20129451 is an odd 8-digits composite number following 20129450
and preceding 20129452 . In scientific notation, it is written as 2.0129451 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 12741120 positive integers (up to 20129451) that are relatively prime to 20129451.
20129451 has 16 divisors, whose sum is 28227360
The reverse of 20129451 is 15492102
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-nine thousand four hundred fifty-one
Scientific notation
2.0129451 × 10^7
Engineering notation
2.0129451 × 10^6
Prime Factorization
3 × 29 × 61 × 3793
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20129451
Product of the distinct prime numbers
The prime factorization of 20129451 is 3 × 29 × 61 × 3793.
Since it has a total of 4 prime factors.
5 , 8 , 91 , 41 , 150 , 835 , 7105 , 4761 , 8214 , 50267 , 318147 , 413803 , 2756118 , 656 , 98584043 , 74099473 , 491986366 , 878496427 , 3878805286 , 7970455002
n×2
40258902
n×3
60388353
n×4
80517804
n×5
100647255
n÷2
10064725.5
n÷3
6709817
n÷3
5032362.75
n÷5
4025890.2
n2
405194797561401
n3
8.1563488229671E+21
n4
1.6418282397082E+29
n5
3.3049101101623E+36
2 √n
4486.5856728697
3 √n
272.02614277993
4 √n
66.981980210126
5 √n
28.891253576581
1 , 3 , 29 , 61 , 87 , 183 , 1769 , 3793 , 5307 , 11379 , 109997 , 231373 , 329991 , 694119 , 6709817 , 20129451
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129450
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129451 can be divided by 16 positive divisors.
The sum of these divisors (counting 20129451) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010011010101011
3
Ternary
1101212200102020
4
Quaternary
1030302122223
5
Quinary
20123120301
6
Senary
1555235523
8
Octal
114623253
10
Decimal
20129451
12
Duodecimal
68a8ba3
16
Hexadecimal
13326ab
20
Vigesimal
65g3cb
36
Base36
bzfzf
md5
473cb9b1fe2974b81637bf76254158f7
sha1
962b18b2bbd6706d32877bed4b89c5e924e9f81d
sha256
e7140650e2fbe61ebaf1e6a7dae25ca0bbcf08afba05e38c889c8f51a1efdb34
sha512
c7316420ff8cbfd749985cd823f694694dd2ca56e3b137bb6744073520b9039534e7f50fa908d610cea7e37074663c83df15a5da4fa88180f34f8ae9487f601f
ripemd-160
6bf168caafb2463c30b486cffe47425bad31e137
Diameter
40258902
Circumference
126477070.76479
Area
1.2729569992917E+15
Volume
3.4165234056466E+22
Surface area
5.0918279971668E+15
Circumference
126477070.76479
Perimeter
80517804
Area
405194797561401
Diagonal
28467342.607325
Surface area
2431168785368406
Volume
8.1563488229671E+21
Space diagonal
34865231.860468
Perimeter
60388353
Area
1.7545449408473E+14
Altitude
17432615.930234
Surface area
1.7545449408473E+14
Volume
9.6123492707383E+20
Height
9489114.2024416