28446721 is an odd 8-digits prime number following 28446720
and preceding 28446722 . In scientific notation, it is written as 2.8446721 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 28446720 positive integers (up to 28446721) that are relatively prime to 28446721.
28446721 has 2 divisors, whose sum is 28446722
The reverse of 28446721 is 12764482
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million four hundred forty-six thousand seven hundred twenty-one
Scientific notation
2.8446721 × 10^7
Engineering notation
2.8446721 × 10^6
Prime Factorization
28446721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28446721
Product of the distinct prime numbers
The prime factorization of 28446721 is 28446721.
Since it has a total of 1 prime factors.
6 , 2 , 59 , 68 , 926 , 350 , 2153 , 7574 , 95278 , 49822 , 189016 , 252259 , 6914826 , 9052788 , 75205392 , 40032057 , 652023743 , 933017660 , 402782318 , 9208916791
n×2
56893442
n×3
85340163
n×4
113786884
n×5
142233605
n÷2
14223360.5
n÷3
9482240.3333333
n÷3
7111680.25
n÷5
5689344.2
n2
809215935651841
n3
2.3019539950242E+22
n4
6.5483043051288E+29
n5
1.862777855911E+37
2 √n
5333.5467561464
3 √n
305.2652748977
4 √n
73.031135525517
5 √n
30.960391420179
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28446722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14223361
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5333.5468498927
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999296931
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28446721 can be divided by 2 positive divisors.
The sum of these divisors (counting 28446721) is 28446722, the average is 14223361.
Base
System
Value
2
Binary
1101100100001000000000001
3
Ternary
1222112020120021
4
Quaternary
1230201000001
5
Quinary
24240243341
6
Senary
2453413441
8
Octal
154410001
10
Decimal
28446721
12
Duodecimal
963a281
16
Hexadecimal
1b21001
20
Vigesimal
8hfgg1
36
Base36
gxpmp
md5
49daa1e451c8d751e9038e51c7303179
sha1
e7807a667e8502b192aac4fb60a7d9ee534da394
sha256
1447a792fd8416b40427c412e9fd40cb95f3c71f20ff1fa4b19d9af51b3cfdda
sha512
c4bb48f72930e59762df83d75504f475a010da59c4544af1303ac5d1ac480e091b5e86ecd54424b51087df227e70bf1cf7b6791b469bde15eb0a8d15df7e6e68
ripemd-160
abf03f9e92c4fc47494039e751408c982ad5604d
Diameter
56893442
Circumference
178736019.42464
Area
2.5422268386116E+15
Volume
9.6424023462262E+22
Surface area
1.0168907354446E+16
Circumference
178736019.42464
Perimeter
113786884
Area
809215935651841
Diagonal
40229738.643244
Surface area
4855295613911046
Volume
2.3019539950242E+22
Space diagonal
49271166.080737
Perimeter
85340163
Area
3.5040077871084E+14
Altitude
24635583.040368
Surface area
3.5040077871084E+14
Volume
2.7128787997684E+21
Height
13409912.881081