21031329 is an odd 8-digits composite number following 21031328
and preceding 21031330 . In scientific notation, it is written as 2.1031329 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 11996160 positive integers (up to 21031329) that are relatively prime to 21031329.
21031329 has 8 divisors, whose sum is 23393760
The reverse of 21031329 is 92313012
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million thirty-one thousand three hundred twenty-nine
Scientific notation
2.1031329 × 10^7
Engineering notation
2.1031329 × 10^6
Prime Factorization
51 × 11 × 37489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031329
Product of the distinct prime numbers
The prime factorization of 21031329 is 51 × 11 × 37489.
Since it has a total of 3 prime factors.
8 , 9 , 44 , 15 , 509 , 12 , 5474 , 8140 , 68933 , 73617 , 323363 , 5814 , 562041 , 4434946 , 50802700 , 99067525 , 471425977 , 254250830 , 3986491070 , 1447496317
n×2
42062658
n×3
63093987
n×4
84125316
n×5
105156645
n÷2
10515664.5
n÷3
7010443
n÷3
5257832.25
n÷5
4206265.8
n2
442316799506241
n3
9.3025101326428E+21
n4
1.9564415112544E+29
n5
4.1146565092449E+36
2 √n
4585.9926951534
3 √n
276.02954682629
4 √n
67.719957879146
5 √n
29.145623031336
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031328
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031329 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031329) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110100110100001
3
Ternary
1110120111120010
4
Quaternary
1100032212201
5
Quinary
20341000304
6
Senary
2030435133
8
Octal
120164641
10
Decimal
21031329
12
Duodecimal
7062aa9
16
Hexadecimal
140e9a1
20
Vigesimal
6b8i69
36
Base36
cirvl
md5
6eaf0fcf9d1a546f6c6296a3449dcd82
sha1
42d07ce545c1d6c3e83d24934718861ca33b86d8
sha256
6062ec7e9e3bb3efbfaf2f847945fd93b0bb2f8a5749164a7415d2a91117aece
sha512
68acb56c279d63355560019172239cf2a794776537fe9b7f746b4adcb28fb363fb147fefd1f2546d0af0c0b7decd89caac5d2f32ef6d2adf0c5fb68c08509ce3
ripemd-160
3e6dd5a8ff0fcfb7a404db17fa3dcaf574338022
Diameter
42062658
Circumference
132143737.36326
Area
1.3895792078882E+15
Volume
3.896626332354E+22
Surface area
5.5583168315526E+15
Circumference
132143737.36326
Perimeter
84125316
Area
442316799506241
Diagonal
29742790.706531
Surface area
2653900797037446
Volume
9.3025101326428E+21
Space diagonal
36427330.378697
Perimeter
63093987
Area
1.9152879244652E+14
Altitude
18213665.189348
Surface area
1.9152879244652E+14
Volume
1.096311332808E+21
Height
9914263.5688435