20091391 is an odd 8-digits prime number following 20091390
and preceding 20091392 . In scientific notation, it is written as 2.0091391 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20091390 positive integers (up to 20091391) that are relatively prime to 20091391.
20091391 has 2 divisors, whose sum is 20091392
The reverse of 20091391 is 19319002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million ninety-one thousand three hundred ninety-one
Scientific notation
2.0091391 × 10^7
Engineering notation
2.0091391 × 10^6
Prime Factorization
20091391
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20091391
Product of the distinct prime numbers
The prime factorization of 20091391 is 20091391.
Since it has a total of 1 prime factors.
10 , 10 , 89 , 78 , 6 , 935 , 5633 , 1147 , 30066 , 68270 , 928258 , 695669 , 6842241 , 6773524 , 87604392 , 70758337 , 880336658 , 125172212 , 6084841555 , 6623185081
n×2
40182782
n×3
60274173
n×4
80365564
n×5
100456955
n÷2
10045695.5
n÷3
6697130.3333333
n÷3
5022847.75
n÷5
4018278.2
n2
403663992314881
n3
8.1101711022193E+21
n4
1.6294461869159E+29
n5
3.2737840454786E+36
2 √n
4482.3421333049
3 √n
271.85458905209
4 √n
66.950295991167
5 √n
28.880320007758
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20091392
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10045696
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4482.3422448537
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999004549
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20091391 can be divided by 2 positive divisors.
The sum of these divisors (counting 20091391) is 20091392, the average is 10045696.
Base
System
Value
2
Binary
1001100101001000111111111
3
Ternary
1101210202012121
4
Quaternary
1030221013333
5
Quinary
20120411031
6
Senary
1554343411
8
Octal
114510777
10
Decimal
20091391
12
Duodecimal
688ab67
16
Hexadecimal
13291ff
20
Vigesimal
65b89b
36
Base36
bymm7
md5
d20837cb43f35e4fb1fd792890ca7a61
sha1
476097f1aaa8bc8476b0ba8075d4641f3aea75c1
sha256
ff21a375ce7efbbb490f25c65b14e1965399720c260607c5d6b18d102f480853
sha512
422b62945caa40f7ab13fddca24c4f34f46c7a701b594c8611d26607c163665c3fa23982b7ee5519fb950d75448a68fcaffdc7c57ab390b892821d6cdada6ab8
ripemd-160
856b0216b7234d224834c9de2995ef587b38bdfe
Diameter
40182782
Circumference
126237932.732
Area
1.2681478327752E+15
Volume
3.3971805272118E+22
Surface area
5.0725913311006E+15
Circumference
126237932.732
Perimeter
80365564
Area
403663992314881
Diagonal
28413517.639141
Surface area
2421983953889286
Volume
8.1101711022193E+21
Space diagonal
34799310.006732
Perimeter
60274173
Area
1.7479163596887E+14
Altitude
17399655.003366
Surface area
1.7479163596887E+14
Volume
9.5579283049374E+20
Height
9471172.5463802