20381505 is an odd 8-digits composite number following 20381504
and preceding 20381506 . In scientific notation, it is written as 2.0381505 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 10808640 positive integers (up to 20381505) that are relatively prime to 20381505.
20381505 has 8 divisors, whose sum is 21863296
The reverse of 20381505 is 50518302
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million three hundred eighty-one thousand five hundred five
Scientific notation
2.0381505 × 10^7
Engineering notation
2.0381505 × 10^6
Prime Factorization
15 × 181 × 7507
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20381505
Product of the distinct prime numbers
The prime factorization of 20381505 is 15 × 181 × 7507.
Since it has a total of 3 prime factors.
9 , 2 , 9 , 6 , 89 , 238 , 2502 , 8464 , 5551 , 27276 , 310388 , 316850 , 7983926 , 5899771 , 92977199 , 96960003 , 780589822 , 77542092 , 26981679 , 8337386871
n×2
40763010
n×3
61144515
n×4
81526020
n×5
101907525
n÷2
10190752.5
n÷3
6793835
n÷3
5095376.25
n÷5
4076301
n2
415405746065025
n3
8.466594290453E+21
n4
1.7256193386384E+29
n5
3.5170719178555E+36
2 √n
4514.5880210712
3 √n
273.15684207581
4 √n
67.190684034851
5 √n
28.96324713294
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
-20381504
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 20381505 can be divided by 8 positive divisors.
The sum of these divisors (counting 20381505) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101101111111101000001
3
Ternary
1102100111011120
4
Quaternary
1031233331001
5
Quinary
20204202010
6
Senary
2004502453
8
Octal
115577501
10
Decimal
20381505
12
Duodecimal
69aaa29
16
Hexadecimal
136ff41
20
Vigesimal
677df5
36
Base36
c4ugx
md5
3c7a2936a378e40c65678ae8395de247
sha1
454e3ef1aa5b04072da336c9497bba08f9dc586e
sha256
4591e74dee2515a0020d42807774c2c674e8a6679266a42b403de34000f716a2
sha512
779be879dd8e4dd4f796ac3ab3bd0fe6b1734d41f4a193ebee2644f8b2758557138e8252c782e7d42cf428c5261bfe84548bf52d6f91371ff13d70fc052ba78c
ripemd-160
094daffc77197e388ec8a69409768656bf085d31
Diameter
40763010
Circumference
128060772.75421
Area
1.3050356400969E+15
Volume
3.546478723175E+22
Surface area
5.2201425603875E+15
Circumference
128060772.75421
Perimeter
81526020
Area
415405746065025
Diagonal
28823800.792575
Surface area
2492434476390150
Volume
8.466594290453E+21
Space diagonal
35301802.194719
Perimeter
61144515
Area
1.7987596448517E+14
Altitude
17650901.09736
Surface area
1.7987596448517E+14
Volume
9.9779770605577E+20
Height
9607933.597525