28874989 (number)

28874989 is an odd 8-digits composite number following 28874988 and preceding 28874990. In scientific notation, it is written as 2.8874989 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 24230640 positive integers (up to 28874989) that are relatively prime to 28874989.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred seventy-four thousand nine hundred eighty-nine

Notation

Scientific notation 2.8874989 × 10^7
Engineering notation 2.8874989 × 10^6

Prime Factorization of 28874989

Prime Factorization 13 × 11 × 201923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28874989
Product of the distinct prime numbers

The prime factorization of 28874989 is 13 × 11 × 201923. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 99, 57, 934, 118, 9624, 335, 32302, 7233, 158451, 175309, 5845635, 2300800, 46540024, 91361100, 600145846, 663682690, 7614171796, 750615343

Basic calculations (n = 28874989)

Multiplication

n×y
n×2 57749978
n×3 86624967
n×4 115499956
n×5 144374945

Division

n÷y
n÷2 14437494.5
n÷3 9624996.3333333
n÷3 7218747.25
n÷5 5774997.8

Exponentiation

ny
n2 833764989750121
n3 2.407495490762E+22
n4 6.9516405813302E+29
n5 2.0072854531786E+37

Nth Root

y√n
2√n 5373.5452915184
3√n 306.78958302568
4√n 73.30446979222
5√n 31.053057358081

Divisors of 28874989

1, 11, 13, 143, 201923, 2221153, 2624999, 28874989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28874988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28874989 can be divided by 8 positive divisors. The sum of these divisors (counting 28874989) is 1, the average is 0.125.

Base conversion 28874989

Base System Value
2 Binary 1101110001001100011101101
3 Ternary 2000100000001001
4 Quaternary 1232021203231
5 Quinary 24342444424
6 Senary 2510520301
8 Octal 156114355
10 Decimal 28874989
12 Duodecimal 9806091
16 Hexadecimal 1b898ed
20 Vigesimal 909799
36 Base36 h6w31

Cryptographic Hash Functions

md5 292f815eac6dc40a18fcdf1ccaaf8935
sha1 740b7b2d90d9629b814b36390a4bf128538d7600
sha256 f58f45451981134e98061a559e822527a500b376ca404256a86f43abcb6c6db7
sha512 528adfdd8fb18eba4a10bec4adb617db698ebf2f0939e950acc68458cd43cb735823bcd858ba26ba0121983bfa4751c142c085ab0ab4535d466a36d9cccdde6e
ripemd-160 2a4cd9239d030589d40d894141bb7313285b554f

28874989 as geometric shapes

Circle

Radius = n
Diameter 57749978
Circumference 181426906.62977
Area 2.6193499666193E+15

Sphere

Radius = n
Volume 1.0084493529771E+23
Surface area 1.0477399866477E+16
Circumference 181426906.62977

Square

Length = n
Perimeter 115499956
Area 833764989750121
Diagonal 40835401.057174

Cube

Length = n
Surface area 5002589938500726
Volume 2.407495490762E+22
Space diagonal 50012948.015992

Equilateral Triangle

Length = n
Perimeter 86624967
Area 3.6103083095484E+14
Altitude 25006474.007996

Triangular Pyramid

Length = n
Surface area 3.6103083095484E+14
Volume 2.8372606453231E+21
Height 13611800.352391