28985809 (number)

28985809 is an odd 8-digits composite number following 28985808 and preceding 28985810. In scientific notation, it is written as 2.8985809 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 28566000 positive integers (up to 28985809) that are relatively prime to 28985809.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred eighty-five thousand eight hundred nine

Notation

Scientific notation 2.8985809 × 10^7
Engineering notation 2.8985809 × 10^6

Prime Factorization of 28985809

Prime Factorization 139 × 151 × 1381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28985809
Product of the distinct prime numbers

The prime factorization of 28985809 is 139 × 151 × 1381. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28985809)

Multiplication

n×y
n×2 57971618
n×3 86957427
n×4 115943236
n×5 144929045

Division

n÷y
n÷2 14492904.5
n÷3 9661936.3333333
n÷3 7246452.25
n÷5 5797161.8

Exponentiation

ny
n2 840177123384481
n3 2.4353213624592E+22
n4 7.0589759865862E+29
n5 2.0461012968277E+37

Nth Root

y√n
2√n 5383.8470446327
3√n 307.18156031376
4√n 73.374703029264
5√n 31.076856702012

Divisors of 28985809

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 -28985808
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 28985809 can be divided by 8 positive divisors. The sum of these divisors (counting 28985809) is 1, the average is 0.125.

Base conversion 28985809

Base System Value
2 Binary 1101110100100100111010001
3 Ternary 2000112122001111
4 Quaternary 1232210213101
5 Quinary 24410021214
6 Senary 2513133321
8 Octal 156444721
10 Decimal 28985809
12 Duodecimal 985a241
16 Hexadecimal 1ba49d1
20 Vigesimal 9134a9
36 Base36 h99ld

Cryptographic Hash Functions

md5 c42359810abbe80f37ca919e4635ee81
sha1 c2bbfb59945df2b6ad690ff0cb9eb2935615c075
sha256 04e6b1cc7d90f835b111128bca38dc90d1bfcb5af4fe15e24aa8dbbe40d280af
sha512 6e3cdcc83df47c6a101fa7159b7945e21a23764e185611a3f23890414b362ffff2235cca10a0144379fd27f7aa9aa794319c1d252d0407380d63190a290e6705
ripemd-160 fdecb5342734091bd466f9665ece9a86a0168f1b

28985809 as geometric shapes

Circle

Radius = n
Diameter 57971618
Circumference 182123209.22551
Area 2.6394942785389E+15

Sphere

Radius = n
Volume 1.0201050268576E+23
Surface area 1.0557977114156E+16
Circumference 182123209.22551

Square

Length = n
Perimeter 115943236
Area 840177123384481
Diagonal 40992124.204156

Cube

Length = n
Surface area 5041062740306886
Volume 2.4353213624592E+22
Space diagonal 50204893.886487

Equilateral Triangle

Length = n
Perimeter 86957427
Area 3.6380736626475E+14
Altitude 25102446.943244

Triangular Pyramid

Length = n
Surface area 3.6380736626475E+14
Volume 2.8700537496056E+21
Height 13664041.401385