20512398 is an even 8-digits composite number following 20512397
and preceding 20512399 . In scientific notation, it is written as 2.0512398 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6691896 positive integers (up to 20512398) that are relatively prime to 20512398.
20512398 has 16 divisors, whose sum is 41898240
The reverse of 20512398 is 89321502
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred twelve thousand three hundred ninety-eight
Scientific notation
2.0512398 × 10^7
Engineering notation
2.0512398 × 10^6
Prime Factorization
2 × 3 × 47 × 72739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20512398
Product of the distinct prime numbers
The prime factorization of 20512398 is 2 × 3 × 47 × 72739.
Since it has a total of 4 prime factors.
6 , 7 , 21 , 11 , 161 , 909 , 479 , 2811 , 51159 , 73853 , 364450 , 271481 , 7856755 , 55704 , 61719381 , 26969806 , 55203566 , 694050070 , 2415834119 , 6202414114
n×2
41024796
n×3
61537194
n×4
82049592
n×5
102561990
n÷2
10256199
n÷3
6837466
n÷3
5128099.5
n÷5
4102479.6
n2
420758471710404
n3
8.6307652335955E+21
n4
1.7703769151607E+29
n5
3.631467589379E+36
2 √n
4529.0614921858
3 √n
273.74034577408
4 √n
67.298302297946
5 √n
29.000353174927
1 , 2 , 3 , 6 , 47 , 94 , 141 , 282 , 72739 , 145478 , 218217 , 436434 , 3418733 , 6837466 , 10256199 , 20512398
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
-20512397
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 20512398 can be divided by 16 positive divisors.
The sum of these divisors (counting 20512398) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001111111010001110
3
Ternary
1102121010201110
4
Quaternary
1032033322032
5
Quinary
20222344043
6
Senary
2011352450
8
Octal
116177216
10
Decimal
20512398
12
Duodecimal
6a52726
16
Hexadecimal
138fe8e
20
Vigesimal
6840ji
36
Base36
c7ngu
md5
f23e851c97758688245c4839e924de4c
sha1
19894afc9d5c0c4596d5c8cf1fd27dfb3e5cf83a
sha256
8f9e63ec6fbe8b72bdf7e162ed7f87e6e5d47a0e57a68e233b8623aa77acebe2
sha512
2faf8edd1946dccd81199d511272f7ab1536efc3c477aad17c6049f3c727fa71c350a3cbc1dd91987554e1b22e316134cd660eb63135a133739911c7cabae5fb
ripemd-160
fdf3ffa8a8c02f6c9fa52ebc7daf8509c370ead4
Diameter
41024796
Circumference
128883197.72862
Area
1.3218517236611E+15
Volume
3.6152464870296E+22
Surface area
5.2874068946443E+15
Circumference
128883197.72862
Perimeter
82049592
Area
420758471710404
Diagonal
29008911.448395
Surface area
2524550830262424
Volume
8.6307652335955E+21
Space diagonal
35528515.521074
Perimeter
61537194
Area
1.8219376267936E+14
Altitude
17764257.760537
Surface area
1.8219376267936E+14
Volume
1.0171454372508E+21
Height
9669637.1494649