21585008 is an even 8-digits composite number following 21585007
and preceding 21585009 . In scientific notation, it is written as 2.1585008 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 10 positive divisors.
There are 10792496 positive integers (up to 21585008) that are relatively prime to 21585008.
21585008 has 10 divisors, whose sum is 41820984
The reverse of 21585008 is 80058512
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million five hundred eighty-five thousand eight
Scientific notation
2.1585008 × 10^7
Engineering notation
2.1585008 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1349063
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2698126
Product of the distinct prime numbers
The prime factorization of 21585008 is 2 × 2 × 2 × 2 × 1349063.
Since it has a total of 5 prime factors.
3 , 9 , 39 , 49 , 861 , 826 , 2452 , 3657 , 62985 , 29638 , 492935 , 776164 , 4977149 , 6935716 , 46859630 , 13439705 , 370701374 , 612329391 , 8712303105 , 1433716253
n×2
43170016
n×3
64755024
n×4
86340032
n×5
107925040
n÷2
10792504
n÷3
7195002.6666667
n÷3
5396252
n÷5
4317001.6
n2
465912570360064
n3
1.0056726558523E+22
n4
2.1707452321952E+29
n5
4.6855553202896E+36
2 √n
4645.9668530888
3 √n
278.43088297469
4 √n
68.161329601826
5 √n
29.297491895412
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21585007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21585008 can be divided by 10 positive divisors.
The sum of these divisors (counting 21585008) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010010010101110001110000
3
Ternary
1111121122001202
4
Quaternary
1102111301300
5
Quinary
21011210013
6
Senary
2050350332
8
Octal
122256160
10
Decimal
21585008
12
Duodecimal
728b3a8
16
Hexadecimal
1495c70
20
Vigesimal
6ei2a8
36
Base36
cun3k
md5
3b923557f5e5a84b32f4da0a9cdaf766
sha1
8d1d008d4422c3185915fc17070722a69dee641c
sha256
4f390df66528ad70d2743f06230651c6bd2952acb5ff2646a04c02f7eeaa6764
sha512
007f8397bdddc85edb26afba1e77663e78a1b7371fc01c2ca34ed2af846d0d7c38255926399f6aa7ca31491a7e4242a6db4e2b190f3de8fe127447f8e1c39e1d
ripemd-160
fb817b1eaa0f5a54fdadd0ff84b4ce229331a3d6
Diameter
43170016
Circumference
135622605.12095
Area
1.4637075082583E+15
Volume
4.2125517700554E+22
Surface area
5.8548300330333E+15
Circumference
135622605.12095
Perimeter
86340032
Area
465912570360064
Diagonal
30525811.057532
Surface area
2795475422160384
Volume
1.0056726558523E+22
Space diagonal
37386330.537781
Perimeter
64755024
Area
2.0174606093716E+14
Altitude
18693165.26889
Surface area
2.0174606093716E+14
Volume
1.1851965910117E+21
Height
10175270.352511