28831729 (number)

28831729 is an odd 8-digits composite number following 28831728 and preceding 28831730. In scientific notation, it is written as 2.8831729 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 28808676 positive integers (up to 28831729) that are relatively prime to 28831729.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8831729 × 10^7
Engineering notation 2.8831729 × 10^6

Prime Factorization of 28831729

Prime Factorization 1327 × 21727

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28831729
Product of the distinct prime numbers

The prime factorization of 28831729 is 1327 × 21727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28831729)

Multiplication

n×y
n×2 57663458
n×3 86495187
n×4 115326916
n×5 144158645

Division

n÷y
n÷2 14415864.5
n÷3 9610576.3333333
n÷3 7207932.25
n÷5 5766345.8

Exponentiation

ny
n2 831268597129441
n3 2.3966910918646E+22
n4 6.9100748057355E+29
n5 1.9922940416869E+37

Nth Root

y√n
2√n 5369.5185072779
3√n 306.6362975335
4√n 73.276998487096
5√n 31.04374714832

Divisors of 28831729

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 -28831728
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 28831729 can be divided by 4 positive divisors. The sum of these divisors (counting 28831729) is 1, the average is 0.25.

Base conversion 28831729

Base System Value
2 Binary 1101101111110111111110001
3 Ternary 2000020210200211
4 Quaternary 1231332333301
5 Quinary 24340103404
6 Senary 2505544121
8 Octal 155767761
10 Decimal 28831729
12 Duodecimal 97a5041
16 Hexadecimal 1b7eff1
20 Vigesimal 903j69
36 Base36 h5ypd

Cryptographic Hash Functions

md5 d4253e947f810b060bebe0428f2c340e
sha1 cfa1993f225700c3f4ace20c3e3ee5506b22e8c0
sha256 f5e5b1038ed6bf58ea4f9fa8dc4546be293a5c9889de17a5a9a8385e2cf8e8ef
sha512 e80b8a56eafd8404c2bc69212249b4ac34c8e1ee952f67ffade689771593b0cbae2e0020257edbc3625b8b92a857f1e90b74d908177ad2c198f6ab374a7b039e
ripemd-160 2a7fa4f981a093a8fce219f2dc3fb3b02a1e9ec8

28831729 as geometric shapes

Circle

Radius = n
Diameter 57663458
Circumference 181155096.03338
Area 2.6115073179017E+15

Sphere

Radius = n
Volume 1.0039236169501E+23
Surface area 1.0446029271607E+16
Circumference 181155096.03338

Square

Length = n
Perimeter 115326916
Area 831268597129441
Diagonal 40774222.178466

Cube

Length = n
Surface area 4987611582776646
Volume 2.3966910918646E+22
Space diagonal 49938019.498057

Equilateral Triangle

Length = n
Perimeter 86495187
Area 3.5994986124117E+14
Altitude 24969009.749029

Triangular Pyramid

Length = n
Surface area 3.5994986124117E+14
Volume 2.8245275391114E+21
Height 13591407.392822