28702993 is an odd 8-digits composite number following 28702992
and preceding 28702994 . In scientific notation, it is written as 2.8702993 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 24624000 positive integers (up to 28702993) that are relatively prime to 28702993.
28702993 has 16 divisors, whose sum is 33126912
The reverse of 28702993 is 39920782
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million seven hundred two thousand nine hundred ninety-three
Scientific notation
2.8702993 × 10^7
Engineering notation
2.8702993 × 10^6
Prime Factorization
11 × 41 × 31 × 2053
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28702993
Product of the distinct prime numbers
The prime factorization of 28702993 is 11 × 41 × 31 × 2053.
Since it has a total of 4 prime factors.
7 , 10 , 45 , 10 , 966 , 51 , 5942 , 1396 , 31515 , 19558 , 12469 , 943787 , 9497195 , 9375022 , 35491257 , 68011555 , 282345711 , 707836580 , 4145435155 , 1943205846
n×2
57405986
n×3
86108979
n×4
114811972
n×5
143514965
n÷2
14351496.5
n÷3
9567664.3333333
n÷3
7175748.25
n÷5
5740598.6
n2
823861807158049
n3
2.3647299683825E+22
n4
6.7874827729373E+29
n5
1.9482107051924E+37
2 √n
5357.5174288097
3 √n
306.17923129474
4 √n
73.195064238033
5 √n
31.015974933894
1 , 11 , 31 , 41 , 341 , 451 , 1271 , 2053 , 13981 , 22583 , 63643 , 84173 , 700073 , 925903 , 2609363 , 28702993
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
-28702992
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 28702993 can be divided by 16 positive divisors.
The sum of these divisors (counting 28702993) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011111100100010001
3
Ternary
2000000021002211
4
Quaternary
1231133210101
5
Quinary
24321443433
6
Senary
2503112121
8
Octal
155374421
10
Decimal
28702993
12
Duodecimal
9742641
16
Hexadecimal
1b5f911
20
Vigesimal
8j7h9d
36
Base36
h37dd
md5
0306e1e77e8254d62ec6c42940a9a8ec
sha1
7d250b50719fc1c27255a994383689111d0c5d10
sha256
9ed01f6e157ba2879ed9e3636f06f1cd0e4627b7c6c76ad91a24168de00f3a35
sha512
3a3a6a9929161566a0f1d3f112d81e0674ca3b399b6d03097b4850d1097da38ee1559914330f887cc968e45913b94682132ccdc898cbc0afdb0d0f252eb1b780
ripemd-160
effe79df73802dce0f0b5c3bc177c8a7251a85c1
Diameter
57405986
Circumference
180346223.88968
Area
2.5882382009409E+15
Volume
9.9053577285254E+22
Surface area
1.0352952803764E+16
Circumference
180346223.88968
Perimeter
114811972
Area
823861807158049
Diagonal
40592161.9813
Surface area
4943170842948294
Volume
2.3647299683825E+22
Space diagonal
49715042.205294
Perimeter
86108979
Area
3.5674262710331E+14
Altitude
24857521.102647
Surface area
3.5674262710331E+14
Volume
2.7868609938638E+21
Height
13530720.660433