20351381 is an odd 8-digits prime number following 20351380
and preceding 20351382 . In scientific notation, it is written as 2.0351381 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 20351380 positive integers (up to 20351381) that are relatively prime to 20351381.
20351381 has 2 divisors, whose sum is 20351382
The reverse of 20351381 is 18315302
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million three hundred fifty-one thousand three hundred eighty-one
Scientific notation
2.0351381 × 10^7
Engineering notation
2.0351381 × 10^6
Prime Factorization
20351381
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20351381
Product of the distinct prime numbers
The prime factorization of 20351381 is 20351381.
Since it has a total of 1 prime factors.
2 , 3 , 81 , 15 , 753 , 854 , 6249 , 2466 , 22211 , 2211 , 226426 , 472099 , 8224336 , 9946051 , 74346306 , 74482575 , 158733593 , 839348616 , 4486353568 , 3505349833
n×2
40702762
n×3
61054143
n×4
81405524
n×5
101756905
n÷2
10175690.5
n÷3
6783793.6666667
n÷3
5087845.25
n÷5
4070276.2
n2
414178708607161
n3
8.4291087009523E+21
n4
1.715440026635E+29
n5
3.4911573564698E+36
2 √n
4511.250491826
3 √n
273.02219984328
4 √n
67.165843192995
5 √n
28.954680492426
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20351382
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10175691
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4511.25060266
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999017266
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20351381 can be divided by 2 positive divisors.
The sum of these divisors (counting 20351381) is 20351382, the average is 10175691.
Base
System
Value
2
Binary
1001101101000100110010101
3
Ternary
1102021221211212
4
Quaternary
1031220212111
5
Quinary
20202221011
6
Senary
2004111205
8
Octal
115504625
10
Decimal
20351381
12
Duodecimal
6995505
16
Hexadecimal
1368995
20
Vigesimal
673i91
36
Base36
c4785
md5
5d776b92a95984cb90d0c494f0155a16
sha1
d896215699093f3f8f71724b6fef5986401f9730
sha256
70b53d8ea3d8daab269119a8fbed77f6f124132356561e37a0ee4025e178900f
sha512
ea790a3368875ad2cd8e3d2d61e02b5e2025a929cc2105601aff8f458880507e9f28a7b22413c2c10939a325346f2af9ef600353d7d2935cb26e92fd5d86e285
ripemd-160
396e71b970004b3b0315643fb52f250fad2714ea
Diameter
40702762
Circumference
127871498.08001
Area
1.3011807882336E+15
Volume
3.5307767961629E+22
Surface area
5.2047231529343E+15
Circumference
127871498.08001
Perimeter
81405524
Area
414178708607161
Diagonal
28781199.023222
Surface area
2485072251642966
Volume
8.4291087009523E+21
Space diagonal
35249625.896192
Perimeter
61054143
Area
1.7934464168022E+14
Altitude
17624812.948096
Surface area
1.7934464168022E+14
Volume
9.9337998696699E+20
Height
9593733.0077407