28734721 (number)

28734721 is an odd 8-digits composite number following 28734720 and preceding 28734722. In scientific notation, it is written as 2.8734721 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 28263600 positive integers (up to 28734721) that are relatively prime to 28734721.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred thirty-four thousand seven hundred twenty-one

Notation

Scientific notation 2.8734721 × 10^7
Engineering notation 2.8734721 × 10^6

Prime Factorization of 28734721

Prime Factorization 61 × 471061

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28734721
Product of the distinct prime numbers

The prime factorization of 28734721 is 61 × 471061. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28734721)

Multiplication

n×y
n×2 57469442
n×3 86204163
n×4 114938884
n×5 143673605

Division

n÷y
n÷2 14367360.5
n÷3 9578240.3333333
n÷3 7183680.25
n÷5 5746944.2

Exponentiation

ny
n2 825684190947841
n3 2.3725804860997E+22
n4 6.8175438318119E+29
n5 1.9590021991239E+37

Nth Root

y√n
2√n 5360.4776839383
3√n 306.29200556682
4√n 73.215283130903
5√n 31.022828853459

Divisors of 28734721

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 -28734720
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 28734721 can be divided by 4 positive divisors. The sum of these divisors (counting 28734721) is 1, the average is 0.25.

Base conversion 28734721

Base System Value
2 Binary 1101101100111010100000001
3 Ternary 2000001212121221
4 Quaternary 1231213110001
5 Quinary 24324002341
6 Senary 2503515041
8 Octal 155472401
10 Decimal 28734721
12 Duodecimal 9758a81
16 Hexadecimal 1b67501
20 Vigesimal 8jbgg1
36 Base36 h3vup

Cryptographic Hash Functions

md5 f5c2c74c615b56e070534a9c066a4ea2
sha1 bc0aa3625e480ae60f20e80c8c0a6a79f6a1e087
sha256 1c3c6a430fb954322220deb908be5d69a1365e68430a4438e6b9b55a71fbccf7
sha512 0834546dd565271c4728c3623dd7ba52aa541cef68edcfd258689d6ace9697b3a19186b01768509844eb73847fc807fba8fa2f0f7d1de3253dc2e86dbe0d9d74
ripemd-160 54485b68e5a80542c049229fa5dd411efb1d12c2

28734721 as geometric shapes

Circle

Radius = n
Diameter 57469442
Circumference 180545576.7931
Area 2.593963388467E+15

Sphere

Radius = n
Volume 9.9382419002417E+22
Surface area 1.0375853553868E+16
Circumference 180545576.7931

Square

Length = n
Perimeter 114938884
Area 825684190947841
Diagonal 40637032.149207

Cube

Length = n
Surface area 4954105145687046
Volume 2.3725804860997E+22
Space diagonal 49769996.713316

Equilateral Triangle

Length = n
Perimeter 86204163
Area 3.5753174243202E+14
Altitude 24884998.356658

Triangular Pyramid

Length = n
Surface area 3.5753174243202E+14
Volume 2.7961129177199E+21
Height 13545677.383069