28931642 (number)

28931642 is an even 8-digits composite number following 28931641 and preceding 28931643. In scientific notation, it is written as 2.8931642 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 13537872 positive integers (up to 28931642) that are relatively prime to 28931642.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931642 × 10^7
Engineering notation 2.8931642 × 10^6

Prime Factorization of 28931642

Prime Factorization 2 × 19 × 83 × 9173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28931642
Product of the distinct prime numbers

The prime factorization of 28931642 is 2 × 19 × 83 × 9173. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 64, 1, 480, 806, 6015, 2791, 25254, 88427, 75967, 18857, 7259786, 7410963, 37616034, 34375677, 383842178, 761758688, 6505549564, 594318906

Basic calculations (n = 28931642)

Multiplication

n×y
n×2 57863284
n×3 86794926
n×4 115726568
n×5 144658210

Division

n÷y
n÷2 14465821
n÷3 9643880.6666667
n÷3 7232910.5
n÷5 5786328.4

Exponentiation

ny
n2 837039908816164
n3 2.4216938981582E+22
n4 7.0063580895097E+29
n5 2.027054439695E+37

Nth Root

y√n
2√n 5378.8141815831
3√n 306.99009329758
4√n 73.34039938249
5√n 31.065233084392

Divisors of 28931642

1, 2, 19, 38, 83, 166, 1577, 3154, 9173, 18346, 174287, 348574, 761359, 1522718, 14465821, 28931642

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 -28931641
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 28931642 can be divided by 16 positive divisors. The sum of these divisors (counting 28931642) is 1, the average is 0.0625.

Base conversion 28931642

Base System Value
2 Binary 1101110010111011000111010
3 Ternary 2000102212202022
4 Quaternary 1232113120322
5 Quinary 24401303032
6 Senary 2512034442
8 Octal 156273072
10 Decimal 28931642
12 Duodecimal 9832a22
16 Hexadecimal 1b9763a
20 Vigesimal 90g922
36 Base36 h83sq

Cryptographic Hash Functions

md5 43e11b594a6060ffafc3430d70c98819
sha1 5dd8371fc605896c89adfdba68a64d9542884dbb
sha256 8cb214696eff854e70cdabcc766ce159dbf02bdef8f52803449f52e3cc41ef7b
sha512 5921c9e6c97dbdd06453c66d4f10a1e39891cbe9fabca7a0e99e816e1c2f3070fda65935d00c131449a31733766501e4c2737994869b3186e469c670dd49655e
ripemd-160 8913c5209338ec88be09eb01b9c8a547d1c8e165

28931642 as geometric shapes

Circle

Radius = n
Diameter 57863284
Circumference 181782867.92698
Area 2.6296384282983E+15

Sphere

Radius = n
Volume 1.0143967679596E+23
Surface area 1.0518553713193E+16
Circumference 181782867.92698

Square

Length = n
Perimeter 115726568
Area 837039908816164
Diagonal 40915520.498123

Cube

Length = n
Surface area 5022239452896984
Volume 2.4216938981582E+22
Space diagonal 50111073.890394

Equilateral Triangle

Length = n
Perimeter 86794926
Area 3.624489125081E+14
Altitude 25055536.945197

Triangular Pyramid

Length = n
Surface area 3.624489125081E+14
Volume 2.8539936289096E+21
Height 13638506.832708