20971828 is an even 8-digits composite number following 20971827
and preceding 20971829 . In scientific notation, it is written as 2.0971828 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 10230080 positive integers (up to 20971828) that are relatively prime to 20971828.
20971828 has 12 divisors, whose sum is 37596132
The reverse of 20971828 is 82817902
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred seventy-one thousand eight hundred twenty-eight
Scientific notation
2.0971828 × 10^7
Engineering notation
2.0971828 × 10^6
Prime Factorization
2 × 2 × 41 × 127877
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10485914
Product of the distinct prime numbers
The prime factorization of 20971828 is 2 × 2 × 41 × 127877.
Since it has a total of 4 prime factors.
5 , 4 , 46 , 50 , 406 , 490 , 9798 , 5423 , 36790 , 9417 , 233787 , 350207 , 8469071 , 5228367 , 59022177 , 47391922 , 891649318 , 608267284 , 7578397361 , 7445290733
n×2
41943656
n×3
62915484
n×4
83887312
n×5
104859140
n÷2
10485914
n÷3
6990609.3333333
n÷3
5242957
n÷5
4194365.6
n2
439817569661584
n3
9.2237784223208E+21
n4
1.9343949458302E+29
n5
4.0567798088021E+36
2 √n
4579.5008461622
3 √n
275.76899034572
4 √n
67.672009325586
5 √n
29.129112809099
1 , 2 , 4 , 41 , 82 , 164 , 127877 , 255754 , 511508 , 5242957 , 10485914 , 20971828
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
-20971827
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 20971828 can be divided by 12 positive divisors.
The sum of these divisors (counting 20971828) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000000000000100110100
3
Ternary
1110110110221101
4
Quaternary
1100000010310
5
Quinary
20332044303
6
Senary
2025255444
8
Octal
120000464
10
Decimal
20971828
12
Duodecimal
7034584
16
Hexadecimal
1400134
20
Vigesimal
6b19b8
36
Base36
chhys
md5
6d4412e85d84aa48e6e85c3f0c07d899
sha1
f1f396910f9872ec757af9888876ec4fb1626790
sha256
73257a8b258e4b1ecb3cb5cee55417685e669dd43dc8ca29db625cf860f3fa2a
sha512
09b961405f01da4047de70f795ea4439cfe6d730bfb01ac44471a9b5c0710e1fbea6ddbb7d9ac9f044867e1d11f67c646b83a175bde69e27f8c7ff60cc5c39ea
ripemd-160
5caf080a418e94625e37d1997f4cc4321c4c9cb5
Diameter
41943656
Circumference
131769881.5543
Area
1.3817276457685E+15
Volume
3.8636472706537E+22
Surface area
5.5269105830742E+15
Circumference
131769881.5543
Perimeter
83887312
Area
439817569661584
Diagonal
29658643.585356
Surface area
2638905417969504
Volume
9.2237784223208E+21
Space diagonal
36324271.623596
Perimeter
62915484
Area
1.9044659417883E+14
Altitude
18162135.811798
Surface area
1.9044659417883E+14
Volume
1.0870327117642E+21
Height
9886214.5284519