28931884 (number)

28931884 is an even 8-digits composite number following 28931883 and preceding 28931885. In scientific notation, it is written as 2.8931884 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 24 positive divisors. There are 13540560 positive integers (up to 28931884) that are relatively prime to 28931884.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931884 × 10^7
Engineering notation 2.8931884 × 10^6

Prime Factorization of 28931884

Prime Factorization 2 × 2 × 23 × 47 × 6691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14465942
Product of the distinct prime numbers

The prime factorization of 28931884 is 2 × 2 × 23 × 47 × 6691. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 2, 75, 6, 281, 565, 4531, 2960, 80366, 41911, 361481, 326894, 329583, 6534443, 2243850, 53757815, 939225884, 408841802, 4042045220, 434088776

Basic calculations (n = 28931884)

Multiplication

n×y
n×2 57863768
n×3 86795652
n×4 115727536
n×5 144659420

Division

n÷y
n÷2 14465942
n÷3 9643961.3333333
n÷3 7232971
n÷5 5786376.8

Exponentiation

ny
n2 837053911789456
n3 2.4217546677639E+22
n4 7.0065925124203E+29
n5 2.0271392180461E+37

Nth Root

y√n
2√n 5378.8366772007
3√n 306.99094923927
4√n 73.340552746763
5√n 31.065285053522

Divisors of 28931884

1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 6691, 13382, 26764, 153893, 307786, 314477, 615572, 628954, 1257908, 7232971, 14465942, 28931884

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931883
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931884 can be divided by 24 positive divisors. The sum of these divisors (counting 28931884) is 1, the average is 0.041666666666667.

Base conversion 28931884

Base System Value
2 Binary 1101110010111011100101100
3 Ternary 2000102220002021
4 Quaternary 1232113130230
5 Quinary 24401310014
6 Senary 2512035524
8 Octal 156273454
10 Decimal 28931884
12 Duodecimal 9832ba4
16 Hexadecimal 1b9772c
20 Vigesimal 90g9e4
36 Base36 h83zg

Cryptographic Hash Functions

md5 564a228edfac36e5963d590f7e05aa31
sha1 2dbdc5e005b1f249ac5e866dcd53db7bf300680e
sha256 f033c2d6f95a5812c1223b24e01aad703ed8a60c151c1ef9136bb803952c1305
sha512 22b72e33dc34d40505db8fd99af5aa988f2ee10ef2d8746d516248fce383e98223835d1b13e51adda58da3bb57d25dce1a10fbb13e3f10c4551578d1002d0645
ripemd-160 6d8a3187d118246a9ffe03cf53e082b54d06f18e

28931884 as geometric shapes

Circle

Radius = n
Diameter 57863768
Circumference 181784388.45782
Area 2.6296824199364E+15

Sphere

Radius = n
Volume 1.0144222230725E+23
Surface area 1.0518729679745E+16
Circumference 181784388.45782

Square

Length = n
Perimeter 115727536
Area 837053911789456
Diagonal 40915862.737805

Cube

Length = n
Surface area 5022323470736736
Volume 2.4217546677639E+22
Space diagonal 50111493.046689

Equilateral Triangle

Length = n
Perimeter 86795652
Area 3.624549759734E+14
Altitude 25055746.523345

Triangular Pyramid

Length = n
Surface area 3.624549759734E+14
Volume 2.8540652465767E+21
Height 13638620.912602