28009009 (number)

28009009 is an odd 8-digits composite number following 28009008 and preceding 28009010. In scientific notation, it is written as 2.8009009 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 22963776 positive integers (up to 28009009) that are relatively prime to 28009009.

Interesting facts

Basic properties

Name

Name twenty-eight million nine thousand nine

Notation

Scientific notation 2.8009009 × 10^7
Engineering notation 2.8009009 × 10^6

Prime Factorization of 28009009

Prime Factorization 7 × 23 × 173969

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28009009
Product of the distinct prime numbers

The prime factorization of 28009009 is 7 × 23 × 173969. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28009009)

Multiplication

n×y
n×2 56018018
n×3 84027027
n×4 112036036
n×5 140045045

Division

n÷y
n÷2 14004504.5
n÷3 9336336.3333333
n÷3 7002252.25
n÷5 5601801.8

Exponentiation

ny
n2 784504585162081
n3 2.1973195986346E+22
n4 6.1544744414033E+29
n5 1.7238073001953E+37

Nth Root

y√n
2√n 5292.3538241505
3√n 303.69146111206
4√n 72.748565787584
5√n 30.864521516946

Divisors of 28009009

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 -28009008
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 28009009 can be divided by 8 positive divisors. The sum of these divisors (counting 28009009) is 1, the average is 0.125.

Base conversion 28009009

Base System Value
2 Binary 1101010110110001000110001
3 Ternary 1221201000010201
4 Quaternary 1222312020301
5 Quinary 24132242014
6 Senary 2440155201
8 Octal 152661061
10 Decimal 28009009
12 Duodecimal 9468b01
16 Hexadecimal 1ab6231
20 Vigesimal 8f12a9
36 Base36 gobw1

Cryptographic Hash Functions

md5 bb5999d54d3c4d3bc22203ccfe24ea88
sha1 8d8ddadbf63f09a404d1c13dbb46704168df62f1
sha256 4830511d2751e5f4b87afb90617750cc97ecb60ace3b6c4d9df1b3f98a5b0430
sha512 383c22d2a76cae76f5345082119bad9d91a5643147a6442d7655c1184c66b436967772e4cd7bf7b130de2d043fb6c4b95a2da10d9521a707e6de3b2435877691
ripemd-160 1ae8f59421d6b81efa01184901c157c33f3dadf4

28009009 as geometric shapes

Circle

Radius = n
Diameter 56018018
Circumference 175985793.81746
Area 2.4645938414527E+15

Sphere

Radius = n
Volume 9.2041108115458E+22
Surface area 9.8583753658108E+15
Circumference 175985793.81746

Square

Length = n
Perimeter 112036036
Area 784504585162081
Diagonal 39610720.39643

Cube

Length = n
Surface area 4707027510972486
Volume 2.1973195986346E+22
Space diagonal 48513026.657654

Equilateral Triangle

Length = n
Perimeter 84027027
Area 3.3970045006787E+14
Altitude 24256513.328827

Triangular Pyramid

Length = n
Surface area 3.3970045006787E+14
Volume 2.5895659810477E+21
Height 13203573.465477