20131894 is an even 8-digits composite number following 20131893
and preceding 20131895 . In scientific notation, it is written as 2.0131894 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10065946 positive integers (up to 20131894) that are relatively prime to 20131894.
20131894 has 4 divisors, whose sum is 30197844
The reverse of 20131894 is 49813102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred thirty-one thousand eight hundred ninety-four
Scientific notation
2.0131894 × 10^7
Engineering notation
2.0131894 × 10^6
Prime Factorization
2 × 10065947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131894
Product of the distinct prime numbers
The prime factorization of 20131894 is 2 × 10065947.
Since it has a total of 2 prime factors.
6 , 10 , 75 , 67 , 931 , 959 , 5333 , 186 , 35534 , 13442 , 708812 , 940414 , 1331138 , 1191275 , 8536819 , 16581025 , 396639437 , 355918090 , 1897638678 , 403523318
n×2
40263788
n×3
60395682
n×4
80527576
n×5
100659470
n÷2
10065947
n÷3
6710631.3333333
n÷3
5032973.5
n÷5
4026378.8
n2
405293156027236
n3
8.1593188560658E+21
n4
1.6426254232252E+29
n5
3.3069160902074E+36
2 √n
4486.8579206389
3 √n
272.03714710363
4 √n
66.984012425644
5 √n
28.891954816831
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
-20131893
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 20131894 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110011000000110110
3
Ternary
1101212210202201
4
Quaternary
1030303000312
5
Quinary
20123210034
6
Senary
1555255114
8
Octal
114630066
10
Decimal
20131894
12
Duodecimal
68aa49a
16
Hexadecimal
1333036
20
Vigesimal
65g9ee
36
Base36
bzhva
md5
5867f52188ffae7e7030148fd1b939ce
sha1
4ca12e881555e4e404c6aec94bbe1a4355b190f7
sha256
46360f6fd29ab48b3c339c5f7aa3c53d0354622621377dc2b07f29e907708148
sha512
f047a0834c25bc8053e34636bdc00d47206244b5b0a54fbe834a5f7750e8605c44523a3da97fd8d40993ba03e8cdeb2c0f9f487290daa681f7ddbca555006d8c
ripemd-160
de49ed2543dcad2a47eb3b15d8a69eab7982c2b3
Diameter
40263788
Circumference
126492420.5865
Area
1.2732660015254E+15
Volume
3.4177674902017E+22
Surface area
5.0930640061015E+15
Circumference
126492420.5865
Perimeter
80527576
Area
405293156027236
Diagonal
28470797.531058
Surface area
2431758936163416
Volume
8.1593188560658E+21
Space diagonal
34869463.260591
Perimeter
60395682
Area
1.7549708454978E+14
Altitude
17434731.630296
Surface area
1.7549708454978E+14
Volume
9.6158494883123E+20
Height
9490265.8436858