28493847 is an odd 8-digits composite number following 28493846
and preceding 28493848 . In scientific notation, it is written as 2.8493847 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 18579456 positive integers (up to 28493847) that are relatively prime to 28493847.
28493847 has 16 divisors, whose sum is 32363520
The reverse of 28493847 is 74839482
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million four hundred ninety-three thousand eight hundred forty-seven
Scientific notation
2.8493847 × 10^7
Engineering notation
2.8493847 × 10^6
Prime Factorization
9 × 97 × 127 × 257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28493847
Product of the distinct prime numbers
The prime factorization of 28493847 is 9 × 97 × 127 × 257.
Since it has a total of 4 prime factors.
4 , 6 , 34 , 9 , 451 , 405 , 585 , 2465 , 75866 , 51726 , 614414 , 510045 , 9599073 , 6630356 , 80616796 , 2394707 , 143059712 , 64331218 , 7049610529 , 2369620216
n×2
56987694
n×3
85481541
n×4
113975388
n×5
142469235
n÷2
14246923.5
n÷3
9497949
n÷3
7123461.75
n÷5
5698769.4
n2
811899316859409
n3
2.3134134913997E+22
n4
6.5918050071678E+29
n5
1.8782588332807E+37
2 √n
5337.9628136584
3 √n
305.43375353702
4 √n
73.061363343825
5 √n
30.970642679185
1 , 9 , 97 , 127 , 257 , 873 , 1143 , 2313 , 12319 , 24929 , 32639 , 110871 , 224361 , 293751 , 3165983 , 28493847
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28493846
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28493847 can be divided by 16 positive divisors.
The sum of these divisors (counting 28493847) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101100100000010111
3
Ternary
1222121122012200
4
Quaternary
1230230200113
5
Quinary
24243300342
6
Senary
2454415543
8
Octal
154544027
10
Decimal
28493847
12
Duodecimal
96615b3
16
Hexadecimal
1b2c817
20
Vigesimal
8i1ec7
36
Base36
gypzr
md5
bb44c162584b191682279b3308a3da6d
sha1
82685ffc753b119a3aaa3f3eccc32eaa183e2b8b
sha256
b5507979bfb052a1821b24a371fd8b717f5f2f7a274211d67c841bb0d8f69faa
sha512
b587233f60f89a524a04d44add21c6043c88455062c93879dffa46240cc3e05aa4d2ae9683e51dd01a9eba66bc99b09d95b413817b357ff0eee6dfdd0bf1974c
ripemd-160
1c04f051bfa2d62c39710407704f66f155ae331a
Diameter
56987694
Circumference
179032120.81542
Area
2.5506569293001E+15
Volume
9.6904037723955E+22
Surface area
1.02026277172E+16
Circumference
179032120.81542
Perimeter
113975388
Area
811899316859409
Diagonal
40296384.871584
Surface area
4871395901156454
Volume
2.3134134913997E+22
Space diagonal
49352790.707094
Perimeter
85481541
Area
3.5156271685774E+14
Altitude
24676395.353547
Surface area
3.5156271685774E+14
Volume
2.7263839457619E+21
Height
13432128.290528