28491497 is an odd 8-digits composite number following 28491496
and preceding 28491498 . In scientific notation, it is written as 2.8491497 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 28472976 positive integers (up to 28491497) that are relatively prime to 28491497.
28491497 has 4 divisors, whose sum is 28510020
The reverse of 28491497 is 79419482
Previous prime number is 1693
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million four hundred ninety-one thousand four hundred ninety-seven
Scientific notation
2.8491497 × 10^7
Engineering notation
2.8491497 × 10^6
Prime Factorization
1693 × 16829
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28491497
Product of the distinct prime numbers
The prime factorization of 28491497 is 1693 × 16829.
Since it has a total of 2 prime factors.
6 , 8 , 80 , 25 , 688 , 842 , 6929 , 5705 , 88808 , 11090 , 815267 , 598918 , 5666191 , 2243453 , 47091217 , 95464337 , 998719131 , 719896157 , 4902869841 , 3988665229
n×2
56982994
n×3
85474491
n×4
113965988
n×5
142457485
n÷2
14245748.5
n÷3
9497165.6666667
n÷3
7122874.25
n÷5
5698299.4
n2
811765401301009
n3
2.3128411495871E+22
n4
6.5896306674939E+29
n5
1.8774844239401E+37
2 √n
5337.7426876911
3 √n
305.42535653053
4 √n
73.059856882498
5 √n
30.970131808109
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
-28491496
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 28491497 can be divided by 4 positive divisors.
The sum of these divisors (counting 28491497) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101011111011101001
3
Ternary
1222121111222122
4
Quaternary
1230223323221
5
Quinary
24243211442
6
Senary
2454401025
8
Octal
154537351
10
Decimal
28491497
12
Duodecimal
9660175
16
Hexadecimal
1b2bee9
20
Vigesimal
8i18eh
36
Base36
gyo6h
md5
46acf6732aa5f97ddee865ddabcd9a47
sha1
383867320789517651f11c4f4bfff4626b9ba95c
sha256
4653d1d722285b8941df2b08a225c4427d5663e214cdd4667ed8d1ba385b2350
sha512
8057f2381b64afb5faa0d1fe6758af56ef7118d20a949c75c00372970b64d2d63758fe1949850ac3c398ff721f54eb13c5b5b1ce2c5aab288131c6142e36e7c2
ripemd-160
dd83c3cb0d5a779cafe653393a1a9e6d2a8ba51b
Diameter
56982994
Circumference
179017355.32995
Area
2.5502362211656E+15
Volume
9.6880063526175E+22
Surface area
1.0200944884662E+16
Circumference
179017355.32995
Perimeter
113965988
Area
811765401301009
Diagonal
40293061.469712
Surface area
4870592407806054
Volume
2.3128411495871E+22
Space diagonal
49348720.387696
Perimeter
85474491
Area
3.5150472971997E+14
Altitude
24674360.193848
Surface area
3.5150472971997E+14
Volume
2.7257094344673E+21
Height
13431020.489904