28291855 (number)

28291855 is an odd 8-digits composite number following 28291854 and preceding 28291856. In scientific notation, it is written as 2.8291855 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 21442176 positive integers (up to 28291855) that are relatively prime to 28291855.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand eight hundred fifty-five

Notation

Scientific notation 2.8291855 × 10^7
Engineering notation 2.8291855 × 10^6

Prime Factorization of 28291855

Prime Factorization 95 × 297809

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28291855
Product of the distinct prime numbers

The prime factorization of 28291855 is 95 × 297809. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28291855)

Multiplication

n×y
n×2 56583710
n×3 84875565
n×4 113167420
n×5 141459275

Division

n÷y
n÷2 14145927.5
n÷3 9430618.3333333
n÷3 7072963.75
n÷5 5658371

Exponentiation

ny
n2 800429059341025
n3 2.2645622884663E+22
n4 6.4068667903756E+29
n5 1.8126214623762E+37

Nth Root

y√n
2√n 5319.0088362401
3√n 304.7103045215
4√n 72.931535265892
5√n 30.926607650749

Divisors of 28291855

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 -28291854
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 28291855 can be divided by 4 positive divisors. The sum of these divisors (counting 28291855) is 1, the average is 0.25.

Base conversion 28291855

Base System Value
2 Binary 1101011111011001100001111
3 Ternary 1222020101010111
4 Quaternary 1223323030033
5 Quinary 24220314410
6 Senary 2450220451
8 Octal 153731417
10 Decimal 28291855
12 Duodecimal 9584727
16 Hexadecimal 1afb30f
20 Vigesimal 8gg9cf
36 Base36 gue4v

Cryptographic Hash Functions

md5 96334231a5d2794102bf20e59e5396d8
sha1 0bd651c8a2c6d2b3df81421977be7cea14167619
sha256 d81d56dd0098bacdb7f9d96ea0e4889a858b134b0e25d4904cd3e19d933309c9
sha512 c43e05055be2e0a9fafd859c6819a720a1b998544ea7ad055592b3fb98d7deeb029b4e5186e598f3696227fc84551bfd1edfef9c8db6703de8aa36d75a7d0d4e
ripemd-160 7b6830759619bed0b142473d11aa8a5b5ac306d6

28291855 as geometric shapes

Circle

Radius = n
Diameter 56583710
Circumference 177762967.64886
Area 2.5146220525456E+15

Sphere

Radius = n
Volume 9.4857763320562E+22
Surface area 1.0058488210182E+16
Circumference 177762967.64886

Square

Length = n
Perimeter 113167420
Area 800429059341025
Diagonal 40010725.045693

Cube

Length = n
Surface area 4802574356046150
Volume 2.2645622884663E+22
Space diagonal 49002930.300372

Equilateral Triangle

Length = n
Perimeter 84875565
Area 3.465959496583E+14
Altitude 24501465.150186

Triangular Pyramid

Length = n
Surface area 3.465959496583E+14
Volume 2.6688122509897E+21
Height 13336908.348564