28167921 (number)

28167921 is an odd 8-digits composite number following 28167920 and preceding 28167922. In scientific notation, it is written as 2.8167921 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 18778608 positive integers (up to 28167921) that are relatively prime to 28167921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8167921 × 10^7
Engineering notation 2.8167921 × 10^6

Prime Factorization of 28167921

Prime Factorization 9 × 3129769

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28167921
Product of the distinct prime numbers

The prime factorization of 28167921 is 9 × 3129769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 82, 33, 998, 518, 3680, 4396, 12975, 22577, 723148, 377817, 6270270, 1664441, 48866647, 8529068, 676438850, 829402861, 1642009674, 9170111509

Basic calculations (n = 28167921)

Multiplication

n×y
n×2 56335842
n×3 84503763
n×4 112671684
n×5 140839605

Division

n÷y
n÷2 14083960.5
n÷3 9389307
n÷3 7041980.25
n÷5 5633584.2

Exponentiation

ny
n2 793431773462241
n3 2.2349323513774E+22
n4 6.2953397913944E+29
n5 1.7732663391215E+37

Nth Root

y√n
2√n 5307.3459468929
3√n 304.26471993144
4√n 72.85153359328
5√n 30.89946491362

Divisors of 28167921

1, 9, 3129769, 28167921

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 -28167920
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 28167921 can be divided by 4 positive divisors. The sum of these divisors (counting 28167921) is 1, the average is 0.25.

Base conversion 28167921

Base System Value
2 Binary 1101011011100111011110001
3 Ternary 1222000002010100
4 Quaternary 1223130323301
5 Quinary 24202333141
6 Senary 2443423013
8 Octal 153347361
10 Decimal 28167921
12 Duodecimal 9524a69
16 Hexadecimal 1adcef1
20 Vigesimal 8g0jg1
36 Base36 grqi9

Cryptographic Hash Functions

md5 fab43914a12be6b5997d3436f17966d3
sha1 922a553c1fbfef770677e72ba02918c2fc9188be
sha256 3cf373473d875fe9eee67ee1e6fdc1819b0fbc56cdbf282ef5f883bf9945cd62
sha512 1d4998d89777487972e5941036611b483b05d8a5d0f35773b6917a4863a2a780ccc3b767644d728d97eabd592a593a8d9725ff5f427fdd49b1f6fe5e26d63d1a
ripemd-160 60c64c65b227ebec42e3df01a210ccae5009d98e

28167921 as geometric shapes

Circle

Radius = n
Diameter 56335842
Circumference 176984267.361
Area 2.4926394306337E+15

Sphere

Radius = n
Volume 9.36166274181E+22
Surface area 9.9705577225348E+15
Circumference 176984267.361

Square

Length = n
Perimeter 112671684
Area 793431773462241
Diagonal 39835455.902054

Cube

Length = n
Surface area 4760590640773446
Volume 2.2349323513774E+22
Space diagonal 48788270.315586

Equilateral Triangle

Length = n
Perimeter 84503763
Area 3.4356603599402E+14
Altitude 24394135.157793

Triangular Pyramid

Length = n
Surface area 3.4356603599402E+14
Volume 2.6338930352536E+21
Height 13278485.300685