28931842 (number)

28931842 is an even 8-digits composite number following 28931841 and preceding 28931843. In scientific notation, it is written as 2.8931842 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 14257152 positive integers (up to 28931842) that are relatively prime to 28931842.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931842 × 10^7
Engineering notation 2.8931842 × 10^6

Prime Factorization of 28931842

Prime Factorization 2 × 409 × 313 × 113

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931842
Product of the distinct prime numbers

The prime factorization of 28931842 is 2 × 409 × 313 × 113. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 32, 72, 518, 767, 3829, 9477, 57548, 8560, 714709, 487833, 1223408, 388617, 44887147, 69242455, 378826200, 49547786, 8844721914, 1039795151

Basic calculations (n = 28931842)

Multiplication

n×y
n×2 57863684
n×3 86795526
n×4 115727368
n×5 144659210

Division

n÷y
n÷2 14465921
n÷3 9643947.3333333
n÷3 7232960.5
n÷5 5786368.4

Exponentiation

ny
n2 837051481512964
n3 2.4217441208999E+22
n4 7.0065518270305E+29
n5 2.0271245042446E+37

Nth Root

y√n
2√n 5378.8327730094
3√n 306.99080068775
4√n 73.340526129892
5√n 31.065276034111

Divisors of 28931842

1, 2, 113, 226, 313, 409, 626, 818, 35369, 46217, 70738, 92434, 128017, 256034, 14465921, 28931842

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 -28931841
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 28931842 can be divided by 16 positive divisors. The sum of these divisors (counting 28931842) is 1, the average is 0.0625.

Base conversion 28931842

Base System Value
2 Binary 1101110010111011100000010
3 Ternary 2000102220000201
4 Quaternary 1232113130002
5 Quinary 24401304332
6 Senary 2512035414
8 Octal 156273402
10 Decimal 28931842
12 Duodecimal 9832b6a
16 Hexadecimal 1b97702
20 Vigesimal 90g9c2
36 Base36 h83ya

Cryptographic Hash Functions

md5 4643a6b17b846cc00ddf7bbf91323699
sha1 ce7441bb22b29bc253d57e2e02810976442240f7
sha256 fba2699ba7de7af429d5bb637845f9cd30e68d6613dd25b3fa421b2bec3de07a
sha512 c89044f2140c791c1c1c30c138ba143303bff6f1761dc0cae2a032f744806a69450b033dd4cc5337ed98d7ebd0f8b1d5a635ab395915e441a698fa31a599e2d7
ripemd-160 7c33ec71b7d8ab8d7c9131eed4469b60b12eeb26

28931842 as geometric shapes

Circle

Radius = n
Diameter 57863684
Circumference 181784124.56404
Area 2.6296747849976E+15

Sphere

Radius = n
Volume 1.0144178052125E+23
Surface area 1.051869913999E+16
Circumference 181784124.56404

Square

Length = n
Perimeter 115727368
Area 837051481512964
Diagonal 40915803.340836

Cube

Length = n
Surface area 5022308889077784
Volume 2.4217441208999E+22
Space diagonal 50111420.300555

Equilateral Triangle

Length = n
Perimeter 86795526
Area 3.6245392363281E+14
Altitude 25055710.150278

Triangular Pyramid

Length = n
Surface area 3.6245392363281E+14
Volume 2.8540528169783E+21
Height 13638601.113612