28238743 (number)

28238743 is an odd 8-digits composite number following 28238742 and preceding 28238744. In scientific notation, it is written as 2.8238743 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 26066520 positive integers (up to 28238743) that are relatively prime to 28238743.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8238743 × 10^7
Engineering notation 2.8238743 × 10^6

Prime Factorization of 28238743

Prime Factorization 13 × 2172211

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28238743
Product of the distinct prime numbers

The prime factorization of 28238743 is 13 × 2172211. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28238743)

Multiplication

n×y
n×2 56477486
n×3 84716229
n×4 112954972
n×5 141193715

Division

n÷y
n÷2 14119371.5
n÷3 9412914.3333333
n÷3 7059685.75
n÷5 5647748.6

Exponentiation

ny
n2 797426606220049
n3 2.251832499441E+22
n4 6.3588919230763E+29
n5 1.7956711478053E+37

Nth Root

y√n
2√n 5314.0138313708
3√n 304.51950860187
4√n 72.897282743397
5√n 30.914987282898

Divisors of 28238743

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 -28238742
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 28238743 can be divided by 4 positive divisors. The sum of these divisors (counting 28238743) is 1, the average is 0.25.

Base conversion 28238743

Base System Value
2 Binary 1101011101110001110010111
3 Ternary 1222010200021101
4 Quaternary 1223232032113
5 Quinary 24212114433
6 Senary 2445130531
8 Octal 153561627
10 Decimal 28238743
12 Duodecimal 9559a47
16 Hexadecimal 1aee397
20 Vigesimal 8g9gh3
36 Base36 gt95j

Cryptographic Hash Functions

md5 91003daaa25c4f39fcbc6501c115ffad
sha1 2687953f71edefff4783a59fb249a5bfa7d30a79
sha256 7d3612c235a374d0cb75a4dc03c32f47be60d5a76ece7e437643fb4df49c2450
sha512 5d711d8f43289168af8b5497e61e9c0c3dbb3248393cf8d3b2e207ddcb57ab4598e86d7618f0eb0341732c6a5970728645026d0c9ca469f14fae97fd94144331
ripemd-160 e1ed8952227004c9d02a16d449e96bc8f89653c1

28238743 as geometric shapes

Circle

Radius = n
Diameter 56477486
Circumference 177429255.11082
Area 2.5051895678779E+15

Sphere

Radius = n
Volume 9.4324539164782E+22
Surface area 1.0020758271512E+16
Circumference 177429255.11082

Square

Length = n
Perimeter 112954972
Area 797426606220049
Diagonal 39935613.334968

Cube

Length = n
Surface area 4784559637320294
Volume 2.251832499441E+22
Space diagonal 48910937.61788

Equilateral Triangle

Length = n
Perimeter 84716229
Area 3.4529584932009E+14
Altitude 24455468.80894

Triangular Pyramid

Length = n
Surface area 3.4529584932009E+14
Volume 2.6538100507517E+21
Height 13311871.111656