20971386 is an even 8-digits composite number following 20971385
and preceding 20971387 . In scientific notation, it is written as 2.0971386 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6990300 positive integers (up to 20971386) that are relatively prime to 20971386.
20971386 has 16 divisors, whose sum is 42461568
The reverse of 20971386 is 68317902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million nine hundred seventy-one thousand three hundred eighty-six
Scientific notation
2.0971386 × 10^7
Engineering notation
2.0971386 × 10^6
Prime Factorization
2 × 81 × 3 × 43151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20971386
Product of the distinct prime numbers
The prime factorization of 20971386 is 2 × 81 × 3 × 43151.
Since it has a total of 4 prime factors.
1 , 4 , 12 , 23 , 639 , 765 , 1337 , 8160 , 87325 , 99133 , 281323 , 684903 , 1462085 , 1733560 , 74045236 , 22532089 , 874181066 , 620854235 , 5693760962 , 4705383371
n×2
41942772
n×3
62914158
n×4
83885544
n×5
104856930
n÷2
10485693
n÷3
6990462
n÷3
5242846.5
n÷5
4194277.2
n2
439799030760996
n3
9.2231952365147E+21
n4
1.9342318745831E+29
n5
4.0563523255386E+36
2 √n
4579.4525873733
3 √n
275.76705297288
4 √n
67.671652760763
5 √n
29.128990023651
1 , 2 , 3 , 6 , 81 , 162 , 243 , 486 , 43151 , 86302 , 129453 , 258906 , 3495231 , 6990462 , 10485693 , 20971386
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
-20971385
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 20971386 can be divided by 16 positive divisors.
The sum of these divisors (counting 20971386) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111111111111101111010
3
Ternary
1110110110100000
4
Quaternary
1033333331322
5
Quinary
20332041021
6
Senary
2025253430
8
Octal
117777572
10
Decimal
20971386
12
Duodecimal
7034276
16
Hexadecimal
13fff7a
20
Vigesimal
6b1896
36
Base36
chhmi
md5
7fd432328395fdc45c246ba972497a40
sha1
ec059015f55dd55e11c645073a2d21b1768f877c
sha256
288d99b900e52eb88a3a7241163d2b2995aa05b4ded5e5656eba6ab59bd25436
sha512
5bf5a3d71a50f7e3f4fd23d4b9fce312067a69bbcaf3b695b104272cb7fafd7abe6ce282fb82a5e733ff75cee96a443ec72ac57784895a77bc78288ebf50be62
ripemd-160
7d2e72bf8d69244ba7c78dfa85a9a9707a73ee95
Diameter
41942772
Circumference
131767104.38639
Area
1.3816694040947E+15
Volume
3.8634029863545E+22
Surface area
5.5266776163786E+15
Circumference
131767104.38639
Perimeter
83885544
Area
439799030760996
Diagonal
29658018.502961
Surface area
2638794184565976
Volume
9.2231952365147E+21
Space diagonal
36323506.057139
Perimeter
62914158
Area
1.904385665994E+14
Altitude
18161753.028569
Surface area
1.904385665994E+14
Volume
1.0869639826578E+21
Height
9886006.1676538