21084212 is an even 8-digits composite number following 21084211
and preceding 21084213 . In scientific notation, it is written as 2.1084212 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 6 positive divisors.
There are 10542104 positive integers (up to 21084212) that are relatively prime to 21084212.
21084212 has 6 divisors, whose sum is 36897378
The reverse of 21084212 is 21248012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million eighty-four thousand two hundred twelve
Scientific notation
2.1084212 × 10^7
Engineering notation
2.1084212 × 10^6
Prime Factorization
2 × 2 × 5271053
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10542106
Product of the distinct prime numbers
The prime factorization of 21084212 is 2 × 2 × 5271053.
Since it has a total of 3 prime factors.
4 , 8 , 54 , 54 , 747 , 413 , 1355 , 6355 , 93796 , 15318 , 869804 , 885861 , 519388 , 2789410 , 71928623 , 55791238 , 687401218 , 889029849 , 4702442330 , 4418812019
n×2
42168424
n×3
63252636
n×4
84336848
n×5
105421060
n÷2
10542106
n÷3
7028070.6666667
n÷3
5271053
n÷5
4216842.4
n2
444543995660944
n3
9.3728598478424E+21
n4
1.976193640782E+29
n5
4.1666485675299E+36
2 √n
4591.7547843934
3 √n
276.26071073587
4 √n
67.762488032786
5 √n
29.160265568458
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21084211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21084212 can be divided by 6 positive divisors.
The sum of these divisors (counting 21084212) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000011011100000110100
3
Ternary
1110200012002202
4
Quaternary
1100123200310
5
Quinary
20344143322
6
Senary
2031524032
8
Octal
120334064
10
Decimal
21084212
12
Duodecimal
7089618
16
Hexadecimal
141b834
20
Vigesimal
6bfaac
36
Base36
cjwok
md5
53fa551bbbf48014e8feea63e0895900
sha1
9387482058ea62acf051012ac731ba2137c2ae3e
sha256
43a1ee6069bde8285d8005f0fdb65a15d99c8b86e03ecc4a5a8f9f043ac4b8ff
sha512
53d068828014ca0133db21b52c0abd97ff76ef6e418843a4525c3b7598388ca5291cb72610103d22e9e7302dba02294aa6b393aacaa508d5dce077f056b83938
ripemd-160
c93e77baee465320ecab33ef030ba42e870c9646
Diameter
42168424
Circumference
132476011.05186
Area
1.3965761509659E+15
Volume
3.9260943521478E+22
Surface area
5.5863046038635E+15
Circumference
132476011.05186
Perimeter
84336848
Area
444543995660944
Diagonal
29817578.56235
Surface area
2667263973965664
Volume
9.3728598478424E+21
Space diagonal
36518926.421553
Perimeter
63252636
Area
1.9249319667111E+14
Altitude
18259463.210777
Surface area
1.9249319667111E+14
Volume
1.1046021262534E+21
Height
9939192.8541165