20131381 is an odd 8-digits prime number following 20131380
and preceding 20131382 . In scientific notation, it is written as 2.0131381 × 10^7.
The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors.
There are 20131380 positive integers (up to 20131381) that are relatively prime to 20131381.
20131381 has 2 divisors, whose sum is 20131382
The reverse of 20131381 is 18313102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred thirty-one thousand three hundred eighty-one
Scientific notation
2.0131381 × 10^7
Engineering notation
2.0131381 × 10^6
Prime Factorization
20131381
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20131381
Product of the distinct prime numbers
The prime factorization of 20131381 is 20131381.
Since it has a total of 1 prime factors.
4 , 9 , 14 , 69 , 554 , 938 , 115 , 352 , 46686 , 36974 , 660930 , 770132 , 1747666 , 2630342 , 18760217 , 80999181 , 135998381 , 587308166 , 8419509725 , 2297244759
n×2
40262762
n×3
60394143
n×4
80525524
n×5
100656905
n÷2
10065690.5
n÷3
6710460.3333333
n÷3
5032845.25
n÷5
4026276.2
n2
405272500967161
n3
8.1586951257928E+21
n4
1.6424580004018E+29
n5
3.3064947782586E+36
2 √n
4486.8007533208
3 √n
272.03483640463
4 √n
66.983585700683
5 √n
28.891807570637
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20131382
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10065691
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4486.8008647588
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999006526
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131381 can be divided by 2 positive divisors.
The sum of these divisors (counting 20131381) is 20131382, the average is 10065691.
Base
System
Value
2
Binary
1001100110010111000110101
3
Ternary
1101212210001201
4
Quaternary
1030302320311
5
Quinary
20123201011
6
Senary
1555252501
8
Octal
114627065
10
Decimal
20131381
12
Duodecimal
68aa131
16
Hexadecimal
1332e35
20
Vigesimal
65g891
36
Base36
bzhh1
md5
2adaf2e3b51ae9ffb9b50a61e405d3c3
sha1
64d0b9f4f5093125359e677e6d0930b721342528
sha256
6e325a7dc948e824a0e16dad6ab30e1be87fdcdfc48ee83d21b57242d84185e4
sha512
3db91e6d43c7e7cf6a302b245a2c96689b62034f30a74e4621cf686f104c552f21359a1fba02e998c92e44a9f0d2bc9d868eb998936c095041ae9cdb4bb90bb4
ripemd-160
de7468ab7aa686f0c647aeadaacd391c743fa2db
Diameter
40262762
Circumference
126489197.31243
Area
1.2732011117404E+15
Volume
3.4175062226759E+22
Surface area
5.0928044469616E+15
Circumference
126489197.31243
Perimeter
80525524
Area
405272500967161
Diagonal
28470072.0395
Surface area
2431635005802966
Volume
8.1586951257928E+21
Space diagonal
34868574.718527
Perimeter
60394143
Area
1.7548814064641E+14
Altitude
17434287.359263
Surface area
1.7548814064641E+14
Volume
9.6151144151362E+20
Height
9490024.0131667