28821680 (number)

28821680 is an even 8-digits composite number following 28821679 and preceding 28821681. In scientific notation, it is written as 2.8821680 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors. There are 11528640 positive integers (up to 28821680) that are relatively prime to 28821680.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand six hundred eighty

Notation

Scientific notation 2.8821680 × 10^7
Engineering notation 2.8821680 × 10^6

Prime Factorization of 28821680

Prime Factorization 2 × 2 × 2 × 2 × 5 × 360271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3602710
Product of the distinct prime numbers

The prime factorization of 28821680 is 2 × 2 × 2 × 2 × 5 × 360271. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 4, 35, 36, 559, 533, 5438, 5754, 83457, 30181, 328978, 728533, 2205939, 9075436, 26835655, 21873591, 4428471, 499759129, 666099432, 2451340317

Basic calculations (n = 28821680)

Multiplication

n×y
n×2 57643360
n×3 86465040
n×4 115286720
n×5 144108400

Division

n÷y
n÷2 14410840
n÷3 9607226.6666667
n÷3 7205420
n÷5 5764336

Exponentiation

ny
n2 830689238022400
n3 2.3941859397725E+22
n4 6.9004461016624E+29
n5 1.9888244939936E+37

Nth Root

y√n
2√n 5368.5826807454
3√n 306.60066842713
4√n 73.270612668009
5√n 31.041582851367

Divisors of 28821680

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 360271, 720542, 1441084, 1801355, 2882168, 3602710, 5764336, 7205420, 14410840, 28821680

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28821679
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28821680 can be divided by 20 positive divisors. The sum of these divisors (counting 28821680) is 1, the average is 0.05.

Base conversion 28821680

Base System Value
2 Binary 1101101111100100010110000
3 Ternary 2000020021220122
4 Quaternary 1231330202300
5 Quinary 24334243210
6 Senary 2505425412
8 Octal 155744260
10 Decimal 28821680
12 Duodecimal 979b268
16 Hexadecimal 1b7c8b0
20 Vigesimal 902e40
36 Base36 h5qy8

Cryptographic Hash Functions

md5 62e454744deac7707490fe3fb2ac5ac1
sha1 10a86fe964f4281b5bad8dd9c30ffb80f5d25835
sha256 429656ca44fdd61f865ba2d1dd486c412438f98f13f098df928ead38c5cb6dff
sha512 cb91f7c01014f2c130f55f814072dd3abdd930e3e27c753aa62b828bcbf474cb766a8135ca3bd5414540f9b8fa71b9ae3d07c07b7b4c3564537452e61efa02cd
ripemd-160 98249d27af30d5a3cfc35eb3038fd7ce4ee55155

28821680 as geometric shapes

Circle

Radius = n
Diameter 57643360
Circumference 181091956.30423
Area 2.6096872075873E+15

Sphere

Radius = n
Volume 1.0028742612957E+23
Surface area 1.0438748830349E+16
Circumference 181091956.30423

Square

Length = n
Perimeter 115286720
Area 830689238022400
Diagonal 40760010.746377

Cube

Length = n
Surface area 4984135428134400
Volume 2.3941859397725E+22
Space diagonal 49920614.119492

Equilateral Triangle

Length = n
Perimeter 86465040
Area 3.5969899138887E+14
Altitude 24960307.059746

Triangular Pyramid

Length = n
Surface area 3.5969899138887E+14
Volume 2.8215751890578E+21
Height 13586670.248792