28496987 is an odd 8-digits composite number following 28496986
and preceding 28496988 . In scientific notation, it is written as 2.8496987 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 27959256 positive integers (up to 28496987) that are relatively prime to 28496987.
28496987 has 4 divisors, whose sum is 29034720
The reverse of 28496987 is 78969482
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-eight million four hundred ninety-six thousand nine hundred eighty-seven
Scientific notation
2.8496987 × 10^7
Engineering notation
2.8496987 × 10^6
Prime Factorization
53 × 537679
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28496987
Product of the distinct prime numbers
The prime factorization of 28496987 is 53 × 537679.
Since it has a total of 2 prime factors.
7 , 1 , 65 , 94 , 874 , 205 , 2200 , 6921 , 14560 , 36238 , 525534 , 577188 , 6297125 , 5857302 , 60667150 , 20319466 , 514628968 , 982398083 , 2118075683 , 1141324230
n×2
56993974
n×3
85490961
n×4
113987948
n×5
142484935
n÷2
14248493.5
n÷3
9498995.6666667
n÷3
7124246.75
n÷5
5699397.4
n2
812078268078169
n3
2.3141783848406E+22
n4
6.5947111348484E+29
n5
1.8792939747853E+37
2 √n
5338.2569252519
3 √n
305.4449726464
4 √n
73.063376087147
5 √n
30.971325237294
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
-28496986
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 28496987 can be divided by 4 positive divisors.
The sum of these divisors (counting 28496987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101101010001011011
3
Ternary
1222121210111222
4
Quaternary
1230231101123
5
Quinary
24243400422
6
Senary
2454442255
8
Octal
154552133
10
Decimal
28496987
12
Duodecimal
966338b
16
Hexadecimal
1b2d45b
20
Vigesimal
8i2297
36
Base36
gysez
md5
e47f967f8ac7f0b53a8476da631d661d
sha1
38a4b0cd71aef6556aee9a4c70bc3ff5bedfa108
sha256
1aee1f7aab28409d4e0c6ef264253cea74a2e42f1fd56b80f7d9589b7453fa15
sha512
bbf468198622267aa7aaced418342144f65ae64bd030514fcf490575415df269686b2a7e56b5ef66355016b463c8e48e6bd22e2a5bbb4466edc971f8fbc085cb
ripemd-160
58126a63b18e9730ea7d332cca68ea04fdd1b08d
Diameter
56993974
Circumference
179051850.01729
Area
2.5512191211343E+15
Volume
9.6936077505487E+22
Surface area
1.0204876484537E+16
Circumference
179051850.01729
Perimeter
113987948
Area
812078268078169
Diagonal
40300825.50217
Surface area
4872469608469014
Volume
2.3141783848406E+22
Space diagonal
49358229.34663
Perimeter
85490961
Area
3.5164020500848E+14
Altitude
24679114.673315
Surface area
3.5164020500848E+14
Volume
2.7272853813269E+21
Height
13433608.500723