28131723 (number)

28131723 is an odd 8-digits composite number following 28131722 and preceding 28131724. In scientific notation, it is written as 2.8131723 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 17767296 positive integers (up to 28131723) that are relatively prime to 28131723.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8131723 × 10^7
Engineering notation 2.8131723 × 10^6

Prime Factorization of 28131723

Prime Factorization 9 × 19 × 164513

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28131723
Product of the distinct prime numbers

The prime factorization of 28131723 is 9 × 19 × 164513. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 16, 86, 742, 101, 9992, 8485, 44452, 31758, 304404, 586940, 4386689, 5239113, 32900279, 37770613, 222514391, 12886191, 6337067716, 7137851345

Basic calculations (n = 28131723)

Multiplication

n×y
n×2 56263446
n×3 84395169
n×4 112526892
n×5 140658615

Division

n÷y
n÷2 14065861.5
n÷3 9377241
n÷3 7032930.75
n÷5 5626344.6

Exponentiation

ny
n2 791393838948729
n3 2.2263272261212E+22
n4 6.2630420832601E+29
n5 1.7619016502362E+37

Nth Root

y√n
2√n 5303.9346715434
3√n 304.13432934091
4√n 72.828117314286
5√n 30.891519178339

Divisors of 28131723

1, 9, 19, 171, 164513, 1480617, 3125747, 28131723

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28131722
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28131723 can be divided by 8 positive divisors. The sum of these divisors (counting 28131723) is 1, the average is 0.125.

Base conversion 28131723

Base System Value
2 Binary 1101011010100000110001011
3 Ternary 1221221020110200
4 Quaternary 1223110012023
5 Quinary 24200203343
6 Senary 2442543243
8 Octal 153240613
10 Decimal 28131723
12 Duodecimal 9507b23
16 Hexadecimal 1ad418b
20 Vigesimal 8fg963
36 Base36 gqykr

Cryptographic Hash Functions

md5 9f94294dab0d0290f6a53934f851272c
sha1 22357608a36e120b732cef51b55f7c99f2e62412
sha256 0cee0b22a342a854de91c5183fa90c1e87578f92207c9db3d6ca5c82b6c5cba4
sha512 fde26ab3f7d85afb879b0e4f4617af9ce959548f84417fa194fe52b026acb4c1a38c0b328d70cc1dd5246753e66e05faaceb742937fb2acc6d8bf03d34e06f6c
ripemd-160 d62581887725f611610edb480e70cdcdf5344eb3

28131723 as geometric shapes

Circle

Radius = n
Diameter 56263446
Circumference 176756828.61925
Area 2.4862370705376E+15

Sphere

Radius = n
Volume 9.3256176774258E+22
Surface area 9.9449482821502E+15
Circumference 176756828.61925

Square

Length = n
Perimeter 112526892
Area 791393838948729
Diagonal 39784264.199523

Cube

Length = n
Surface area 4748363033692374
Volume 2.2263272261212E+22
Space diagonal 48725573.540454

Equilateral Triangle

Length = n
Perimeter 84395169
Area 3.4268358446404E+14
Altitude 24362786.770227

Triangular Pyramid

Length = n
Surface area 3.4268358446404E+14
Volume 2.6237517978843E+21
Height 13261421.399841