21039909 is an odd 8-digits composite number following 21039908
and preceding 21039910 . In scientific notation, it is written as 2.1039909 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 12751440 positive integers (up to 21039909) that are relatively prime to 21039909.
21039909 has 4 divisors, whose sum is 21677516
The reverse of 21039909 is 90993012
Previous prime number is 33
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million thirty-nine thousand nine hundred nine
Scientific notation
2.1039909 × 10^7
Engineering notation
2.1039909 × 10^6
Prime Factorization
33 × 637573
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21039909
Product of the distinct prime numbers
The prime factorization of 21039909 is 33 × 637573.
Since it has a total of 2 prime factors.
5 , 5 , 11 , 10 , 705 , 356 , 2027 , 5042 , 30514 , 28159 , 578455 , 779543 , 647794 , 8785529 , 77183692 , 42614984 , 833645553 , 672602545 , 140276912 , 2835156589
n×2
42079818
n×3
63119727
n×4
84159636
n×5
105199545
n÷2
10519954.5
n÷3
7013303
n÷3
5259977.25
n÷5
4207981.8
n2
442677770728281
n3
9.3139000124459E+21
n4
1.9596360869696E+29
n5
4.1230564942957E+36
2 √n
4586.9280569898
3 √n
276.06707831912
4 √n
67.726863628768
5 √n
29.148000709399
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
-21039908
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 21039909 can be divided by 4 positive divisors.
The sum of these divisors (counting 21039909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010000101100100101
3
Ternary
1110120221022220
4
Quaternary
1100100230211
5
Quinary
20341234114
6
Senary
2030542553
8
Octal
120205445
10
Decimal
21039909
12
Duodecimal
7067a59
16
Hexadecimal
1410b25
20
Vigesimal
6b9jf9
36
Base36
ciyhx
md5
248a5fc87bf81dccb0a708225f392496
sha1
f35ff11d8568adcd24e20933126f3bbb03ebd5cd
sha256
6481e84a81c8a3a312dd7cb8d7dd73f5ca01f1cd4c164506b396627f24adce8e
sha512
f8a88b0008bfba37fdbe36502860c0215dd98a8b8d2616d7a5eb7e12e726f74f805701e996e1c3dcffe7c6c153da37455281e558b4b9c93ba0b2dc4e6c410464
ripemd-160
d35e41c66566aa4e82eff1b320e0849d08f894b3
Diameter
42079818
Circumference
132197647.0932
Area
1.3907132324275E+15
Volume
3.9013973140493E+22
Surface area
5.5628529297099E+15
Circumference
132197647.0932
Perimeter
84159636
Area
442677770728281
Diagonal
29754924.658896
Surface area
2656066624369686
Volume
9.3139000124459E+21
Space diagonal
36442191.374626
Perimeter
63119727
Area
1.9168509757068E+14
Altitude
18221095.687313
Surface area
1.9168509757068E+14
Volume
1.0976536430157E+21
Height
9918308.2196319