20941491 is an odd 8-digits composite number following 20941490
and preceding 20941492 . In scientific notation, it is written as 2.0941491 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13960992 positive integers (up to 20941491) that are relatively prime to 20941491.
20941491 has 4 divisors, whose sum is 27921992
The reverse of 20941491 is 19414902
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million nine hundred forty-one thousand four hundred ninety-one
Scientific notation
2.0941491 × 10^7
Engineering notation
2.0941491 × 10^6
Prime Factorization
3 × 6980497
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20941491
Product of the distinct prime numbers
The prime factorization of 20941491 is 3 × 6980497.
Since it has a total of 2 prime factors.
2 , 9 , 49 , 45 , 763 , 283 , 4247 , 8171 , 60760 , 85004 , 135115 , 566132 , 8601765 , 3217337 , 85301839 , 21971409 , 879608259 , 757083438 , 7068107809 , 4017918832
n×2
41882982
n×3
62824473
n×4
83765964
n×5
104707455
n÷2
10470745.5
n÷3
6980497
n÷3
5235372.75
n÷5
4188298.2
n2
438546045303081
n3
9.1838080608001E+21
n4
1.9232263385097E+29
n5
4.0275227058864E+36
2 √n
4576.1873868975
3 √n
275.63595407949
4 √n
67.647523139414
5 √n
29.120680528769
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
-20941490
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 20941491 can be divided by 4 positive divisors.
The sum of these divisors (counting 20941491) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111111000101010110011
3
Ternary
1110101221022210
4
Quaternary
1033320222303
5
Quinary
20330111431
6
Senary
2024503203
8
Octal
117705263
10
Decimal
20941491
12
Duodecimal
701ab03
16
Hexadecimal
13f8ab3
20
Vigesimal
6ahdeb
36
Base36
cguk3
md5
d7fe5b8cba0de79dc2842567cfa72c6b
sha1
7aa84d5084d4145b819eef69013906f0771d2419
sha256
8371195abc2bcf8a784346f2c8140491645f9cd83728615f897410e5fd37a20a
sha512
8819f2f4dd2e9804e1e456ff9dfe167828dd3742ef790ce23d260dec8bc0a2dc98cb2c04957300208cf353a2fe51f33243c7a814fdc1c5eac39879930238d5d9
ripemd-160
3e2887352fb1c427650a09ef409899fbab41f43f
Diameter
41882982
Circumference
131579268.56163
Area
1.377733034185E+15
Volume
3.8469045247718E+22
Surface area
5.5109321367401E+15
Circumference
131579268.56163
Perimeter
83765964
Area
438546045303081
Diagonal
29615740.588514
Surface area
2631276271818486
Volume
9.1838080608001E+21
Space diagonal
36271726.398246
Perimeter
62824473
Area
1.8989600798083E+14
Altitude
18135863.199123
Surface area
1.8989600798083E+14
Volume
1.0823221594846E+21
Height
9871913.5295047