21129612 is an even 8-digits composite number following 21129611
and preceding 21129613 . In scientific notation, it is written as 2.1129612 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 6037008 positive integers (up to 21129612) that are relatively prime to 21129612.
21129612 has 12 divisors, whose sum is 38737776
The reverse of 21129612 is 21692112
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred twenty-nine thousand six hundred twelve
Scientific notation
2.1129612 × 10^7
Engineering notation
2.1129612 × 10^6
Prime Factorization
2 × 2 × 21 × 251543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10564806
Product of the distinct prime numbers
The prime factorization of 21129612 is 2 × 2 × 21 × 251543.
Since it has a total of 4 prime factors.
3 , 4 , 11 , 95 , 181 , 210 , 218 , 9389 , 46433 , 44347 , 848178 , 872412 , 8446763 , 7125878 , 90114549 , 99935390 , 617920480 , 231511321 , 5294071830 , 6169169484
n×2
42259224
n×3
63388836
n×4
84518448
n×5
105648060
n÷2
10564806
n÷3
7043204
n÷3
5282403
n÷5
4225922.4
n2
446460503270544
n3
9.4335372074313E+21
n4
1.9932698098059E+29
n5
4.2117017692512E+36
2 √n
4596.6957697894
3 √n
276.45885654512
4 √n
67.798936347036
5 √n
29.172812750803
1 , 2 , 4 , 21 , 42 , 84 , 251543 , 503086 , 1006172 , 5282403 , 10564806 , 21129612
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21129611
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21129612 can be divided by 12 positive divisors.
The sum of these divisors (counting 21129612) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100110100110001100
3
Ternary
1110202111101020
4
Quaternary
1100212212030
5
Quinary
20402121422
6
Senary
2032514140
8
Octal
120464614
10
Decimal
21129612
12
Duodecimal
70ab950
16
Hexadecimal
142698c
20
Vigesimal
6c140c
36
Base36
ckvpo
md5
294d1180740351546540d52f0db6f7b8
sha1
617b8277fbd7f37b336c204a3b9b29184fdc2ca1
sha256
a05a8142e9b698db66ab86eaf97db7b4801a18d49837694ba3d143b996ea97e9
sha512
5ba8e53049611b8f2893817d257f3120996c8b564f016b0dc60f4d1d9b9b2d97db20e8c36c5839bfa605ab1519556f1a1ee615c89a1815d1908c4d205679e0e6
ripemd-160
16f964df7fc90edec6ae85c51793fff3e5204e84
Diameter
42259224
Circumference
132761267.66481
Area
1.4025970371927E+15
Volume
3.9515108250976E+22
Surface area
5.610388148771E+15
Circumference
132761267.66481
Perimeter
84518448
Area
446460503270544
Diagonal
29881783.858081
Surface area
2678763019623264
Volume
9.4335372074313E+21
Space diagonal
36597561.528217
Perimeter
63388836
Area
1.9332306880934E+14
Altitude
18298780.764109
Surface area
1.9332306880934E+14
Volume
1.1117530216584E+21
Height
9960594.6193604