20512149 is an odd 8-digits composite number following 20512148
and preceding 20512150 . In scientific notation, it is written as 2.0512149 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 11031552 positive integers (up to 20512149) that are relatively prime to 20512149.
20512149 has 8 divisors, whose sum is 22753368
The reverse of 20512149 is 94121502
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million five hundred twelve thousand one hundred forty-nine
Scientific notation
2.0512149 × 10^7
Engineering notation
2.0512149 × 10^6
Prime Factorization
21 × 17 × 57457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20512149
Product of the distinct prime numbers
The prime factorization of 20512149 is 21 × 17 × 57457.
Since it has a total of 3 prime factors.
4 , 7 , 85 , 6 , 951 , 400 , 9265 , 8310 , 37246 , 55943 , 240562 , 844428 , 7383850 , 2893062 , 63361752 , 97237869 , 35715202 , 853033709 , 8274483535 , 7789619711
n×2
41024298
n×3
61536447
n×4
82048596
n×5
102560745
n÷2
10256074.5
n÷3
6837383
n÷3
5128037.25
n÷5
4102429.8
n2
420748256598201
n3
8.6304509308325E+21
n4
1.7702909543043E+29
n5
3.6312471828041E+36
2 √n
4529.0340029635
3 √n
273.73923812491
4 √n
67.298098063493
5 √n
29.000282767528
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
-20512148
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 20512149 can be divided by 8 positive divisors.
The sum of these divisors (counting 20512149) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111110110010101
3
Ternary
1102121010101020
4
Quaternary
1032033312111
5
Quinary
20222342044
6
Senary
2011351353
8
Octal
116176625
10
Decimal
20512149
12
Duodecimal
6a52559
16
Hexadecimal
138fd95
20
Vigesimal
684079
36
Base36
c7n9x
md5
1de60556587c415d6baf4f3823252d98
sha1
4e83d63c84bca1e40213ddf8f2aba2e30747c819
sha256
17216c6a24c51f12a7e31214fef0ea00421efcff59d00b0161ad7314196b6df0
sha512
c5ac676bf5cb631567201bcf8e49e6a1fc0fb72e8341daf0ab91cb746bbed0ad24c9cc0220b3a2d96f99b580afeb8ea4690cd8d1d0a552737a05efa1006a5691
ripemd-160
a11760c957f338ecf9e84a0edc7d8f2427d8187c
Diameter
41024298
Circumference
128881633.21548
Area
1.3218196319396E+15
Volume
3.6151148321961E+22
Surface area
5.2872785277585E+15
Circumference
128881633.21548
Perimeter
82048596
Area
420748256598201
Diagonal
29008559.309218
Surface area
2524489539589206
Volume
8.6304509308325E+21
Space diagonal
35528084.240423
Perimeter
61536447
Area
1.8218933940603E+14
Altitude
17764042.120212
Surface area
1.8218933940603E+14
Volume
1.0171083963149E+21
Height
9669519.7697392