20291390 is an even 8-digits composite number following 20291389
and preceding 20291391 . In scientific notation, it is written as 2.0291390 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 6956880 positive integers (up to 20291390) that are relatively prime to 20291390.
20291390 has 16 divisors, whose sum is 35779968
The reverse of 20291390 is 09319202
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million two hundred ninety-one thousand three hundred ninety
Scientific notation
2.0291390 × 10^7
Engineering notation
2.0291390 × 10^6
Prime Factorization
2 × 35 × 7 × 41411
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20291390
Product of the distinct prime numbers
The prime factorization of 20291390 is 2 × 35 × 7 × 41411.
Since it has a total of 4 prime factors.
9 , 6 , 9 , 12 , 357 , 627 , 9398 , 5385 , 95651 , 34959 , 827248 , 427946 , 3860477 , 4371172 , 55957038 , 56956951 , 549643725 , 803243368 , 1164319141 , 8684082887
n×2
40582780
n×3
60874170
n×4
81165560
n×5
101456950
n÷2
10145695
n÷3
6763796.6666667
n÷3
5072847.5
n÷5
4058278
n2
411740508132100
n3
8.3547872293066E+21
n4
1.6953024603688E+29
n5
3.4400043391303E+36
2 √n
4504.596541312
3 √n
272.75366778206
4 √n
67.116291176673
5 √n
28.937590035564
1 , 2 , 7 , 14 , 35 , 70 , 245 , 490 , 41411 , 82822 , 289877 , 579754 , 1449385 , 2898770 , 10145695 , 20291390
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20291389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20291390 can be divided by 16 positive divisors.
The sum of these divisors (counting 20291390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101011001111100111110
3
Ternary
1102011220112222
4
Quaternary
1031121330332
5
Quinary
20143311030
6
Senary
2002525342
8
Octal
115317476
10
Decimal
20291390
12
Duodecimal
6966852
16
Hexadecimal
1359f3e
20
Vigesimal
66g89a
36
Base36
c2wxq
md5
560cf762168d0a55f447fbbd79e37653
sha1
94970321807189d0039ec92f20fc705fa2ace65d
sha256
6129bcf49fe3f45fe887795fbc9f540282a180a1ca1296f3a7e62870d8edce36
sha512
fd491c6f75d12c2fe99d558a80eba6e2ead9ea7614929b589b90ac51b9732e8e3347249ee9d4ca5b97feb81d138b19c7aeb48bf79705a4811a39d7c83e022bd9
ripemd-160
dfed1ac145dadb0ed375151d69fd8c3d61af3dd0
Diameter
40582780
Circumference
127494563.51025
Area
1.2935209555331E+15
Volume
3.4996450909194E+22
Surface area
5.1740838221325E+15
Circumference
127494563.51025
Perimeter
81165560
Area
411740508132100
Diagonal
28696358.937402
Surface area
2470443048792600
Volume
8.3547872293066E+21
Space diagonal
35145718.436195
Perimeter
60874170
Area
1.7828886990476E+14
Altitude
17572859.218098
Surface area
1.7828886990476E+14
Volume
9.8462111753558E+20
Height
9565452.9791339