20082721 is an odd 8-digits composite number following 20082720
and preceding 20082722 . In scientific notation, it is written as 2.0082721 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 20060352 positive integers (up to 20082721) that are relatively prime to 20082721.
20082721 has 4 divisors, whose sum is 20105092
The reverse of 20082721 is 12728002
Previous prime number is 937
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million eighty-two thousand seven hundred twenty-one
Scientific notation
2.0082721 × 10^7
Engineering notation
2.0082721 × 10^6
Prime Factorization
937 × 21433
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20082721
Product of the distinct prime numbers
The prime factorization of 20082721 is 937 × 21433.
Since it has a total of 2 prime factors.
5 , 5 , 52 , 82 , 571 , 74 , 702 , 3341 , 70576 , 95792 , 804710 , 725388 , 9088956 , 4865114 , 54154448 , 57324312 , 295716550 , 456301363 , 2056475346 , 3569315036
n×2
40165442
n×3
60248163
n×4
80330884
n×5
100413605
n÷2
10041360.5
n÷3
6694240.3333333
n÷3
5020680.25
n÷5
4016544.2
n2
403315682763841
n3
8.0996763318707E+21
n4
1.6266353996326E+29
n5
3.2667264899546E+36
2 √n
4481.3749006304
3 √n
271.81547912681
4 √n
66.943072088383
5 √n
28.877827043421
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
-20082720
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 20082721 can be divided by 4 positive divisors.
The sum of these divisors (counting 20082721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100111000000100001
3
Ternary
1101210022022111
4
Quaternary
1030213000201
5
Quinary
20120121341
6
Senary
1554235321
8
Octal
114470041
10
Decimal
20082721
12
Duodecimal
6885b41
16
Hexadecimal
1327021
20
Vigesimal
65a6g1
36
Base36
byfxd
md5
5dd65559aee62e3f3927615fc4967783
sha1
c851c186cda5432a3b96ecafff4126a15a9abfa9
sha256
55d9ce651024ecda50e02bbb72dc99f0aad92ed75d7b359ee318bd48127200ea
sha512
44e05108d87b67a2af4f8ca2064c52f249ae21655e01944ce728d595a42d001b99d7ef37b4e6163d4a1b0848b52e0214afc137486092ddb8f351724214ea0785
ripemd-160
2a9efc626402b8189dc4e869162d2a46631efa39
Diameter
40165442
Circumference
126183457.51539
Area
1.2670535860484E+15
Volume
3.392784488088E+22
Surface area
5.0682143441937E+15
Circumference
126183457.51539
Perimeter
80330884
Area
403315682763841
Diagonal
28401256.407555
Surface area
2419894096583046
Volume
8.0996763318707E+21
Space diagonal
34784293.12623
Perimeter
60248163
Area
1.7464081350908E+14
Altitude
17392146.563115
Surface area
1.7464081350908E+14
Volume
9.54556009947E+20
Height
9467085.469185