28821409 (number)

28821409 is an odd 8-digits composite number following 28821408 and preceding 28821410. In scientific notation, it is written as 2.8821409 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 26392320 positive integers (up to 28821409) that are relatively prime to 28821409.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred twenty-one thousand four hundred nine

Notation

Scientific notation 2.8821409 × 10^7
Engineering notation 2.8821409 × 10^6

Prime Factorization of 28821409

Prime Factorization 17 × 37 × 45821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28821409
Product of the distinct prime numbers

The prime factorization of 28821409 is 17 × 37 × 45821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28821409)

Multiplication

n×y
n×2 57642818
n×3 86464227
n×4 115285636
n×5 144107045

Division

n÷y
n÷2 14410704.5
n÷3 9607136.3333333
n÷3 7205352.25
n÷5 5764281.8

Exponentiation

ny
n2 830673616745281
n3 2.3941184053725E+22
n4 6.9001865755669E+29
n5 1.9887309947072E+37

Nth Root

y√n
2√n 5368.5574412499
3√n 306.59970747179
4√n 73.270440433028
5√n 31.041524476556

Divisors of 28821409

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 -28821408
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 28821409 can be divided by 8 positive divisors. The sum of these divisors (counting 28821409) is 1, the average is 0.125.

Base conversion 28821409

Base System Value
2 Binary 1101101111100011110100001
3 Ternary 2000020021112121
4 Quaternary 1231330132201
5 Quinary 24334241114
6 Senary 2505424241
8 Octal 155743641
10 Decimal 28821409
12 Duodecimal 979b081
16 Hexadecimal 1b7c7a1
20 Vigesimal 902da9
36 Base36 h5qqp

Cryptographic Hash Functions

md5 27486ea1699fce5ea72db0bb7e5b36c6
sha1 02e4f2b72ca5b651140bf08e0ad7f28157e437dd
sha256 ed8864815023a48eede1c3f5afe939d6226eb8f4254f42deb4f165ff9d9d42db
sha512 9988aeff02261745a5441694d6089c4068656055d0d03776fe6adffafadee2a5d1fdf7275267f75ae687feac67534f42de637c1653be6765835764653d01b2f8
ripemd-160 60d2900936c88a3cde8efa11b6d0dfb839bbe2e0

28821409 as geometric shapes

Circle

Radius = n
Diameter 57642818
Circumference 181090253.56101
Area 2.6096381318978E+15

Sphere

Radius = n
Volume 1.0028459725523E+23
Surface area 1.0438552527591E+16
Circumference 181090253.56101

Square

Length = n
Perimeter 115285636
Area 830673616745281
Diagonal 40759627.494502

Cube

Length = n
Surface area 4984041700471686
Volume 2.3941184053725E+22
Space diagonal 49920144.733723

Equilateral Triangle

Length = n
Perimeter 86464227
Area 3.5969222717746E+14
Altitude 24960072.366861

Triangular Pyramid

Length = n
Surface area 3.5969222717746E+14
Volume 2.821495599004E+21
Height 13586542.498167