21352009 is an odd 8-digits composite number following 21352008
and preceding 21352010 . In scientific notation, it is written as 2.1352009 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 18276720 positive integers (up to 21352009) that are relatively prime to 21352009.
21352009 has 8 divisors, whose sum is 24435648
The reverse of 21352009 is 90025312
Previous prime number is 947
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million three hundred fifty-two thousand nine
Scientific notation
2.1352009 × 10^7
Engineering notation
2.1352009 × 10^6
Prime Factorization
7 × 947 × 3221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21352009
Product of the distinct prime numbers
The prime factorization of 21352009 is 7 × 947 × 3221.
Since it has a total of 3 prime factors.
2 , 2 , 6 , 6 , 651 , 649 , 3969 , 4230 , 6484 , 76953 , 969194 , 50096 , 8078616 , 2505469 , 78819587 , 81851682 , 706993554 , 491478243 , 3585784613 , 1932805103
n×2
42704018
n×3
64056027
n×4
85408036
n×5
106760045
n÷2
10676004.5
n÷3
7117336.3333333
n÷3
5338002.25
n÷5
4270401.8
n2
455908288336081
n3
9.7345578757266E+21
n4
2.0785236737354E+29
n5
4.438065618831E+36
2 √n
4620.8234114712
3 √n
277.42541728568
4 √n
67.976638718542
5 √n
29.2339667565
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21352008
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21352009 can be divided by 8 positive divisors.
The sum of these divisors (counting 21352009) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001011100111001001001
3
Ternary
1111011210110011
4
Quaternary
1101130321021
5
Quinary
20431231014
6
Senary
2041351521
8
Octal
121347111
10
Decimal
21352009
12
Duodecimal
71985a1
16
Hexadecimal
145ce49
20
Vigesimal
6d9009
36
Base36
cpnbd
md5
9a4eedaabaac53c97947ac399200ff72
sha1
1fac8e6ade0d3431b1f014a40be20032b59e082c
sha256
af495c969491960cd0131f1ed2f09461488c7b7cd0346ee775541b2c641d1778
sha512
1d830d4b524bc3983f691742d5e4efa0187bbbe769c5c49dd6e88f667336113e8cbe7fec92938fb19069d9c131dad71eb4e514ee39b75ebefa9a6614dc168d7c
ripemd-160
e9e1a3c4772d53dd22c6680149af321542b4fe05
Diameter
42704018
Circumference
134158629.22757
Area
1.4322781293473E+15
Volume
4.077602067777E+22
Surface area
5.7291125173893E+15
Circumference
134158629.22757
Perimeter
85408036
Area
455908288336081
Diagonal
30196300.711712
Surface area
2735449730016486
Volume
9.7345578757266E+21
Space diagonal
36982764.431668
Perimeter
64056027
Area
1.9741407974746E+14
Altitude
18491382.215834
Surface area
1.9741407974746E+14
Volume
1.1472286476299E+21
Height
10065433.570571