21556937 is an odd 8-digits prime number following 21556936
and preceding 21556938 . In scientific notation, it is written as 2.1556937 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 21556936 positive integers (up to 21556937) that are relatively prime to 21556937.
21556937 has 2 divisors, whose sum is 21556938
The reverse of 21556937 is 73965512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million five hundred fifty-six thousand nine hundred thirty-seven
Scientific notation
2.1556937 × 10^7
Engineering notation
2.1556937 × 10^6
Prime Factorization
21556937
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21556937
Product of the distinct prime numbers
The prime factorization of 21556937 is 21556937.
Since it has a total of 1 prime factors.
2 , 7 , 51 , 17 , 755 , 348 , 3988 , 4347 , 13165 , 61696 , 562278 , 36859 , 6841311 , 5821906 , 78057861 , 77015382 , 735091879 , 824821570 , 9765610279 , 6094218425
n×2
43113874
n×3
64670811
n×4
86227748
n×5
107784685
n÷2
10778468.5
n÷3
7185645.6666667
n÷3
5389234.25
n÷5
4311387.4
n2
464701532821969
n3
1.0017541666847E+22
n4
2.1594751460709E+29
n5
4.6551669676916E+36
2 √n
4642.9448629076
3 √n
278.31013212927
4 √n
68.139158073076
5 √n
29.289867732918
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21556938
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10778469
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4642.9449705979
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999072224
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21556937 can be divided by 2 positive divisors.
The sum of these divisors (counting 21556937) is 21556938, the average is 10778469.
Base
System
Value
2
Binary
1010010001110111011001001
3
Ternary
1111120012120002
4
Quaternary
1102032323021
5
Quinary
21004310222
6
Senary
2050012345
8
Octal
122167311
10
Decimal
21556937
12
Duodecimal
72770b5
16
Hexadecimal
148eec9
20
Vigesimal
6eec6h
36
Base36
cu1ft
md5
4b9f55df5060efa66a87c2a8fd1737b7
sha1
7adb2e36bfda8937ef12276c18167b6f363c0c66
sha256
bc67f1947e1ee9700c8e6c917ea76560392f037cb2a6cbe27722efe0111e0b9c
sha512
c565e47430c2c2a275b8e30f19665ff3d04529cfc780098e9f3e15548df54b54a17f4710c9ec478802fbf8b3bc390289e3430886488dccb784f4331822486831
ripemd-160
9d2dd41bc4787dabdd0eef5939c6a810d411f376
Diameter
43113874
Circumference
135446229.8262
Area
1.4599029216254E+15
Volume
4.1961380410127E+22
Surface area
5.8396116865017E+15
Circumference
135446229.8262
Perimeter
86227748
Area
464701532821969
Diagonal
30486112.668622
Surface area
2788209196931814
Volume
1.0017541666847E+22
Space diagonal
37337710.139561
Perimeter
64670811
Area
2.012216663007E+14
Altitude
18668855.069781
Surface area
2.012216663007E+14
Volume
1.180578607241E+21
Height
10162037.556207