28161815 (number)

28161815 is an odd 8-digits composite number following 28161814 and preceding 28161816. In scientific notation, it is written as 2.8161815 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 20092800 positive integers (up to 28161815) that are relatively prime to 28161815.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8161815 × 10^7
Engineering notation 2.8161815 × 10^6

Prime Factorization of 28161815

Prime Factorization 11 × 5 × 53 × 9661

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28161815
Product of the distinct prime numbers

The prime factorization of 28161815 is 11 × 5 × 53 × 9661. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 96, 100, 227, 750, 2595, 2340, 88281, 17175, 533774, 632743, 1332532, 8677745, 23587433, 34474635, 829102617, 788513237, 4981193755, 363934596

Basic calculations (n = 28161815)

Multiplication

n×y
n×2 56323630
n×3 84485445
n×4 112647260
n×5 140809075

Division

n÷y
n÷2 14080907.5
n÷3 9387271.6666667
n÷3 7040453.75
n÷5 5632363

Exponentiation

ny
n2 793087824094225
n3 2.2334792580894E+22
n4 6.2898829672651E+29
n5 1.7713452049577E+37

Nth Root

y√n
2√n 5306.7706752789
3√n 304.24273304503
4√n 72.847585239862
5√n 30.898125173322

Divisors of 28161815

1, 5, 11, 53, 55, 265, 583, 2915, 9661, 48305, 106271, 512033, 531355, 2560165, 5632363, 28161815

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 -28161814
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 28161815 can be divided by 16 positive divisors. The sum of these divisors (counting 28161815) is 1, the average is 0.0625.

Base conversion 28161815

Base System Value
2 Binary 1101011011011011100010111
3 Ternary 1221222202202012
4 Quaternary 1223123130113
5 Quinary 24202134230
6 Senary 2443334435
8 Octal 153333427
10 Decimal 28161815
12 Duodecimal 952141b
16 Hexadecimal 1adb717
20 Vigesimal 8g04af
36 Base36 grlsn

Cryptographic Hash Functions

md5 a5f88da48dc891b7f3142507df7e84a9
sha1 2508242ede2915269076a0549ccf0dfe4221b187
sha256 25106601a63a42b8364fc2f196d823904a4e6a57a1515abab0955065d7a31e72
sha512 36b423903797f1b6638ed17f91e1fa787a85896b3d7008d706d9d5f972f13ac7a292b4b08cf52a86d332ba7ac2b3a5bcd852ae22c1d36b22d03640634cd02744
ripemd-160 f3e31ac56a9a956415437bbe21d2cac5e36cbba0

28161815 as geometric shapes

Circle

Radius = n
Diameter 56323630
Circumference 176945902.23151
Area 2.4915588818259E+15

Sphere

Radius = n
Volume 9.3555760388785E+22
Surface area 9.9662355273037E+15
Circumference 176945902.23151

Square

Length = n
Perimeter 112647260
Area 793087824094225
Diagonal 39826820.714042

Cube

Length = n
Surface area 4758526944565350
Volume 2.2334792580894E+22
Space diagonal 48777694.413355

Equilateral Triangle

Length = n
Perimeter 84485445
Area 3.4341710154886E+14
Altitude 24388847.206678

Triangular Pyramid

Length = n
Surface area 3.4341710154886E+14
Volume 2.6321805483909E+21
Height 13275606.904681