20291490 is an even 8-digits composite number following 20291489
and preceding 20291491 . In scientific notation, it is written as 2.0291490 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5411040 positive integers (up to 20291490) that are relatively prime to 20291490.
20291490 has 16 divisors, whose sum is 40583160
The reverse of 20291490 is 09419202
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million two hundred ninety-one thousand four hundred ninety
Scientific notation
2.0291490 × 10^7
Engineering notation
2.0291490 × 10^6
Prime Factorization
2 × 9 × 5 × 225461
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20291490
Product of the distinct prime numbers
The prime factorization of 20291490 is 2 × 9 × 5 × 225461.
Since it has a total of 4 prime factors.
6 , 2 , 38 , 42 , 992 , 505 , 189 , 2647 , 50757 , 4036 , 291013 , 442535 , 4908112 , 7642340 , 4632052 , 89931913 , 657491479 , 101290882 , 6804957957 , 8106455646
n×2
40582980
n×3
60874470
n×4
81165960
n×5
101457450
n÷2
10145745
n÷3
6763830
n÷3
5072872.5
n÷5
4058298
n2
411744566420100
n3
8.3549107520678E+21
n4
1.6953358797648E+29
n5
3.4400891050888E+36
2 √n
4504.6076410715
3 √n
272.75411584273
4 √n
67.116373867124
5 √n
28.937618557546
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 225461 , 450922 , 1127305 , 2029149 , 2254610 , 4058298 , 10145745 , 20291490
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
-20291489
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 20291490 can be divided by 16 positive divisors.
The sum of these divisors (counting 20291490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101011001111110100010
3
Ternary
1102011220200200
4
Quaternary
1031121332202
5
Quinary
20143311430
6
Senary
2002530030
8
Octal
115317642
10
Decimal
20291490
12
Duodecimal
6966916
16
Hexadecimal
1359fa2
20
Vigesimal
66g8ea
36
Base36
c2x0i
md5
73b1e15187688c304012e1787cd3760a
sha1
fd44a6d731f9942ccd12677f45bbc16db2ddaddc
sha256
9d9e13814bc31937969420c31cdf12a5cf4e50588301d9b70573c0d3b840aab1
sha512
d747d27ad09f52269ef6ff7874f3fa19e32baa66bd55e0c2bf97343567211234f001518be61b07a389288ee30059fad71cd43122b4f7f4b78f8faf4367b8cdee
ripemd-160
69323ba8792e510fd86fb4a70af9e89ba557917a
Diameter
40582980
Circumference
127495191.82878
Area
1.2935337050209E+15
Volume
3.4996968320126E+22
Surface area
5.1741348200836E+15
Circumference
127495191.82878
Perimeter
81165960
Area
411744566420100
Diagonal
28696500.358758
Surface area
2470467398520600
Volume
8.3549107520678E+21
Space diagonal
35145891.641276
Perimeter
60874470
Area
1.7829062719501E+14
Altitude
17572945.820638
Surface area
1.7829062719501E+14
Volume
9.8463567483259E+20
Height
9565500.119586