177