20971912 is an even 8-digits composite number following 20971911
and preceding 20971913 . In scientific notation, it is written as 2.0971912 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 9679296 positive integers (up to 20971912) that are relatively prime to 20971912.
20971912 has 16 divisors, whose sum is 42347340
The reverse of 20971912 is 21917902
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred seventy-one thousand nine hundred twelve
Scientific notation
2.0971912 × 10^7
Engineering notation
2.0971912 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 201653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5242978
Product of the distinct prime numbers
The prime factorization of 20971912 is 2 × 2 × 2 × 13 × 201653.
Since it has a total of 5 prime factors.
8 , 6 , 84 , 100 , 482 , 605 , 3772 , 5005 , 16513 , 45301 , 106061 , 857215 , 2074523 , 601903 , 73349977 , 52181893 , 173421463 , 862251745 , 7076486189 , 155102990
n×2
41943824
n×3
62915736
n×4
83887648
n×5
104859560
n÷2
10485956
n÷3
6990637.3333333
n÷3
5242978
n÷5
4194382.4
n2
439821092935744
n3
9.2238892567922E+21
n4
1.9344259379119E+29
n5
4.0568610540406E+36
2 √n
4579.5100174582
3 √n
275.76935853115
4 √n
67.672077088399
5 √n
29.129136143655
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 201653 , 403306 , 806612 , 1613224 , 2621489 , 5242978 , 10485956 , 20971912
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
-20971911
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 20971912 can be divided by 16 positive divisors.
The sum of these divisors (counting 20971912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000000000110001000
3
Ternary
1110110111001111
4
Quaternary
1100000012020
5
Quinary
20332100122
6
Senary
2025300104
8
Octal
120000610
10
Decimal
20971912
12
Duodecimal
7034634
16
Hexadecimal
1400188
20
Vigesimal
6b19fc
36
Base36
chi14
md5
efb83f45bb5665a3a5c681e21c4720fa
sha1
10b863ae03b74cb86d0440137ddbc67e731b14af
sha256
7ef4a093f92216ba55ab4f6b7808a2f2a46aff9f91c3ba7900933df50ba67374
sha512
831a4e2a272db218485cf4191d975cbd19d9f759af660217560eb6ec0e65a1509265988b17bb011bbe0f5dc8928fc41edf0fae1415f07537804281ff49fa8db7
ripemd-160
5fc6c4f9da2c01bc76bdd564e12fee5e694c0d51
Diameter
41943824
Circumference
131770409.34186
Area
1.3817387144608E+15
Volume
3.8636936968886E+22
Surface area
5.5269548578431E+15
Circumference
131770409.34186
Perimeter
83887648
Area
439821092935744
Diagonal
29658762.379295
Surface area
2638926557614464
Volume
9.2238892567922E+21
Space diagonal
36324417.115863
Perimeter
62915736
Area
1.904481198013E+14
Altitude
18162208.557932
Surface area
1.904481198013E+14
Volume
1.0870457737319E+21
Height
9886254.1264317