20091131 is an odd 8-digits composite number following 20091130
and preceding 20091132 . In scientific notation, it is written as 2.0091131 × 10^7.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 19443000 positive integers (up to 20091131) that are relatively prime to 20091131.
20091131 has 4 divisors, whose sum is 20739264
The reverse of 20091131 is 13119002
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million ninety-one thousand one hundred thirty-one
Scientific notation
2.0091131 × 10^7
Engineering notation
2.0091131 × 10^6
Prime Factorization
31 × 648101
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20091131
Product of the distinct prime numbers
The prime factorization of 20091131 is 31 × 648101.
Since it has a total of 2 prime factors.
6 , 4 , 85 , 23 , 128 , 612 , 3209 , 9233 , 24539 , 78402 , 971033 , 448004 , 8433355 , 2501046 , 24206922 , 24501161 , 463241713 , 18063330 , 9336909200 , 6214886836
n×2
40182262
n×3
60273393
n×4
80364524
n×5
100455655
n÷2
10045565.5
n÷3
6697043.6666667
n÷3
5022782.75
n÷5
4018226.2
n2
403653544859161
n3
8.1098562483798E+21
n4
1.6293618427737E+29
n5
3.2735722229567E+36
2 √n
4482.3131305164
3 √n
271.85341636909
4 √n
66.950079391412
5 √n
28.8802452601
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
-20091130
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 20091131 can be divided by 4 positive divisors.
The sum of these divisors (counting 20091131) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101001000011111011
3
Ternary
1101210201211222
4
Quaternary
1030221003323
5
Quinary
20120404011
6
Senary
1554342255
8
Octal
114510373
10
Decimal
20091131
12
Duodecimal
688a98b
16
Hexadecimal
13290fb
20
Vigesimal
65b7gb
36
Base36
bymez
md5
39152d2d3677bd4a4298c7480525bacc
sha1
5406d815f05bc0ad3998845cebe705b03897684c
sha256
9008f3acbf7e2e3a53a90c1189c4df9f364ac6fb7a6a8a6feaa01836d5f21187
sha512
5dd350afc0c10cdcb56cad45edf3536e44765b01fed20524a91179f2c595d32ac9302988a986ab9900d2b2f3bcb893ec8880b3048a1505b37272ce87afc2807c
ripemd-160
3b78e2abeecbdc6633570178d5e08c2ef3a3722e
Diameter
40182262
Circumference
126236299.10382
Area
1.268115011125E+15
Volume
3.3970486415439E+22
Surface area
5.0724600445001E+15
Circumference
126236299.10382
Perimeter
80364524
Area
403653544859161
Diagonal
28413149.943615
Surface area
2421921269154966
Volume
8.1098562483798E+21
Space diagonal
34798859.673522
Perimeter
60273393
Area
1.7478711208784E+14
Altitude
17399429.836761
Surface area
1.7478711208784E+14
Volume
9.5575572461291E+20
Height
9471049.9812048