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.
28494865 has 8 divisors, whose sum is 39078720
The reverse of 28494865 is 56849482
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million four hundred ninety-four thousand eight hundred sixty-five
Scientific notation
2.8494865 × 10^7
Engineering notation
2.8494865 × 10^6
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.
4 , 4 , 11 , 89 , 45 , 490 , 4405 , 4339 , 43774 , 11320 , 625035 , 154332 , 68581 , 6939518 , 57167308 , 589874 , 81928417 , 72766730 , 788487495 , 2768666153
n×2
56989730
n×3
85484595
n×4
113979460
n×5
142474325
n÷2
14247432.5
n÷3
9498288.3333333
n÷3
7123716.25
n÷5
5698973
n2
811957331368225
n3
2.3136614543098E+22
n4
6.5927470796261E+29
n5
1.8785943801309E+37
2 √n
5338.0581675362
3 √n
305.43739090544
4 √n
73.062015901125
5 √n
30.970863973724
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
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
md5
eeff5158b1389b7915e08cf95effcc03
sha1
b28baca19f1cdbf86650f806eaacaf6b34493108
sha256
6b0deed793bae4b050368d1fd5538761688a28fbc2462ec387385f483db0d534
sha512
6d04b8a906d946aeb593f77b2b0c2ed5286a8e47a9f9506d5dd7c9f8674527bce866bb1183f5b7b2e32b14b04a46de3488ae4655163ab74e8fd1c4cfa7d19b66
ripemd-160
385e54a794e53621889ad7347748b12221b258e7
Diameter
56989730
Circumference
179038517.09807
Area
2.5508391872548E+15
Volume
9.6914424370047E+22
Surface area
1.0203356749019E+16
Circumference
179038517.09807
Perimeter
113979460
Area
811957331368225
Diagonal
40297824.54099
Surface area
4871743988209350
Volume
2.3136614543098E+22
Space diagonal
49354553.934816
Perimeter
85484595
Area
3.5158783787695E+14
Altitude
24677276.967408
Surface area
3.5158783787695E+14
Volume
2.726676172854E+21
Height
13432608.18033