28139969 (number)

28139969 is an odd 8-digits composite number following 28139968 and preceding 28139970. In scientific notation, it is written as 2.8139969 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 22368960 positive integers (up to 28139969) that are relatively prime to 28139969.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-nine thousand nine hundred sixty-nine

Notation

Scientific notation 2.8139969 × 10^7
Engineering notation 2.8139969 × 10^6

Prime Factorization of 28139969

Prime Factorization 143 × 19 × 10357

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28139969
Product of the distinct prime numbers

The prime factorization of 28139969 is 143 × 19 × 10357. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28139969)

Multiplication

n×y
n×2 56279938
n×3 84419907
n×4 112559876
n×5 140699845

Division

n÷y
n÷2 14069984.5
n÷3 9379989.6666667
n÷3 7034992.25
n÷5 5627993.8

Exponentiation

ny
n2 791857855320961
n3 2.2282855501138E+22
n4 6.2703886303351E+29
n5 1.7644854167558E+37

Nth Root

y√n
2√n 5304.7119620202
3√n 304.16404249524
4√n 72.833453591191
5√n 30.893329956908

Divisors of 28139969

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 -28139968
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 28139969 can be divided by 8 positive divisors. The sum of these divisors (counting 28139969) is 1, the average is 0.125.

Base conversion 28139969

Base System Value
2 Binary 1101011010110000111000001
3 Ternary 1221221122210002
4 Quaternary 1223112013001
5 Quinary 24200434334
6 Senary 2443045345
8 Octal 153260701
10 Decimal 28139969
12 Duodecimal 9510855
16 Hexadecimal 1ad61c1
20 Vigesimal 8fh9i9
36 Base36 gr4xt

Cryptographic Hash Functions

md5 4571035ee58344eabcb6577fd452223f
sha1 8962c4ce4f19607282e14945b11d5222e7314355
sha256 04ef7fc58769f661d44c55d3467730e086d86d2d281cf3e91cdaab6388985298
sha512 2f1ea7d94ae7f5597573c00334f132b5e57ff897c564597ff00a66e0cdaa052285322d56c1fd573c17806c66da9cef8f1f076ff042360914019a6877948c9f37
ripemd-160 e26503788709d87181a155c40b6ad548c8d79bf1

28139969 as geometric shapes

Circle

Radius = n
Diameter 56279938
Circumference 176808639.76529
Area 2.4876948209637E+15

Sphere

Radius = n
Volume 9.3338206857839E+22
Surface area 9.9507792838548E+15
Circumference 176808639.76529

Square

Length = n
Perimeter 112559876
Area 791857855320961
Diagonal 39795925.804558

Cube

Length = n
Surface area 4751147131925766
Volume 2.2282855501138E+22
Space diagonal 48739856.031413

Equilateral Triangle

Length = n
Perimeter 84419907
Area 3.4288450944711E+14
Altitude 24369928.015707

Triangular Pyramid

Length = n
Surface area 3.4288450944711E+14
Volume 2.6260597048425E+21
Height 13265308.601519