28932721 (number)

28932721 is an odd 8-digits composite number following 28932720 and preceding 28932722. In scientific notation, it is written as 2.8932721 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 28584052 positive integers (up to 28932721) that are relatively prime to 28932721.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-two thousand seven hundred twenty-one

Notation

Scientific notation 2.8932721 × 10^7
Engineering notation 2.8932721 × 10^6

Prime Factorization of 28932721

Prime Factorization 83 × 348587

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28932721
Product of the distinct prime numbers

The prime factorization of 28932721 is 83 × 348587. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28932721)

Multiplication

n×y
n×2 57865442
n×3 86798163
n×4 115730884
n×5 144663605

Division

n÷y
n÷2 14466360.5
n÷3 9644240.3333333
n÷3 7233180.25
n÷5 5786544.2

Exponentiation

ny
n2 837102344463841
n3 2.4219648580818E+22
n4 7.0074033510686E+29
n5 2.0274324609093E+37

Nth Root

y√n
2√n 5378.914481566
3√n 306.99390962888
4√n 73.341083176934
5√n 31.065464795309

Divisors of 28932721

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 -28932720
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 28932721 can be divided by 4 positive divisors. The sum of these divisors (counting 28932721) is 1, the average is 0.25.

Base conversion 28932721

Base System Value
2 Binary 1101110010111101001110001
3 Ternary 2000102221020021
4 Quaternary 1232113221301
5 Quinary 24401321341
6 Senary 2512043441
8 Octal 156275161
10 Decimal 28932721
12 Duodecimal 9833581
16 Hexadecimal 1b97a71
20 Vigesimal 90gbg1
36 Base36 h84mp

Cryptographic Hash Functions

md5 ee817c5acc7108a569f1d1479036b68f
sha1 cd764dd25b98a85e250f4895ad75f60377ca408a
sha256 b9833679f6c893dc4b6302f1f45172dbe5d29110a8cf38f5693e354ae39e5006
sha512 18bdab0a619c573c35292c7dc25b9d5b4cac3f57de9cfed749508403a76ebd7b28f4c076018f424eaa7a0936c716f12c6a147b704364e3e0c902f45c2bf04ec4
ripemd-160 1aed6e87286efa12d32d3403efe45a16d76768f1

28932721 as geometric shapes

Circle

Radius = n
Diameter 57865442
Circumference 181789647.48393
Area 2.6298345756704E+15

Sphere

Radius = n
Volume 1.014510267387E+23
Surface area 1.0519338302682E+16
Circumference 181789647.48393

Square

Length = n
Perimeter 115730884
Area 837102344463841
Diagonal 40917046.434557

Cube

Length = n
Surface area 5022614066783046
Volume 2.4219648580818E+22
Space diagonal 50112942.773215

Equilateral Triangle

Length = n
Perimeter 86798163
Area 3.624759479366E+14
Altitude 25056471.386608

Triangular Pyramid

Length = n
Surface area 3.624759479366E+14
Volume 2.8543129582419E+21
Height 13639015.478186