28133721 (number)

28133721 is an odd 8-digits composite number following 28133720 and preceding 28133722. In scientific notation, it is written as 2.8133721 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 14614560 positive integers (up to 28133721) that are relatively prime to 28133721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8133721 × 10^7
Engineering notation 2.8133721 × 10^6

Prime Factorization of 28133721

Prime Factorization 3 × 21 × 11 × 40597

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28133721
Product of the distinct prime numbers

The prime factorization of 28133721 is 3 × 21 × 11 × 40597. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 85, 88, 691, 881, 704, 404, 62476, 19711, 115081, 744979, 9153238, 8710354, 52966667, 14119389, 835084316, 107672798, 3634352719, 4287819597

Basic calculations (n = 28133721)

Multiplication

n×y
n×2 56267442
n×3 84401163
n×4 112534884
n×5 140668605

Division

n÷y
n÷2 14066860.5
n÷3 9377907
n÷3 7033430.25
n÷5 5626744.2

Exponentiation

ny
n2 791506257305841
n3 2.2268016212797E+22
n4 6.264821553543E+29
n5 1.7625274170217E+37

Nth Root

y√n
2√n 5304.1230189354
3√n 304.14152935025
4√n 72.829410398103
5√n 30.891957967687

Divisors of 28133721

1, 3, 11, 21, 33, 63, 231, 693, 40597, 121791, 446567, 852537, 1339701, 2557611, 9377907, 28133721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28133720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28133721 can be divided by 16 positive divisors. The sum of these divisors (counting 28133721) is 1, the average is 0.0625.

Base conversion 28133721

Base System Value
2 Binary 1101011010100100101011001
3 Ternary 1221221100012200
4 Quaternary 1223110211121
5 Quinary 24200234341
6 Senary 2443000413
8 Octal 153244531
10 Decimal 28133721
12 Duodecimal 9509109
16 Hexadecimal 1ad4959
20 Vigesimal 8fge61
36 Base36 gr049

Cryptographic Hash Functions

md5 e805d2dbe4d93c8e1df3f6e09b546a12
sha1 0326d550b6e55189d69792f056398ca811c06708
sha256 0f117334dbcab4d4b1d06ba0fc5ebbed648ec0de39a3840621fccea74df1deed
sha512 1b8a4d5e865b883e6964cb051084d82ff8e9d4cac026f6329aad94be8c2bb03ac6301372998d0f13fe27f8822d60dc6ea3446580bdedaf58696035db46fcadff
ripemd-160 7f928fb0e80e9e98a91641b5fc22464f0051cba8

28133721 as geometric shapes

Circle

Radius = n
Diameter 56267442
Circumference 176769382.42349
Area 2.4865902432224E+15

Sphere

Radius = n
Volume 9.3276048192188E+22
Surface area 9.9463609728895E+15
Circumference 176769382.42349

Square

Length = n
Perimeter 112534884
Area 791506257305841
Diagonal 39787089.798221

Cube

Length = n
Surface area 4749037543835046
Volume 2.2268016212797E+22
Space diagonal 48729034.177967

Equilateral Triangle

Length = n
Perimeter 84401163
Area 3.427322630406E+14
Altitude 24364517.088984

Triangular Pyramid

Length = n
Surface area 3.427322630406E+14
Volume 2.6243108779401E+21
Height 13262363.266074