21030129 is an odd 8-digits composite number following 21030128
and preceding 21030130 . In scientific notation, it is written as 2.1030129 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 13822200 positive integers (up to 21030129) that are relatively prime to 21030129.
21030129 has 12 divisors, whose sum is 30805632
The reverse of 21030129 is 92103012
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million thirty thousand one hundred twenty-nine
Scientific notation
2.1030129 × 10^7
Engineering notation
2.1030129 × 10^6
Prime Factorization
3 × 3 × 71 × 32911
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7010043
Product of the distinct prime numbers
The prime factorization of 21030129 is 3 × 3 × 71 × 32911.
Since it has a total of 4 prime factors.
3 , 8 , 33 , 2 , 911 , 972 , 5315 , 9739 , 11180 , 17618 , 680331 , 477999 , 5280047 , 8046737 , 63928640 , 25011202 , 355034142 , 660763817 , 5542697031 , 6382489761
n×2
42060258
n×3
63090387
n×4
84120516
n×5
105150645
n÷2
10515064.5
n÷3
7010043
n÷3
5257532.25
n÷5
4206025.8
n2
442266325756641
n3
9.3009178830182E+21
n4
1.9559950289828E+29
n5
4.1134827782867E+36
2 √n
4585.8618601087
3 √n
276.02429685284
4 √n
67.718991871622
5 √n
29.145290427097
1 , 3 , 9 , 71 , 213 , 639 , 32911 , 98733 , 296199 , 2336681 , 7010043 , 21030129
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
-21030128
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 21030129 can be divided by 12 positive divisors.
The sum of these divisors (counting 21030129) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001110010011110001
3
Ternary
1110120102220200
4
Quaternary
1100032103301
5
Quinary
20340431004
6
Senary
2030425413
8
Octal
120162361
10
Decimal
21030129
12
Duodecimal
7062269
16
Hexadecimal
140e4f1
20
Vigesimal
6b8f69
36
Base36
ciqy9
md5
04bc43c12c5a0c9fb2250d7d4670a27d
sha1
64ce10e6182957b3966e3160a84923a2d3c5549f
sha256
60be211b7cacb2004b50e5909e4e916c97c038288e06e2cc9c3a6a56a7b066e4
sha512
57b88529f88bf83be6bf24c59d0f993963f380f66054bb9facf10714da25508cca5173ff35ab1f23e41593a8b3e11bdddc1641e0e07f3b40e77e00a2c4d20d4d
ripemd-160
f29ac78fed770a35ad0eb357fea418e3481dbb44
Diameter
42060258
Circumference
132136197.54089
Area
1.3894206399272E+15
Volume
3.8959593723909E+22
Surface area
5.5576825597089E+15
Circumference
132136197.54089
Perimeter
84120516
Area
442266325756641
Diagonal
29741093.650256
Surface area
2653597954539846
Volume
9.3009178830182E+21
Space diagonal
36425251.917728
Perimeter
63090387
Area
1.9150693667183E+14
Altitude
18212625.958864
Surface area
1.9150693667183E+14
Volume
1.0961236843902E+21
Height
9913697.8834186