28279969 (number)

28279969 is an odd 8-digits composite number following 28279968 and preceding 28279970. In scientific notation, it is written as 2.8279969 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 28256580 positive integers (up to 28279969) that are relatively prime to 28279969.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred seventy-nine thousand nine hundred sixty-nine

Notation

Scientific notation 2.8279969 × 10^7
Engineering notation 2.8279969 × 10^6

Prime Factorization of 28279969

Prime Factorization 1279 × 22111

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28279969
Product of the distinct prime numbers

The prime factorization of 28279969 is 1279 × 22111. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28279969)

Multiplication

n×y
n×2 56559938
n×3 84839907
n×4 113119876
n×5 141399845

Division

n÷y
n÷2 14139984.5
n÷3 9426656.3333333
n÷3 7069992.25
n÷5 5655993.8

Exponentiation

ny
n2 799756646640961
n3 2.261709317455E+22
n4 6.3961069384639E+29
n5 1.8088170594045E+37

Nth Root

y√n
2√n 5317.8914054351
3√n 304.66762682039
4√n 72.923874042971
5√n 30.924008631012

Divisors of 28279969

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 -28279968
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 28279969 can be divided by 4 positive divisors. The sum of these divisors (counting 28279969) is 1, the average is 0.25.

Base conversion 28279969

Base System Value
2 Binary 1101011111000010010100001
3 Ternary 1222012202211021
4 Quaternary 1223320102201
5 Quinary 24214424334
6 Senary 2450045441
8 Octal 153702241
10 Decimal 28279969
12 Duodecimal 9579881
16 Hexadecimal 1af84a1
20 Vigesimal 8geji9
36 Base36 gu4yp

Cryptographic Hash Functions

md5 83363430ea882a28dd3b53d6cee83bb6
sha1 0c8d44f2d59adb259cd13332cb98b9739b8068e5
sha256 617ef0af7de49bd97774d38dd851642758413a481366f1f70b997c3a4a1e79be
sha512 abf3c4c7c9899fa8d8a6307b2582a2a56b206c0048610486c355292248d27616048edafca769b005934186115f7ca317b66b568dd2005949e4ffd3e9e331c958
ripemd-160 c5c70671108152cea0e28eff2d35ca7c23c8df2f

28279969 as geometric shapes

Circle

Radius = n
Diameter 56559938
Circumference 177688285.70829
Area 2.5125096057469E+15

Sphere

Radius = n
Volume 9.4738258350298E+22
Surface area 1.0050038422987E+16
Circumference 177688285.70829

Square

Length = n
Perimeter 113119876
Area 799756646640961
Diagonal 39993915.703291

Cube

Length = n
Surface area 4798539879845766
Volume 2.261709317455E+22
Space diagonal 48982343.144473

Equilateral Triangle

Length = n
Perimeter 84839907
Area 3.4630478641826E+14
Altitude 24491171.572236

Triangular Pyramid

Length = n
Surface area 3.4630478641826E+14
Volume 2.6654499924088E+21
Height 13331305.23443