21556739 is an odd 8-digits prime number following 21556738
and preceding 21556740 . In scientific notation, it is written as 2.1556739 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 21556738 positive integers (up to 21556739) that are relatively prime to 21556739.
21556739 has 2 divisors, whose sum is 21556740
The reverse of 21556739 is 93765512
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 seven hundred thirty-nine
Scientific notation
2.1556739 × 10^7
Engineering notation
2.1556739 × 10^6
Prime Factorization
21556739
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21556739 Product of the distinct prime numbers
The prime factorization of 21556739 is 21556739.
Since it has a total of 1 prime factors.
7 , 9 , 5 , 86 , 332 , 166 , 462 , 5127 , 13184 , 11499 , 435441 , 386685 , 9677902 , 9354465 , 16286853 , 33724615 , 344251047 , 545286187 , 3667133726 , 6348020876
n×2
43113478
n×3
64670217
n×4
86226956
n×5
107783695
n÷2
10778369.5
n÷3
7185579.6666667
n÷3
5389184.75
n÷5
4311347.8
n2
464692996314121
n3
1.0017265636671E+22
n4
2.159395808234E+29
n5
4.6549531835793E+36
2 √n4642.9235401846
3 √n278.30928003581
4 √n68.139001608364
5 √n29.28981392736
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21556740 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10778370 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4642.9236478753 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999072216 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21556739 can be divided by 2 positive divisors.
The sum of these divisors (counting 21556739) is 21556740, the average is 10778370.
Base
System
Value
2
Binary
1010010001110111000000011
3
Ternary
1111120012021202
4
Quaternary
1102032320003
5
Quinary
21004303424
6
Senary
2050011415
8
Octal
122167003
10
Decimal
21556739
12
Duodecimal
7276b6b
16
Hexadecimal
148ee03
20
Vigesimal
6eebgj
36
Base36
cu1ab
md5
3e0be24fdabaa80460db4864c9dfc786
sha1
d4665deb8f67bdfc7db1f41964ea1dca4cb92255
sha256
400d9fcdb92496a6acf7a222cfa95bb5576f9df0d17551cc8be7886938a05472
sha512
1f738e0683a6345254b49224f91bd9d8a04a7c879b0db821042ce1168d0fc21df86daa7908c3aacea4a31d97b1eb0f5829f0a4879f6c59735f4b6ee52e284463
ripemd-160
af4e6a86287d2cbd0c2af26f19a60a27307ec47a
Diameter
43113478
Circumference
135444985.75551
Area
1.4598761033951E+15
Volume
4.1960224177633E+22
Surface area
5.8395044135803E+15
Circumference
135444985.75551
Perimeter
86226956
Area
464692996314121
Diagonal
30485832.654337
Surface area
2788157977884726
Volume
1.0017265636671E+22
Space diagonal
37337367.193502
Perimeter
64670217
Area
2.0121796988437E+14
Altitude
18668683.596751
Surface area
2.0121796988437E+14
Volume
1.1805460767729E+21
Height
10161944.218112