20921962 is an even 8-digits composite number following 20921961
and preceding 20921963 . In scientific notation, it is written as 2.0921962 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9930960 positive integers (up to 20921962) that are relatively prime to 20921962.
20921962 has 16 divisors, whose sum is 33011712
The reverse of 20921962 is 26912902
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million nine hundred twenty-one thousand nine hundred sixty-two
Scientific notation
2.0921962 × 10^7
Engineering notation
2.0921962 × 10^6
Prime Factorization
2 × 53 × 31 × 6367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921962
Product of the distinct prime numbers
The prime factorization of 20921962 is 2 × 53 × 31 × 6367.
Since it has a total of 4 prime factors.
3 , 4 , 48 , 17 , 248 , 498 , 8235 , 4748 , 75590 , 93974 , 106580 , 338493 , 9595837 , 7419660 , 61034795 , 64447066 , 347824894 , 714958524 , 1721030328 , 7058539337
n×2
41843924
n×3
62765886
n×4
83687848
n×5
104609810
n÷2
10460981
n÷3
6973987.3333333
n÷3
5230490.5
n÷5
4184392.4
n2
437728493929444
n3
9.1581389163091E+21
n4
1.9160623439774E+29
n5
4.0087783550326E+36
2 √n
4574.0531260579
3 √n
275.5502459401
4 √n
67.631746436551
5 √n
29.115247200028
1 , 2 , 31 , 53 , 62 , 106 , 1643 , 3286 , 6367 , 12734 , 197377 , 337451 , 394754 , 674902 , 10460981 , 20921962
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
-20921961
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 20921962 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921962) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011111001101010
3
Ternary
1110100221112111
4
Quaternary
1033303321222
5
Quinary
20324000322
6
Senary
2024232534
8
Octal
117637152
10
Decimal
20921962
12
Duodecimal
700b74a
16
Hexadecimal
13f3e6a
20
Vigesimal
6af4i2
36
Base36
cgfhm
md5
eadb8579c3cea02d925a51777ecc4146
sha1
d311ce2938f9613116afd30ce502f2853e89add8
sha256
14b47d7388a7dfa890fea6f3e72b6e4e7f42acff1569d7e21dc9938d7367d8d7
sha512
8b07341cbd050ef8d855edcc8c93323dd7e4020f24d781f26e2231e94d6957063168f7e7cfcf97a4de73fee2f62b375ddd7b565b0d6aa2702921adf8f5cc746a
ripemd-160
91482777525973b213ed3512fd1002f98e8bf10f
Diameter
41843924
Circumference
131456564.23577
Area
1.3751646207957E+15
Volume
3.8361522586708E+22
Surface area
5.5006584831827E+15
Circumference
131456564.23577
Perimeter
83687848
Area
437728493929444
Diagonal
29588122.411855
Surface area
2626370963576664
Volume
9.1581389163091E+21
Space diagonal
36237901.178025
Perimeter
62765886
Area
1.895419978516E+14
Altitude
18118950.589013
Surface area
1.895419978516E+14
Volume
1.0792970217951E+21
Height
9862707.4706182