21305983 is an odd 8-digits prime number following 21305982
and preceding 21305984 . In scientific notation, it is written as 2.1305983 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 21305982 positive integers (up to 21305983) that are relatively prime to 21305983.
21305983 has 2 divisors, whose sum is 21305984
The reverse of 21305983 is 38950312
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred five thousand nine hundred eighty-three
Scientific notation
2.1305983 × 10^7
Engineering notation
2.1305983 × 10^6
Prime Factorization
21305983
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21305983
Product of the distinct prime numbers
The prime factorization of 21305983 is 21305983.
Since it has a total of 1 prime factors.
10 , 6 , 85 , 77 , 871 , 408 , 9863 , 9493 , 121 , 96758 , 645733 , 241208 , 4171955 , 7072574 , 14286938 , 8317896 , 473444498 , 733485624 , 5037590477 , 5112342057
n×2
42611966
n×3
63917949
n×4
85223932
n×5
106529915
n÷2
10652991.5
n÷3
7101994.3333333
n÷3
5326495.75
n÷5
4261196.6
n2
453944911596289
n3
9.671742569407E+21
n4
2.0606598276416E+29
n5
4.3904383256515E+36
2 √n
4615.8404435162
3 √n
277.22593616618
4 √n
67.939976770059
5 √n
29.221352634708
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21305984
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10652992
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4615.8405518389
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999061297
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21305983 can be divided by 2 positive divisors.
The sum of these divisors (counting 21305983) is 21305984, the average is 10652992.
Base
System
Value
2
Binary
1010001010001101001111111
3
Ternary
1111002110022111
4
Quaternary
1101101221333
5
Quinary
20423242413
6
Senary
2040354451
8
Octal
121215177
10
Decimal
21305983
12
Duodecimal
7175a27
16
Hexadecimal
1451a7f
20
Vigesimal
6d34j3
36
Base36
consv
md5
886a37db50738e12e40a58029a66606c
sha1
179b15d52a7f7fa6d7e8dcf104076ef6fce683b6
sha256
963f73a39ab5ad37b60b905695ec448ff7c3bd8333f0ac21b596d2c3ca6d7265
sha512
514b7394c881ae0ba89f68dd649d2893fb711c338474b1ea24b4059dfc09a09eccd545d0c0e8c7a039074aadd72d96403dbd06755e8a100f3007adac2e107e06
ripemd-160
0d3f1a5f8727084b221291ab7c974e0d376c7aae
Diameter
42611966
Circumference
133869439.34062
Area
1.4261099994054E+15
Volume
4.0512900537948E+22
Surface area
5.7044399976215E+15
Circumference
133869439.34062
Perimeter
85223932
Area
453944911596289
Diagonal
30131210.118291
Surface area
2723669469577734
Volume
9.671742569407E+21
Space diagonal
36903045.061199
Perimeter
63917949
Area
1.9656391268053E+14
Altitude
18451522.530599
Surface area
1.9656391268053E+14
Volume
1.1398257927864E+21
Height
10043736.706097