20123615 is an odd 8-digits composite number following 20123614
and preceding 20123616 . In scientific notation, it is written as 2.0123615 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 16098888 positive integers (up to 20123615) that are relatively prime to 20123615.
20123615 has 4 divisors, whose sum is 24148344
The reverse of 20123615 is 51632102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-three thousand six hundred fifteen
Scientific notation
2.0123615 × 10^7
Engineering notation
2.0123615 × 10^6
Prime Factorization
5 × 4024723
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123615
Product of the distinct prime numbers
The prime factorization of 20123615 is 5 × 4024723.
Since it has a total of 2 prime factors.
7 , 5 , 66 , 19 , 950 , 108 , 4800 , 3917 , 80916 , 72169 , 674485 , 57214 , 1975556 , 8470602 , 37782700 , 21794785 , 562203173 , 405833083 , 8811127381 , 7665908621
n×2
40247230
n×3
60370845
n×4
80494460
n×5
100618075
n÷2
10061807.5
n÷3
6707871.6666667
n÷3
5030903.75
n÷5
4024723
n2
404959880668225
n3
8.1492567290133E+21
n4
1.6399250495082E+29
n5
3.300122032516E+36
2 √n
4485.9352425108
3 √n
271.99985131912
4 √n
66.977124770408
5 √n
28.889578131853
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20123614
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20123615 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123615) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000111111011111
3
Ternary
1101212101102002
4
Quaternary
1030300333133
5
Quinary
20122423430
6
Senary
1555152515
8
Octal
114607737
10
Decimal
20123615
12
Duodecimal
68a573b
16
Hexadecimal
1330fdf
20
Vigesimal
65f90f
36
Base36
bzbhb
md5
b3213a72498affcd9e5151dbb2f1c9c2
sha1
03398f468a5bd8cad532f2d3850b5dc84d098470
sha256
46e2335eca0523793e6e5088de8236b3618f225beec61dead250ec76c084d453
sha512
cf25131857aeec2bbf81a916fa30f845722b913f11ef467ec602b6b548c25c0478c4071ee733fc70e2d6d6d95faf8b2e1f4525158e4f2b8762c53413ddbf78f6
ripemd-160
b4c4a5d3df7c5d4a8fc55a8983516429812cb2ed
Diameter
40247230
Circumference
126440402.09534
Area
1.2722189861059E+15
Volume
3.4135526762781E+22
Surface area
5.0888759444236E+15
Circumference
126440402.09534
Perimeter
80494460
Area
404959880668225
Diagonal
28459089.256975
Surface area
2429759284009350
Volume
8.1492567290133E+21
Space diagonal
34855123.611955
Perimeter
60370845
Area
1.753527720861E+14
Altitude
17427561.805978
Surface area
1.753527720861E+14
Volume
9.603991157859E+20
Height
9486363.0856582