28002005 (number)

28002005 is an odd 8-digits composite number following 28002004 and preceding 28002006. In scientific notation, it is written as 2.8002005 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 22377168 positive integers (up to 28002005) that are relatively prime to 28002005.

Interesting facts

Basic properties

Name

Name twenty-eight million two thousand five

Notation

Scientific notation 2.8002005 × 10^7
Engineering notation 2.8002005 × 10^6

Prime Factorization of 28002005

Prime Factorization 5 × 1123 × 4987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28002005
Product of the distinct prime numbers

The prime factorization of 28002005 is 5 × 1123 × 4987. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28002005)

Multiplication

n×y
n×2 56004010
n×3 84006015
n×4 112008020
n×5 140010025

Division

n÷y
n÷2 14001002.5
n÷3 9334001.6666667
n÷3 7000501.25
n÷5 5600401

Exponentiation

ny
n2 784112284020025
n3 2.195671609769E+22
n4 6.148320739511E+29
n5 1.7216530808939E+37

Nth Root

y√n
2√n 5291.6920734298
3√n 303.66614506325
4√n 72.744017440817
5√n 30.862977751261

Divisors of 28002005

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 -28002004
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 28002005 can be divided by 8 positive divisors. The sum of these divisors (counting 28002005) is 1, the average is 0.125.

Base conversion 28002005

Base System Value
2 Binary 1101010110100011011010101
3 Ternary 1221200122112022
4 Quaternary 1222310123111
5 Quinary 24132031010
6 Senary 2440102525
8 Octal 152643325
10 Decimal 28002005
12 Duodecimal 9464a45
16 Hexadecimal 1ab46d5
20 Vigesimal 8f0505
36 Base36 go6hh

Cryptographic Hash Functions

md5 aa9ec41abc10912aff7d42ffd7130927
sha1 39388acfb4a7e730bce46e3f1f1aa82cc0678cf9
sha256 f6cba924bb67a803e3d735a02b8ada28f193820decabaf34a37435d4b6b71803
sha512 cddee523be48c1d4e965248e6b7ad1dea8ee20f5e1651cbdebff667f34960a118fd79c07c3cdf7cc5b8a54c45eb321ece2205a169a340071cca30837666a70f6
ripemd-160 6c315361e3d1bf7ef8b924b538c55210a2356dc9

28002005 as geometric shapes

Circle

Radius = n
Diameter 56004010
Circumference 175941786.38757
Area 2.4633613910668E+15

Sphere

Radius = n
Volume 9.197207731928E+22
Surface area 9.8534455642673E+15
Circumference 175941786.38757

Square

Length = n
Perimeter 112008020
Area 784112284020025
Diagonal 39600815.244639

Cube

Length = n
Surface area 4704673704120150
Volume 2.195671609769E+22
Space diagonal 48500895.373798

Equilateral Triangle

Length = n
Perimeter 84006015
Area 3.3953057869039E+14
Altitude 24250447.686899

Triangular Pyramid

Length = n
Surface area 3.3953057869039E+14
Volume 2.5876238075441E+21
Height 13200271.748213