20971875 is an odd 8-digits composite number following 20971874
and preceding 20971876 . In scientific notation, it is written as 2.0971875 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 11180000 positive integers (up to 20971875) that are relatively prime to 20971875.
20971875 has 12 divisors, whose sum is 23311008
The reverse of 20971875 is 57817902
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million nine hundred seventy-one thousand eight hundred seventy-five
Scientific notation
2.0971875 × 10^7
Engineering notation
2.0971875 × 10^6
Prime Factorization
15 × 25 × 25 × 2237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
838875
Product of the distinct prime numbers
The prime factorization of 20971875 is 15 × 25 × 25 × 2237.
Since it has a total of 4 prime factors.
1 , 10 , 67 , 86 , 209 , 468 , 1614 , 4518 , 83027 , 11026 , 719390 , 518378 , 866751 , 5977966 , 83845637 , 84882683 , 739616052 , 840335213 , 2462410865 , 549660407
n×2
41943750
n×3
62915625
n×4
83887500
n×5
104859375
n÷2
10485937.5
n÷3
6990625
n÷3
5242968.75
n÷5
4194375
n2
439819541015625
n3
9.2238404367371E+21
n4
1.934412286592E+29
n5
4.0568252672871E+36
2 √n
4579.5059777229
3 √n
275.76919635435
4 √n
67.672047240518
5 √n
29.129125865348
1 , 15 , 25 , 375 , 625 , 2237 , 9375 , 33555 , 55925 , 838875 , 1398125 , 20971875
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20971874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20971875 can be divided by 12 positive divisors.
The sum of these divisors (counting 20971875) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000000000101100011
3
Ternary
1110110111000010
4
Quaternary
1100000011203
5
Quinary
20332100000
6
Senary
2025300003
8
Octal
120000543
10
Decimal
20971875
12
Duodecimal
7034603
16
Hexadecimal
1400163
20
Vigesimal
6b19df
36
Base36
chi03
md5
b748729b70146957e67ceb5d3aa45205
sha1
7a6fc78e4c156fc8e991cfd1efe0ef3c39b76ba1
sha256
7a8666226cc61dd2456919efb2cf3f8cf0dc7e3f3be2a600fd5aaee89b34a049
sha512
ef04930327db91a3c420d80a359fec7834a2204bbfb0486c99bdafc68efaa10072c5fe1a4f5e89792a7f39082b559c616fefbbb6469412b18506248511433c03
ripemd-160
699c02a973c482987fffcd7da295d138cc13f265
Diameter
41943750
Circumference
131770176.86401
Area
1.3817338389599E+15
Volume
3.8636732471917E+22
Surface area
5.5269353558397E+15
Circumference
131770176.86401
Perimeter
83887500
Area
439819541015625
Diagonal
29658710.053393
Surface area
2638917246093750
Volume
9.2238404367371E+21
Space diagonal
36324353.029984
Perimeter
62915625
Area
1.9044744780017E+14
Altitude
18162176.514992
Surface area
1.9044744780017E+14
Volume
1.0870400202332E+21
Height
9886236.6844644