28278009 (number)

28278009 is an odd 8-digits composite number following 28278008 and preceding 28278010. In scientific notation, it is written as 2.8278009 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 18761400 positive integers (up to 28278009) that are relatively prime to 28278009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8278009 × 10^7
Engineering notation 2.8278009 × 10^6

Prime Factorization of 28278009

Prime Factorization 3 × 3 × 211 × 14891

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9426003
Product of the distinct prime numbers

The prime factorization of 28278009 is 3 × 3 × 211 × 14891. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 89, 3, 458, 312, 8146, 6355, 98750, 79313, 21647, 141031, 7475402, 1710142, 14928340, 56950167, 558980218, 311383463, 154026760, 9256866091

Basic calculations (n = 28278009)

Multiplication

n×y
n×2 56556018
n×3 84834027
n×4 113112036
n×5 141390045

Division

n÷y
n÷2 14139004.5
n÷3 9426003
n÷3 7069502.25
n÷5 5655601.8

Exponentiation

ny
n2 799645793004081
n3 2.2612390931382E+22
n4 6.3943339426913E+29
n5 1.8081903278043E+37

Nth Root

y√n
2√n 5317.7071186744
3√n 304.66058812403
4√n 72.922610476274
5√n 30.923579969034

Divisors of 28278009

1, 3, 9, 211, 633, 1899, 14891, 44673, 134019, 3142001, 9426003, 28278009

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28278008
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28278009 can be divided by 12 positive divisors. The sum of these divisors (counting 28278009) is 1, the average is 0.083333333333333.

Base conversion 28278009

Base System Value
2 Binary 1101011110111110011111001
3 Ternary 1222012200010200
4 Quaternary 1223313303321
5 Quinary 24214344014
6 Senary 2450032413
8 Octal 153676371
10 Decimal 28278009
12 Duodecimal 9578709
16 Hexadecimal 1af7cf9
20 Vigesimal 8gef09
36 Base36 gu3g9

Cryptographic Hash Functions

md5 23b23ce088407fdd9ae175815a461122
sha1 d1c5865793eb032aa48f67e481d70a26297879fc
sha256 d375d4b5d703a15984c6eac49a50f723cb29183d477b20fa086a65fbacfc3d87
sha512 c218d42c11e892ee60309f298f0d351f18549f6d4cd23852880b06ef371fe93ce89bd33c9309f48872ceccea218a843082bf7df8059e56f53382bdf25ce2354e
ripemd-160 6f455f7e440e2ff5185fa1f8f81deecd00e54cda

28278009 as geometric shapes

Circle

Radius = n
Diameter 56556018
Circumference 177675970.66509
Area 2.5121613487756E+15

Sphere

Radius = n
Volume 9.4718561640172E+22
Surface area 1.0048645395102E+16
Circumference 177675970.66509

Square

Length = n
Perimeter 113112036
Area 799645793004081
Diagonal 39991143.844708

Cube

Length = n
Surface area 4797874758024486
Volume 2.2612390931382E+22
Space diagonal 48978948.32489

Equilateral Triangle

Length = n
Perimeter 84834027
Area 3.4625678538544E+14
Altitude 24489474.162445

Triangular Pyramid

Length = n
Surface area 3.4625678538544E+14
Volume 2.6648958277368E+21
Height 13330381.281569