28494865 (number)

28494865 is an odd 8-digits composite number following 28494864 and preceding 28494866. In scientific notation, it is written as 2.8494865 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 19539312 positive integers (up to 28494865) that are relatively prime to 28494865.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-four thousand eight hundred sixty-five

Notation

Scientific notation 2.8494865 × 10^7
Engineering notation 2.8494865 × 10^6

Prime Factorization of 28494865

Prime Factorization 7 × 5 × 814139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28494865
Product of the distinct prime numbers

The prime factorization of 28494865 is 7 × 5 × 814139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28494865)

Multiplication

n×y
n×2 56989730
n×3 85484595
n×4 113979460
n×5 142474325

Division

n÷y
n÷2 14247432.5
n÷3 9498288.3333333
n÷3 7123716.25
n÷5 5698973

Exponentiation

ny
n2 811957331368225
n3 2.3136614543098E+22
n4 6.5927470796261E+29
n5 1.8785943801309E+37

Nth Root

y√n
2√n 5338.0581675362
3√n 305.43739090544
4√n 73.062015901125
5√n 30.970863973724

Divisors of 28494865

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 -28494864
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 28494865 can be divided by 8 positive divisors. The sum of these divisors (counting 28494865) is 1, the average is 0.125.

Base conversion 28494865

Base System Value
2 Binary 1101100101100110000010001
3 Ternary 1222121200121101
4 Quaternary 1230230300101
5 Quinary 24243313430
6 Senary 2454424401
8 Octal 154546021
10 Decimal 28494865
12 Duodecimal 9662101
16 Hexadecimal 1b2cc11
20 Vigesimal 8i1h35
36 Base36 gyqs1

Cryptographic Hash Functions

md5 eeff5158b1389b7915e08cf95effcc03
sha1 b28baca19f1cdbf86650f806eaacaf6b34493108
sha256 6b0deed793bae4b050368d1fd5538761688a28fbc2462ec387385f483db0d534
sha512 6d04b8a906d946aeb593f77b2b0c2ed5286a8e47a9f9506d5dd7c9f8674527bce866bb1183f5b7b2e32b14b04a46de3488ae4655163ab74e8fd1c4cfa7d19b66
ripemd-160 385e54a794e53621889ad7347748b12221b258e7

28494865 as geometric shapes

Circle

Radius = n
Diameter 56989730
Circumference 179038517.09807
Area 2.5508391872548E+15

Sphere

Radius = n
Volume 9.6914424370047E+22
Surface area 1.0203356749019E+16
Circumference 179038517.09807

Square

Length = n
Perimeter 113979460
Area 811957331368225
Diagonal 40297824.54099

Cube

Length = n
Surface area 4871743988209350
Volume 2.3136614543098E+22
Space diagonal 49354553.934816

Equilateral Triangle

Length = n
Perimeter 85484595
Area 3.5158783787695E+14
Altitude 24677276.967408

Triangular Pyramid

Length = n
Surface area 3.5158783787695E+14
Volume 2.726676172854E+21
Height 13432608.18033