20971312 is an even 8-digits composite number following 20971311
and preceding 20971313 . In scientific notation, it is written as 2.0971312 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors.
There are 10313280 positive integers (up to 20971312) that are relatively prime to 20971312.
20971312 has 20 divisors, whose sum is 41299936
The reverse of 20971312 is 21317902
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million nine hundred seventy-one thousand three hundred twelve
Scientific notation
2.0971312 × 10^7
Engineering notation
2.0971312 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 61 × 21487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2621414
Product of the distinct prime numbers
The prime factorization of 20971312 is 2 × 2 × 2 × 2 × 61 × 21487.
Since it has a total of 6 prime factors.
10 , 3 , 87 , 35 , 304 , 74 , 9827 , 6321 , 38653 , 15809 , 599512 , 581468 , 8257823 , 328086 , 24754772 , 30012884 , 604928715 , 803197106 , 1495741574 , 5964413747
n×2
41942624
n×3
62913936
n×4
83885248
n×5
104856560
n÷2
10485656
n÷3
6990437.3333333
n÷3
5242828
n÷5
4194262.4
n2
439795927001344
n3
9.2230976014744E+21
n4
1.9342045740697E+29
n5
4.0562807594643E+36
2 √n
4579.4445077979
3 √n
275.76672861368
4 √n
67.671593063839
5 √n
29.128969466609
1 , 2 , 4 , 8 , 16 , 61 , 122 , 244 , 488 , 976 , 21487 , 42974 , 85948 , 171896 , 343792 , 1310707 , 2621414 , 5242828 , 10485656 , 20971312
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20971311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20971312 can be divided by 20 positive divisors.
The sum of these divisors (counting 20971312) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111111111111100110000
3
Ternary
1110110110020021
4
Quaternary
1033333330300
5
Quinary
20332040222
6
Senary
2025253224
8
Octal
117777460
10
Decimal
20971312
12
Duodecimal
7034214
16
Hexadecimal
13fff30
20
Vigesimal
6b185c
36
Base36
chhkg
md5
ba76dc43b078d9b59470985ab88dfdf2
sha1
15d81436330fe1b364ea1143ac27360eda01367a
sha256
a6b04a385375380c8cdc6af3cefa078895f57ef0c680e1aa63c6bf07d2f957d7
sha512
b5b6cfd320074989f99050d71475f8854426f61077c26af1bde2e0ca16e08275fdac1d5ae802ac282f9d2c66adfa5f0a7d88ba93a6fc87aa37713187a164d870
ripemd-160
c8f00b6473bd64ee84ed1d7d7c8ed80a71fb2f51
Diameter
41942624
Circumference
131766639.43068
Area
1.3816596533461E+15
Volume
3.8633620890845E+22
Surface area
5.5266386133845E+15
Circumference
131766639.43068
Perimeter
83885248
Area
439795927001344
Diagonal
29657913.851158
Surface area
2638775562008064
Volume
9.2230976014744E+21
Space diagonal
36323377.885379
Perimeter
62913936
Area
1.9043722263205E+14
Altitude
18161688.942689
Surface area
1.9043722263205E+14
Volume
1.086952476258E+21
Height
9885971.2837192