28421815 (number)

28421815 is an odd 8-digits composite number following 28421814 and preceding 28421816. In scientific notation, it is written as 2.8421815 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 21012480 positive integers (up to 28421815) that are relatively prime to 28421815.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8421815 × 10^7
Engineering notation 2.8421815 × 10^6

Prime Factorization of 28421815

Prime Factorization 5 × 19 × 41 × 7297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28421815
Product of the distinct prime numbers

The prime factorization of 28421815 is 5 × 19 × 41 × 7297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 42, 62, 152, 263, 418, 3673, 26207, 21796, 561841, 955941, 8473647, 4109357, 39859220, 69553427, 571290744, 653204246, 8213742396, 4087238059

Basic calculations (n = 28421815)

Multiplication

n×y
n×2 56843630
n×3 85265445
n×4 113687260
n×5 142109075

Division

n÷y
n÷2 14210907.5
n÷3 9473938.3333333
n÷3 7105453.75
n÷5 5684363

Exponentiation

ny
n2 807799567894225
n3 2.295912987577E+22
n4 6.525401418901E+29
n5 1.8546375192874E+37

Nth Root

y√n
2√n 5331.2114007981
3√n 305.17615909783
4√n 73.015145009773
5√n 30.954968161031

Divisors of 28421815

1, 5, 19, 41, 95, 205, 779, 3895, 7297, 36485, 138643, 299177, 693215, 1495885, 5684363, 28421815

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 -28421814
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 28421815 can be divided by 16 positive divisors. The sum of these divisors (counting 28421815) is 1, the average is 0.0625.

Base conversion 28421815

Base System Value
2 Binary 1101100011010111010110111
3 Ternary 1222110222101211
4 Quaternary 1230122322313
5 Quinary 24233444230
6 Senary 2453102251
8 Octal 154327267
10 Decimal 28421815
12 Duodecimal 9627987
16 Hexadecimal 1b1aeb7
20 Vigesimal 8hceaf
36 Base36 gx6ev

Cryptographic Hash Functions

md5 3ab459cc568706fbda44c90019674483
sha1 39f1bae332a78af71dc99e3e3c8a33cc0eda86f5
sha256 93881c15c87993d41750ac648e67335ebe539948b1cacd008aa2044bd46a2b33
sha512 c33a7eb87f85089093d2c74459e01fd62e7f01afab35d3408abb9186b49eff23df4089afeb920c6d716ac54f4bab6e206fa3125e01905266c489a1e9942a0f49
ripemd-160 ed0393e5554d78a61827f4a1c9ad470cdd0c9c60

28421815 as geometric shapes

Circle

Radius = n
Diameter 56843630
Circumference 178579530.41138
Area 2.5377771880695E+15

Sphere

Radius = n
Volume 9.6170978334042E+22
Surface area 1.0151108752278E+16
Circumference 178579530.41138

Square

Length = n
Perimeter 113687260
Area 807799567894225
Diagonal 40194516.240259

Cube

Length = n
Surface area 4846797407365350
Volume 2.295912987577E+22
Space diagonal 49228027.623323

Equilateral Triangle

Length = n
Perimeter 85265445
Area 3.4978747348125E+14
Altitude 24614013.811662

Triangular Pyramid

Length = n
Surface area 3.4978747348125E+14
Volume 2.7057594042166E+21
Height 13398172.080086