28939900 (number)

28939900 is an even 8-digits composite number following 28939899 and preceding 28939901. In scientific notation, it is written as 2.8939900 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 10523200 positive integers (up to 28939900) that are relatively prime to 28939900.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-nine thousand nine hundred

Notation

Scientific notation 2.8939900 × 10^7
Engineering notation 2.8939900 × 10^6

Prime Factorization of 28939900

Prime Factorization 2 × 2 × 5 × 55 × 26309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14469950
Product of the distinct prime numbers

The prime factorization of 28939900 is 2 × 2 × 5 × 55 × 26309. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 3, 91, 87, 324, 882, 4319, 8303, 17407, 75623, 341327, 779029, 1116603, 3045606, 21854790, 77276170, 234235604, 240890705, 8227468245, 1089990111

Basic calculations (n = 28939900)

Multiplication

n×y
n×2 57879800
n×3 86819700
n×4 115759600
n×5 144699500

Division

n÷y
n÷2 14469950
n÷3 9646633.3333333
n÷3 7234975
n÷5 5787980

Exponentiation

ny
n2 837517812010000
n3 2.4237681727788E+22
n4 7.0143608543402E+29
n5 2.0299490168852E+37

Nth Root

y√n
2√n 5379.5817681303
3√n 307.01929872633
4√n 73.345632236216
5√n 31.067006280745

Divisors of 28939900

1, 2, 4, 5, 10, 20, 55, 110, 220, 275, 550, 1100, 26309, 52618, 105236, 131545, 263090, 526180, 1446995, 2893990, 5787980, 7234975, 14469950, 28939900

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 -28939899
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 28939900 can be divided by 24 positive divisors. The sum of these divisors (counting 28939900) is 1, the average is 0.041666666666667.

Base conversion 28939900

Base System Value
2 Binary 1101110011001011001111100
3 Ternary 2000110022002011
4 Quaternary 1232121121330
5 Quinary 24402034100
6 Senary 2512141004
8 Octal 156313174
10 Decimal 28939900
12 Duodecimal 9837764
16 Hexadecimal 1b9967c
20 Vigesimal 90h9f0
36 Base36 h8a64

Cryptographic Hash Functions

md5 565bdfb3d565750f92506fda33b274d3
sha1 5be76599d84c844520894b9d4151c2bb2d9d7761
sha256 28e5b400f7e7213f5259e5b309c18633c2c2ae408f096e8a98121123c0939bc8
sha512 b2238f7f48eb07a4ac142981ee74bcbd5bcf4df0a0d5fc5673549cb157bddd59f521505328a4e43dbc5594ce1454cd32a8d50b45996c6b89cb5c09ff57aaac69
ripemd-160 15f76c4dac86d4b39be01d84af6d735b9b992cac

28939900 as geometric shapes

Circle

Radius = n
Diameter 57879800
Circumference 181834754.47125
Area 2.6311398054612E+15

Sphere

Radius = n
Volume 1.0152656380809E+23
Surface area 1.0524559221845E+16
Circumference 181834754.47125

Square

Length = n
Perimeter 115759600
Area 837517812010000
Diagonal 40927199.073721

Cube

Length = n
Surface area 5025106872060000
Volume 2.4237681727788E+22
Space diagonal 50125377.165963

Equilateral Triangle

Length = n
Perimeter 86819700
Area 3.6265585066131E+14
Altitude 25062688.582981

Triangular Pyramid

Length = n
Surface area 3.6265585066131E+14
Volume 2.8564381849934E+21
Height 13642399.69124