20091812 is an even 8-digits composite number following 20091811
and preceding 20091813 . In scientific notation, it is written as 2.0091812 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 9273120 positive integers (up to 20091812) that are relatively prime to 20091812.
20091812 has 12 divisors, whose sum is 37865436
The reverse of 20091812 is 21819002
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million ninety-one thousand eight hundred twelve
Scientific notation
2.0091812 × 10^7
Engineering notation
2.0091812 × 10^6
Prime Factorization
2 × 2 × 13 × 386381
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10045906
Product of the distinct prime numbers
The prime factorization of 20091812 is 2 × 2 × 13 × 386381.
Since it has a total of 4 prime factors.
8 , 8 , 60 , 9 , 595 , 763 , 6016 , 7782 , 53143 , 36969 , 595059 , 239603 , 3097995 , 6784520 , 22918506 , 14681618 , 616697401 , 969558185 , 1392964172 , 2370558639
n×2
40183624
n×3
60275436
n×4
80367248
n×5
100459060
n÷2
10045906
n÷3
6697270.6666667
n÷3
5022953
n÷5
4018362.4
n2
403680909443344
n3
8.1106809405247E+21
n4
1.6295827664901E+29
n5
3.2741270582758E+36
2 √n
4482.3890951143
3 √n
271.85648787504
4 √n
66.950646711696
5 √n
28.880441039824
1 , 2 , 4 , 13 , 26 , 52 , 386381 , 772762 , 1545524 , 5022953 , 10045906 , 20091812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20091811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20091812 can be divided by 12 positive divisors.
The sum of these divisors (counting 20091812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100101001001110100100
3
Ternary
1101210202210012
4
Quaternary
1030221032210
5
Quinary
20120414222
6
Senary
1554345352
8
Octal
114511644
10
Decimal
20091812
12
Duodecimal
688b258
16
Hexadecimal
13293a4
20
Vigesimal
65b9ac
36
Base36
bymxw
md5
55e770071d30240ed5f28a4c01f0972f
sha1
9e4ae13a235162d9b5dc93389296b95a5164cd71
sha256
5e44b420f082a776b756cb51034ad9f835f92a56024c4d0fe956af3fe66a2cf2
sha512
11bedd189705b7fd95f41eb753797663a651f55e89635dfbf88ac695de9b272a0df41ad5be1ff5cd91ed5e36fc015a07ea4e0e06001d74fd9c6a42af2c3b00fc
ripemd-160
6001ce086af54ff3b46f086f8bab08d1223172a9
Diameter
40183624
Circumference
126240577.95301
Area
1.2682009795017E+15
Volume
3.3973940877818E+22
Surface area
5.0728039180066E+15
Circumference
126240577.95301
Perimeter
80367248
Area
403680909443344
Diagonal
28414113.023051
Surface area
2422085456660064
Volume
8.1106809405247E+21
Space diagonal
34800039.200122
Perimeter
60275436
Area
1.7479896130037E+14
Altitude
17400019.600061
Surface area
1.7479896130037E+14
Volume
9.5585291551425E+20
Height
9471371.0076835