20971490 is an even 8-digits composite number following 20971489
and preceding 20971491 . In scientific notation, it is written as 2.0971490 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 8374656 positive integers (up to 20971490) that are relatively prime to 20971490.
20971490 has 16 divisors, whose sum is 37811448
The reverse of 20971490 is 09417902
Previous prime number is 773
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million nine hundred seventy-one thousand four hundred ninety
Scientific notation
2.0971490 × 10^7
Engineering notation
2.0971490 × 10^6
Prime Factorization
2 × 5 × 773 × 2713
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20971490
Product of the distinct prime numbers
The prime factorization of 20971490 is 2 × 5 × 773 × 2713.
Since it has a total of 4 prime factors.
5 , 4 , 64 , 45 , 312 , 361 , 301 , 3253 , 29281 , 48688 , 169190 , 760862 , 2268705 , 2422958 , 71103595 , 75582544 , 515975277 , 250636161 , 1489574996 , 165089774
n×2
41942980
n×3
62914470
n×4
83885960
n×5
104857450
n÷2
10485745
n÷3
6990496.6666667
n÷3
5242872.5
n÷5
4194298
n2
439803392820100
n3
9.2233324544928E+21
n4
1.9342702433607E+29
n5
4.0564529065937E+36
2 √n
4579.4639424282
3 √n
275.76750882776
4 √n
67.671736658876
5 √n
29.129018914531
1 , 2 , 5 , 10 , 773 , 1546 , 2713 , 3865 , 5426 , 7730 , 13565 , 27130 , 2097149 , 4194298 , 10485745 , 20971490
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
-20971489
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 20971490 can be divided by 16 positive divisors.
The sum of these divisors (counting 20971490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111111111111111100010
3
Ternary
1110110110110212
4
Quaternary
1033333333202
5
Quinary
20332041430
6
Senary
2025254122
8
Octal
117777742
10
Decimal
20971490
12
Duodecimal
7034342
16
Hexadecimal
13fffe2
20
Vigesimal
6b18ea
36
Base36
chhpe
md5
21b3f82fb31df18ba9d35a58c7da1942
sha1
10d7edfff431ed24906b5d40550517a038b7c5ad
sha256
7d3ea1cf7d900891c5f7068700eeae38506cc3ca88e2454dec9a2794be7ca0c8
sha512
2699e40f1004aea0165e963bf75cabdfe8acf41ab128bf6b18bac28abf3a5d6f790f8d132d796c46fa31ee63f0e7ebb87439375ed865d0ddee03e2a2aea3dad2
ripemd-160
07d999a1140fb5df9c943255c680dfbcc2732ff9
Diameter
41942980
Circumference
131767757.83766
Area
1.3816831079075E+15
Volume
3.8634604640868E+22
Surface area
5.52673243163E+15
Circumference
131767757.83766
Perimeter
83885960
Area
439803392820100
Diagonal
29658165.581172
Surface area
2638820356920600
Volume
9.2233324544928E+21
Space diagonal
36323686.190423
Perimeter
62914470
Area
1.904404554264E+14
Altitude
18161843.095211
Surface area
1.904404554264E+14
Volume
1.0869801539516E+21
Height
9886055.1937239