21552005 is an odd 8-digits composite number following 21552004
and preceding 21552006 . In scientific notation, it is written as 2.1552005 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 16227328 positive integers (up to 21552005) that are relatively prime to 21552005.
21552005 has 4 divisors, whose sum is 21805644
The reverse of 21552005 is 50025512
Previous prime number is 85
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million five hundred fifty-two thousand five
Scientific notation
2.1552005 × 10^7
Engineering notation
2.1552005 × 10^6
Prime Factorization
85 × 253553
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21552005
Product of the distinct prime numbers
The prime factorization of 21552005 is 85 × 253553.
Since it has a total of 2 prime factors.
3 , 5 , 12 , 89 , 485 , 623 , 1201 , 2025 , 72064 , 38404 , 758365 , 976099 , 1818011 , 8378592 , 5508885 , 55809701 , 839356898 , 44872424 , 9340851067 , 8388836883
n×2
43104010
n×3
64656015
n×4
86208020
n×5
107760025
n÷2
10776002.5
n÷3
7184001.6666667
n÷3
5388001.25
n÷5
4310401
n2
464488919520025
n3
1.001066751594E+22
n4
2.1574995635688E+29
n5
4.6498441381533E+36
2 √n
4642.4137040983
3 √n
278.288905702
4 √n
68.135260358337
5 √n
29.288527367637
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
-21552004
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 21552005 can be divided by 4 positive divisors.
The sum of these divisors (counting 21552005) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001101101110000101
3
Ternary
1111112221210102
4
Quaternary
1102031232011
5
Quinary
21004131010
6
Senary
2045533445
8
Octal
122155605
10
Decimal
21552005
12
Duodecimal
7274285
16
Hexadecimal
148db85
20
Vigesimal
6ee005
36
Base36
ctxmt
md5
80f2a294b86400d636db5cda94887bd2
sha1
bbf65a6de10805689c35b6bf6ab8884a8804a253
sha256
b43c5c667ef9d91f61cb6641a807bfcb4ea7504307302cf1f5d3f930e8a89b7d
sha512
a6d79222172b9b565cb9ddee4d363e2d60403b3d8f84f410cbac285ddc9cf71330e2dc3b7fe97dd7056c957068f9dc3db0dfa1acdc5a16ae925bc7cf4e2959ca
ripemd-160
8c44da4723ce9d44321819824575ee2aac6e02de
Diameter
43104010
Circumference
135415241.15626
Area
1.459234977238E+15
Volume
4.1932586034144E+22
Surface area
5.8369399089519E+15
Circumference
135415241.15626
Perimeter
86208020
Area
464488919520025
Diagonal
30479137.767333
Surface area
2786933517120150
Volume
1.001066751594E+22
Space diagonal
37329167.664978
Perimeter
64656015
Area
2.0112960204036E+14
Altitude
18664583.832489
Surface area
2.0112960204036E+14
Volume
1.1797684807875E+21
Height
10159712.589111