21129849 is an odd 8-digits composite number following 21129848
and preceding 21129850 . In scientific notation, it is written as 2.1129849 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 12643776 positive integers (up to 21129849) that are relatively prime to 21129849.
21129849 has 32 divisors, whose sum is 34643840
The reverse of 21129849 is 94892112
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million one hundred twenty-nine thousand eight hundred forty-nine
Scientific notation
2.1129849 × 10^7
Engineering notation
2.1129849 × 10^6
Prime Factorization
9 × 3 × 13 × 37 × 1627
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21129849
Product of the distinct prime numbers
The prime factorization of 21129849 is 9 × 3 × 13 × 37 × 1627.
Since it has a total of 5 prime factors.
6 , 4 , 1 , 19 , 416 , 230 , 8672 , 8438 , 33951 , 24416 , 654276 , 290506 , 1004793 , 4894206 , 80358181 , 38000270 , 103610673 , 707289617 , 547378056 , 7666614348
n×2
42259698
n×3
63389547
n×4
84519396
n×5
105649245
n÷2
10564924.5
n÷3
7043283
n÷3
5282462.25
n÷5
4225969.8
n2
446470518762801
n3
9.4338546444097E+21
n4
1.9933592412432E+29
n5
4.2119379770224E+36
2 √n
4596.7215491043
3 √n
276.45989017357
4 √n
67.799126462694
5 √n
29.172878193799
1 , 3 , 9 , 13 , 27 , 37 , 39 , 111 , 117 , 333 , 351 , 481 , 999 , 1443 , 1627 , 4329 , 4881 , 12987 , 14643 , 21151 , 43929 , 60199 , 63453 , 180597 , 190359 , 541791 , 571077 , 782587 , 1625373 , 2347761 , 7043283 , 21129849
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21129848
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21129849 can be divided by 32 positive divisors.
The sum of these divisors (counting 21129849) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100110101001111001
3
Ternary
1110202111201000
4
Quaternary
1100212221321
5
Quinary
20402123344
6
Senary
2032515213
8
Octal
120465171
10
Decimal
21129849
12
Duodecimal
70abb09
16
Hexadecimal
1426a79
20
Vigesimal
6c14c9
36
Base36
ckvw9
md5
86f56b998adf02de8d4b3f23d3dad5ba
sha1
5ce9681e5f602f803b59c3e59e2b14e033105ad9
sha256
240bf5dab59a44274376aa0c43f578f5cf677e61f31a9ce0483ee2b17daec5a1
sha512
a15c5b4db2ca269e391b7e1ed6562cebd2969cad225bf3a37199d42c96f3714397fd3f3a2f4b6b32352a94898720901b0a86cdd71d2a1e4c2422ddf0664ef32a
ripemd-160
1824a60a4756a3ad6ded79390690abb30b8ef14e
Diameter
42259698
Circumference
132762756.77972
Area
1.4026285017896E+15
Volume
3.9516437927882E+22
Surface area
5.6105140071586E+15
Circumference
132762756.77972
Perimeter
84519396
Area
446470518762801
Diagonal
29882119.026696
Surface area
2678823112576806
Volume
9.4338546444097E+21
Space diagonal
36597972.024258
Perimeter
63389547
Area
1.933274056447E+14
Altitude
18298986.012129
Surface area
1.933274056447E+14
Volume
1.111790431965E+21
Height
9960706.3422319