21202009 is an odd 8-digits composite number following 21202008
and preceding 21202010 . In scientific notation, it is written as 2.1202009 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 19954816 positive integers (up to 21202009) that are relatively prime to 21202009.
21202009 has 4 divisors, whose sum is 22449204
The reverse of 21202009 is 90020212
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million two hundred two thousand nine
Scientific notation
2.1202009 × 10^7
Engineering notation
2.1202009 × 10^6
Prime Factorization
17 × 1247177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21202009
Product of the distinct prime numbers
The prime factorization of 21202009 is 17 × 1247177.
Since it has a total of 2 prime factors.
9 , 8 , 36 , 39 , 458 , 87 , 8895 , 2871 , 52728 , 63227 , 336346 , 905801 , 8190309 , 8206611 , 6872233 , 56300263 , 643384854 , 48656830 , 2711977120 , 3130404814
n×2
42404018
n×3
63606027
n×4
84808036
n×5
106010045
n÷2
10601004.5
n÷3
7067336.3333333
n÷3
5300502.25
n÷5
4240401.8
n2
449525185636081
n3
9.5308370315829E+21
n4
2.0207289252115E+29
n5
4.2843512858895E+36
2 √n
4604.5639315792
3 √n
276.77424293531
4 √n
67.856937239896
5 √n
29.192776538737
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
-21202008
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 21202009 can be divided by 4 positive divisors.
The sum of these divisors (counting 21202009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000111000010001011001
3
Ternary
1110220011200121
4
Quaternary
1100320101121
5
Quinary
20411431014
6
Senary
2034233241
8
Octal
120702131
10
Decimal
21202009
12
Duodecimal
7125821
16
Hexadecimal
1438459
20
Vigesimal
6ca509
36
Base36
cmfkp
md5
18f7e5193ce39ed3aad6e61d4a553536
sha1
fee756de867aa05c29386ffbf65d11b2f593a58f
sha256
e923a02fd04df2fbf72d6ecce899ec25b52e95b88da9fcd213e94e165354ddcb
sha512
a347ee7704cea1ddb5a2fe4c985c3dc5a78340024bd4085b38adb9d53c044f11880415265e0ce9400502a0251d10adf96030907e716d9c2c88de1e23aa3e34a8
ripemd-160
768da38b8f9361a5fa550f623d352fd4b1887190
Diameter
42404018
Circumference
133216151.43149
Area
1.4122250207979E+15
Volume
3.992267680131E+22
Surface area
5.6489000831916E+15
Circumference
133216151.43149
Perimeter
84808036
Area
449525185636081
Diagonal
29984168.677356
Surface area
2697151113816486
Volume
9.5308370315829E+21
Space diagonal
36722956.810533
Perimeter
63606027
Area
1.9465011520088E+14
Altitude
18361478.405266
Surface area
1.9465011520088E+14
Volume
1.1232199159027E+21
Height
9994722.8924521