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.
28491609 has 8 divisors, whose sum is 38013472
The reverse of 28491609 is 90619482
Previous prime number is 3043
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred ninety-one thousand six hundred nine
Scientific notation
2.8491609 × 10^7
Engineering notation
2.8491609 × 10^6
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.
2 , 8 , 62 , 32 , 243 , 200 , 5090 , 1460 , 75210 , 17575 , 66306 , 191662 , 5970847 , 631648 , 98224258 , 25961306 , 443095856 , 939405779 , 7851958638 , 8839046711
n×2
56983218
n×3
85474827
n×4
113966436
n×5
142458045
n÷2
14245804.5
n÷3
9497203
n÷3
7122902.25
n÷5
5698321.8
n2
811771783408881
n3
2.3128684250119E+22
n4
6.5897342833884E+29
n5
1.877521326162E+37
2 √n
5337.7531790071
3 √n
305.42575673877
4 √n
73.059928681919
5 √n
30.970156156772
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
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
md5
ea50d43ba2a4c630f6a746113bf78c31
sha1
cc9e169d6a26ec4ce72732911d00f83e844115d5
sha256
7775b5e18446100ce26bd4e46e8624aec8187d48b801011b78d26dcb01d777f9
sha512
011fd2af8a921a7c55766f09776174523372d8fc63ce328280c4a967e36c9973c1dc76d266542d3852d6f4219fbe8d561c010f4151311eab5ed3ebc30f24b2d3
ripemd-160
140601244ab02237fa9e0aade4e26df0db48089b
Diameter
56983218
Circumference
179018059.04671
Area
2.5502562711488E+15
Volume
9.6881206036494E+22
Surface area
1.0201025084595E+16
Circumference
179018059.04671
Perimeter
113966436
Area
811771783408881
Diagonal
40293219.861631
Surface area
4870630700453286
Volume
2.3128684250119E+22
Space diagonal
49348914.377387
Perimeter
85474827
Area
3.5150749325374E+14
Altitude
24674457.188693
Surface area
3.5150749325374E+14
Volume
2.7257415788636E+21
Height
13431073.28721