28498909 is an odd 8-digits composite number following 28498908
and preceding 28498910 . In scientific notation, it is written as 2.8498909 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 26319216 positive integers (up to 28498909) that are relatively prime to 28498909.
28498909 has 8 divisors, whose sum is 30764160
The reverse of 28498909 is 90989482
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-eight million four hundred ninety-eight thousand nine hundred nine
Scientific notation
2.8498909 × 10^7
Engineering notation
2.8498909 × 10^6
Prime Factorization
29 × 23 × 42727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28498909
Product of the distinct prime numbers
The prime factorization of 28498909 is 29 × 23 × 42727.
Since it has a total of 3 prime factors.
10 , 7 , 2 , 92 , 432 , 552 , 9043 , 1980 , 24149 , 44598 , 21656 , 24517 , 993103 , 5323297 , 59243162 , 90085989 , 771683582 , 85640524 , 6986459514 , 8961103381
n×2
56997818
n×3
85496727
n×4
113995636
n×5
142494545
n÷2
14249454.5
n÷3
9499636.3333333
n÷3
7124727.25
n÷5
5699781.8
n2
812187814190281
n3
2.3146466607518E+22
n4
6.5964904551919E+29
n5
1.8799278120188E+37
2 √n
5338.4369435257
3 √n
305.45183947809
4 √n
73.064608009115
5 √n
30.971743002732
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
-28498908
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 28498909 can be divided by 8 positive divisors.
The sum of these divisors (counting 28498909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100101101101111011101
3
Ternary
1222121220011011
4
Quaternary
1230231233131
5
Quinary
24243431114
6
Senary
2454455221
8
Octal
154555735
10
Decimal
28498909
12
Duodecimal
9664511
16
Hexadecimal
1b2dbdd
20
Vigesimal
8i2759
36
Base36
gytwd
md5
731b33b56642e798096e1daf9c9e731d
sha1
7f1f80d6c0f8f1590e1ef2471294997e4b0d0f5f
sha256
342c77886db5a2d2d1acf02ce50983fc6ca46b4b8b5d1f0415fed6257255e396
sha512
3a9a81ec25361b0d9e444542993e76ea771152e6e8d3d0ba987ff7f3aa6c91d51ed0e44ed22ad65dff672f5b677cdfef63956282b5d977638a2925703c613c60
ripemd-160
62f793bac90f2b172f2c59d258d0f24bc088f219
Diameter
56997818
Circumference
179063926.29945
Area
2.5515632703953E+15
Volume
9.6955692600986E+22
Surface area
1.0206253081581E+16
Circumference
179063926.29945
Perimeter
113995636
Area
812187814190281
Diagonal
40303543.620637
Surface area
4873126885141686
Volume
2.3146466607518E+22
Space diagonal
49361558.348282
Perimeter
85496727
Area
3.5168763986647E+14
Altitude
24680779.174141
Surface area
3.5168763986647E+14
Volume
2.7278372497806E+21
Height
13434514.540212