20131681 is an odd 8-digits prime number following 20131680
and preceding 20131682 . In scientific notation, it is written as 2.0131681 × 10^7.
The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors.
There are 20131680 positive integers (up to 20131681) that are relatively prime to 20131681.
20131681 has 2 divisors, whose sum is 20131682
The reverse of 20131681 is 18613102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred thirty-one thousand six hundred eighty-one
Scientific notation
2.0131681 × 10^7
Engineering notation
2.0131681 × 10^6
Prime Factorization
20131681
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20131681
Product of the distinct prime numbers
The prime factorization of 20131681 is 20131681.
Since it has a total of 1 prime factors.
5 , 1 , 7 , 46 , 694 , 290 , 1230 , 4592 , 49813 , 77503 , 565691 , 56734 , 8894278 , 7336269 , 45386720 , 37740469 , 968770766 , 398444967 , 703607346 , 1121266420
n×2
40263362
n×3
60395043
n×4
80526724
n×5
100658405
n÷2
10065840.5
n÷3
6710560.3333333
n÷3
5032920.25
n÷5
4026336.2
n2
405284579885761
n3
8.1590598764792E+21
n4
1.6425559069318E+29
n5
3.3067411543016E+36
2 √n
4486.8341845894
3 √n
272.03618769536
4 √n
66.983835248434
5 √n
28.891893679887
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20131682
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10065841
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4486.8342960265
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999006541
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131681 can be divided by 2 positive divisors.
The sum of these divisors (counting 20131681) is 20131682, the average is 10065841.
Base
System
Value
2
Binary
1001100110010111101100001
3
Ternary
1101212210110211
4
Quaternary
1030302331201
5
Quinary
20123203211
6
Senary
1555254121
8
Octal
114627541
10
Decimal
20131681
12
Duodecimal
68aa341
16
Hexadecimal
1332f61
20
Vigesimal
65g941
36
Base36
bzhpd
md5
47cfbe61ce24d851e86e60377ae00215
sha1
3039652a74b0a25edbb208400f687359c06bf9cc
sha256
59cd1d731b26fa0b1e75917e2b1220250c14a733cda5cae81ad3ad3193bd2bf5
sha512
dc5298a17bddc68e2cf5800959105166b9e83aa8a0901e050ed074c2a5ab0d0d0d600097cebf50b2a7f54ff2cb9c6cca7757c36f814f642533672e45ac84b225
ripemd-160
63a972b0de12df43426b340cad0a45e6a48c7c68
Diameter
40263362
Circumference
126491082.26803
Area
1.2732390587823E+15
Volume
3.4176590090862E+22
Surface area
5.0929562351293E+15
Circumference
126491082.26803
Perimeter
80526724
Area
405284579885761
Diagonal
28470496.303569
Surface area
2431707479314566
Volume
8.1590598764792E+21
Space diagonal
34869094.333769
Perimeter
60395043
Area
1.7549337097159E+14
Altitude
17434547.166885
Surface area
1.7549337097159E+14
Volume
9.6155442779425E+20
Height
9490165.4345229