28888081 (number)

28888081 is an odd 8-digits composite number following 28888080 and preceding 28888082. In scientific notation, it is written as 2.8888081 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 28864512 positive integers (up to 28888081) that are relatively prime to 28888081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8888081 × 10^7
Engineering notation 2.8888081 × 10^6

Prime Factorization of 28888081

Prime Factorization 1297 × 22273

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28888081
Product of the distinct prime numbers

The prime factorization of 28888081 is 1297 × 22273. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28888081)

Multiplication

n×y
n×2 57776162
n×3 86664243
n×4 115552324
n×5 144440405

Division

n÷y
n÷2 14444040.5
n÷3 9629360.3333333
n÷3 7222020.25
n÷5 5777616.2

Exponentiation

ny
n2 834521223862561
n3 2.4107716711161E+22
n4 6.9642567307707E+29
n5 2.011840125433E+37

Nth Root

y√n
2√n 5374.7633436273
3√n 306.83594243549
4√n 73.312777492244
5√n 31.055872755969

Divisors of 28888081

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28888080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28888081 can be divided by 4 positive divisors. The sum of these divisors (counting 28888081) is 1, the average is 0.25.

Base conversion 28888081

Base System Value
2 Binary 1101110001100110000010001
3 Ternary 2000100122222221
4 Quaternary 1232030300101
5 Quinary 24343404311
6 Senary 2511101041
8 Octal 156146021
10 Decimal 28888081
12 Duodecimal 9811781
16 Hexadecimal 1b8cc11
20 Vigesimal 90b041
36 Base36 h766p

Cryptographic Hash Functions

md5 acf8d7de408b6c55a8c42c5fdcd6679f
sha1 3983147f5fa3812bb466e598cf5d255c91c0aa49
sha256 fc894da6ef2cb62b126848c7f3855a7bd59dd907eee32874eb051f8a8381d437
sha512 3cfc99cb031c7dfca15f3b5a99f3c6cc1561774d68e444ed8307b802a702f4f616c98c9226e63cd72f720d407d6bbb4181300f50f380fc5f020995eda0e85398
ripemd-160 9b9c6f2f7a1da0eb22cc3fe324b91f18aeb097cd

28888081 as geometric shapes

Circle

Radius = n
Diameter 57776162
Circumference 181509166.09181
Area 2.6217257461514E+15

Sphere

Radius = n
Volume 1.0098216761948E+23
Surface area 1.0486902984606E+16
Circumference 181509166.09181

Square

Length = n
Perimeter 115552324
Area 834521223862561
Diagonal 40853915.941133

Cube

Length = n
Surface area 5007127343175366
Volume 2.4107716711161E+22
Space diagonal 50035624.025165

Equilateral Triangle

Length = n
Perimeter 86664243
Area 3.6135828993113E+14
Altitude 25017812.012583

Triangular Pyramid

Length = n
Surface area 3.6135828993113E+14
Volume 2.8411216608977E+21
Height 13617971.980378