21551361 is an odd 8-digits composite number following 21551360
and preceding 21551362 . In scientific notation, it is written as 2.1551361 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 13043520 positive integers (up to 21551361) that are relatively prime to 21551361.
21551361 has 16 divisors, whose sum is 31456320
The reverse of 21551361 is 16315512
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million five hundred fifty-one thousand three hundred sixty-one
Scientific notation
2.1551361 × 10^7
Engineering notation
2.1551361 × 10^6
Prime Factorization
3 × 13 × 61 × 9059
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21551361
Product of the distinct prime numbers
The prime factorization of 21551361 is 3 × 13 × 61 × 9059.
Since it has a total of 4 prime factors.
9 , 1 , 84 , 72 , 8 , 601 , 8144 , 694 , 25293 , 50244 , 934291 , 431519 , 5137021 , 7775603 , 21662392 , 27090104 , 271309773 , 836027516 , 9152290620 , 6832113467
n×2
43102722
n×3
64654083
n×4
86205444
n×5
107756805
n÷2
10775680.5
n÷3
7183787
n÷3
5387840.25
n÷5
4310272.2
n2
464461160952321
n3
1.0009770150163E+22
n4
2.1572417003318E+29
n5
4.6491494648104E+36
2 √n
4642.3443431094
3 √n
278.2861338046
4 √n
68.134751361617
5 √n
29.288352330214
1 , 3 , 13 , 39 , 61 , 183 , 793 , 2379 , 9059 , 27177 , 117767 , 353301 , 552599 , 1657797 , 7183787 , 21551361
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21551360
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551361 can be divided by 16 positive divisors.
The sum of these divisors (counting 21551361) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001101100100000001
3
Ternary
1111112220220120
4
Quaternary
1102031210001
5
Quinary
21004120421
6
Senary
2045530453
8
Octal
122154401
10
Decimal
21551361
12
Duodecimal
7273a29
16
Hexadecimal
148d901
20
Vigesimal
6edi81
36
Base36
ctx4x
md5
6a5c771a1b0135abfcb6609066b88f84
sha1
9716d08be430e6f021e1cdec66f241436691ca50
sha256
2c84e522c8b550b9aafc87d045d13bbfc4d0c38579fd9b39d28fc3149d38ecdb
sha512
ba666ae319d61a432cf6a158493d6ac8df6a92e9df054d407b4b171c81ab5c9afcf8c946f804b7ef56def5b12449d72029dff3e46f9c0c7979a262ad6dfb381c
ripemd-160
8d453f35c82a8d8db815de19b7e308a17fb20e63
Diameter
43102722
Circumference
135411194.78492
Area
1.4591477711256E+15
Volume
4.1928827157164E+22
Surface area
5.8365910845024E+15
Circumference
135411194.78492
Perimeter
86205444
Area
464461160952321
Diagonal
30478227.013799
Surface area
2786766965713926
Volume
1.0009770150163E+22
Space diagonal
37328052.224258
Perimeter
64654083
Area
2.0111758222796E+14
Altitude
18664026.112129
Surface area
2.0111758222796E+14
Volume
1.1796627252164E+21
Height
10159409.0046