20122518 is an even 8-digits composite number following 20122517
and preceding 20122519 . In scientific notation, it is written as 2.0122518 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6191520 positive integers (up to 20122518) that are relatively prime to 20122518.
20122518 has 16 divisors, whose sum is 43340976
The reverse of 20122518 is 81522102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-two thousand five hundred eighteen
Scientific notation
2.0122518 × 10^7
Engineering notation
2.0122518 × 10^6
Prime Factorization
2 × 3 × 13 × 257981
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20122518
Product of the distinct prime numbers
The prime factorization of 20122518 is 2 × 3 × 13 × 257981.
Since it has a total of 4 prime factors.
4 , 9 , 27 , 9 , 585 , 314 , 3400 , 6437 , 6395 , 78106 , 39057 , 574680 , 1276405 , 652302 , 44166513 , 28556646 , 886085712 , 576009309 , 1899165895 , 5551284693
n×2
40245036
n×3
60367554
n×4
80490072
n×5
100612590
n÷2
10061259
n÷3
6707506
n÷3
5030629.5
n÷5
4024503.6
n2
404915730660324
n3
8.1479240786955E+21
n4
1.6395674893618E+29
n5
3.2992226316898E+36
2 √n
4485.8129697971
3 √n
271.99490871381
4 √n
66.976211969602
5 √n
28.889263153075
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 257981 , 515962 , 773943 , 1547886 , 3353753 , 6707506 , 10061259 , 20122518
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
-20122517
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 20122518 can be divided by 16 positive divisors.
The sum of these divisors (counting 20122518) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000101110010110
3
Ternary
1101212022220110
4
Quaternary
1030300232112
5
Quinary
20122410033
6
Senary
1555143450
8
Octal
114605626
10
Decimal
20122518
12
Duodecimal
68a4b86
16
Hexadecimal
1330b96
20
Vigesimal
65f65i
36
Base36
bzamu
md5
a8d7b808e0d1995c47fde70f6793fde6
sha1
f044c46336b1f83c498f735854288e29c97524c9
sha256
600cacbaca1a53a9c07b6286085679aa64da691d0b2d570f9a7ddbc30d773973
sha512
5db449ae6528e916c0b2b56b41b43bafe95434da16799f729f7a35f15d80e7f9e67dabea2f2fe3725d5fcaaf429e16d4fe45fa9dc7429010251ee9a3610e1068
ripemd-160
4ee222a1c8b074c08c002bfcb9daef0993572b70
Diameter
40245036
Circumference
126433509.44106
Area
1.2720802847654E+15
Volume
3.4129944570183E+22
Surface area
5.0883211390617E+15
Circumference
126433509.44106
Perimeter
80490072
Area
404915730660324
Diagonal
28457537.864697
Surface area
2429494383961944
Volume
8.1479240786955E+21
Space diagonal
34853223.552219
Perimeter
60367554
Area
1.7533365457189E+14
Altitude
17426611.77611
Surface area
1.7533365457189E+14
Volume
9.6024206143979E+20
Height
9485845.9548989