28928131 (number)

28928131 is an odd 8-digits composite number following 28928130 and preceding 28928132. In scientific notation, it is written as 2.8928131 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 28896064 positive integers (up to 28928131) that are relatively prime to 28928131.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8928131 × 10^7
Engineering notation 2.8928131 × 10^6

Prime Factorization of 28928131

Prime Factorization 929 × 31139

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28928131
Product of the distinct prime numbers

The prime factorization of 28928131 is 929 × 31139. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28928131)

Multiplication

n×y
n×2 57856262
n×3 86784393
n×4 115712524
n×5 144640655

Division

n÷y
n÷2 14464065.5
n÷3 9642710.3333333
n÷3 7232032.75
n÷5 5785626.2

Exponentiation

ny
n2 836836763153161
n3 2.4208123510111E+22
n4 7.0029576816466E+29
n5 2.0258247720213E+37

Nth Root

y√n
2√n 5378.4877986289
3√n 306.97767453222
4√n 73.338174224812
5√n 31.064479063392

Divisors of 28928131

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 -28928130
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 28928131 can be divided by 4 positive divisors. The sum of these divisors (counting 28928131) is 1, the average is 0.25.

Base conversion 28928131

Base System Value
2 Binary 1101110010110100010000011
3 Ternary 2000102200221021
4 Quaternary 1232112202003
5 Quinary 24401200011
6 Senary 2512010311
8 Octal 156264203
10 Decimal 28928131
12 Duodecimal 9830997
16 Hexadecimal 1b96883
20 Vigesimal 90g06b
36 Base36 h8137

Cryptographic Hash Functions

md5 50617d8dbe67ecadfdddcca819b9dda9
sha1 b5c7c573431af1b469c0f7bc4197ad9bdfcfb946
sha256 22e60059eb4d24cf26539c32c6cc0b920b6e738cb3c643290efb355eac7d1176
sha512 234739996204ccc76b9178434d90705ed273bf9c9fbea5141de07fb8a83760abce41de31967f0438b1275adc16030116e5fead274ee1347e7c40ef83846548fc
ripemd-160 9bd7193f32f5eba341a9f6578527ccdc852eb3d2

28928131 as geometric shapes

Circle

Radius = n
Diameter 57856262
Circumference 181760807.66337
Area 2.6290002273758E+15

Sphere

Radius = n
Volume 1.0140275063541E+23
Surface area 1.0516000909503E+16
Circumference 181760807.66337

Square

Length = n
Perimeter 115712524
Area 836836763153161
Diagonal 40910555.194306

Cube

Length = n
Surface area 5021020578918966
Volume 2.4208123510111E+22
Space diagonal 50104992.660008

Equilateral Triangle

Length = n
Perimeter 86784393
Area 3.6236094785569E+14
Altitude 25052496.330004

Triangular Pyramid

Length = n
Surface area 3.6236094785569E+14
Volume 2.8529547156335E+21
Height 13636851.731435