28491609 (number)

28491609 is an odd 8-digits composite number following 28491608 and preceding 28491610. In scientific notation, it is written as 2.8491609 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 17771520 positive integers (up to 28491609) that are relatively prime to 28491609.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-one thousand six hundred nine

Notation

Scientific notation 2.8491609 × 10^7
Engineering notation 2.8491609 × 10^6

Prime Factorization of 28491609

Prime Factorization 3 × 3043 × 3121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28491609
Product of the distinct prime numbers

The prime factorization of 28491609 is 3 × 3043 × 3121. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28491609)

Multiplication

n×y
n×2 56983218
n×3 85474827
n×4 113966436
n×5 142458045

Division

n÷y
n÷2 14245804.5
n÷3 9497203
n÷3 7122902.25
n÷5 5698321.8

Exponentiation

ny
n2 811771783408881
n3 2.3128684250119E+22
n4 6.5897342833884E+29
n5 1.877521326162E+37

Nth Root

y√n
2√n 5337.7531790071
3√n 305.42575673877
4√n 73.059928681919
5√n 30.970156156772

Divisors of 28491609

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 -28491608
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 28491609 can be divided by 8 positive divisors. The sum of these divisors (counting 28491609) is 1, the average is 0.125.

Base conversion 28491609

Base System Value
2 Binary 1101100101011111101011001
3 Ternary 1222121112010210
4 Quaternary 1230223331121
5 Quinary 24243212414
6 Senary 2454401333
8 Octal 154537531
10 Decimal 28491609
12 Duodecimal 9660249
16 Hexadecimal 1b2bf59
20 Vigesimal 8i1909
36 Base36 gyo9l

Cryptographic Hash Functions

md5 ea50d43ba2a4c630f6a746113bf78c31
sha1 cc9e169d6a26ec4ce72732911d00f83e844115d5
sha256 7775b5e18446100ce26bd4e46e8624aec8187d48b801011b78d26dcb01d777f9
sha512 011fd2af8a921a7c55766f09776174523372d8fc63ce328280c4a967e36c9973c1dc76d266542d3852d6f4219fbe8d561c010f4151311eab5ed3ebc30f24b2d3
ripemd-160 140601244ab02237fa9e0aade4e26df0db48089b

28491609 as geometric shapes

Circle

Radius = n
Diameter 56983218
Circumference 179018059.04671
Area 2.5502562711488E+15

Sphere

Radius = n
Volume 9.6881206036494E+22
Surface area 1.0201025084595E+16
Circumference 179018059.04671

Square

Length = n
Perimeter 113966436
Area 811771783408881
Diagonal 40293219.861631

Cube

Length = n
Surface area 4870630700453286
Volume 2.3128684250119E+22
Space diagonal 49348914.377387

Equilateral Triangle

Length = n
Perimeter 85474827
Area 3.5150749325374E+14
Altitude 24674457.188693

Triangular Pyramid

Length = n
Surface area 3.5150749325374E+14
Volume 2.7257415788636E+21
Height 13431073.28721