20921738 is an even 8-digits composite number following 20921737
and preceding 20921739 . In scientific notation, it is written as 2.0921738 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 10454400 positive integers (up to 20921738) that are relatively prime to 20921738.
20921738 has 8 divisors, whose sum is 31402020
The reverse of 20921738 is 83712902
Previous prime number is 3301
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million nine hundred twenty-one thousand seven hundred thirty-eight
Scientific notation
2.0921738 × 10^7
Engineering notation
2.0921738 × 10^6
Prime Factorization
2 × 3301 × 3169
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20921738
Product of the distinct prime numbers
The prime factorization of 20921738 is 2 × 3301 × 3169.
Since it has a total of 3 prime factors.
2 , 9 , 24 , 83 , 520 , 429 , 6301 , 7470 , 18564 , 9977 , 793945 , 788184 , 8363820 , 5575512 , 48134048 , 76346630 , 544228694 , 980923108 , 907268956 , 3045801665
n×2
41843476
n×3
62765214
n×4
83686952
n×5
104608690
n÷2
10460869
n÷3
6973912.6666667
n÷3
5230434.5
n÷5
4184347.6
n2
437719120940644
n3
9.1578447659105E+21
n4
1.9159802883705E+29
n5
4.0085637606452E+36
2 √n
4574.0286400503
3 √n
275.54926254802
4 √n
67.631565411798
5 √n
29.115184855557
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921738 can be divided by 8 positive divisors.
The sum of these divisors (counting 20921738) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111110011110110001010
3
Ternary
1110100221020012
4
Quaternary
1033303312022
5
Quinary
20323443423
6
Senary
2024231522
8
Octal
117636612
10
Decimal
20921738
12
Duodecimal
700b5a2
16
Hexadecimal
13f3d8a
20
Vigesimal
6af46i
36
Base36
cgfbe
md5
ec5c476721cae107712b8d4dc191a151
sha1
61fca7fe7770b62471d0b9e0291e9ce95efb644e
sha256
df94340546453ccb9bd58e3bcf315f77f4bbb4156209980318647f4a2a234ef8
sha512
13461e6c2c21c41def45ee2d67b9094a2dd0c90c23cdde1d517d34106d974389432dcb32922f141305845ac90fab0237f88bf960759d325e0d8512ba3dc5a0c8
ripemd-160
262ebe69e50a18283135b64c7ba755403a3e7c75
Diameter
41843476
Circumference
131455156.80226
Area
1.3751351746829E+15
Volume
3.83602904524E+22
Surface area
5.5005406987316E+15
Circumference
131455156.80226
Perimeter
83686952
Area
437719120940644
Diagonal
29587805.628017
Surface area
2626314725643864
Volume
9.1578447659105E+21
Space diagonal
36237513.198644
Perimeter
62765214
Area
1.895379392284E+14
Altitude
18118756.599322
Surface area
1.895379392284E+14
Volume
1.0792623558382E+21
Height
9862601.8760055