20721877 is an odd 8-digits composite number following 20721876
and preceding 20721878 . In scientific notation, it is written as 2.0721877 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 18245440 positive integers (up to 20721877) that are relatively prime to 20721877.
20721877 has 16 divisors, whose sum is 23328000
The reverse of 20721877 is 77812702
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million seven hundred twenty-one thousand eight hundred seventy-seven
Scientific notation
2.0721877 × 10^7
Engineering notation
2.0721877 × 10^6
Prime Factorization
11 × 47 × 269 × 149
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20721877
Product of the distinct prime numbers
The prime factorization of 20721877 is 11 × 47 × 269 × 149.
Since it has a total of 4 prime factors.
8 , 2 , 86 , 78 , 666 , 337 , 7914 , 4971 , 7538 , 21537 , 69324 , 409782 , 4002567 , 5053821 , 2737539 , 92128247 , 401083749 , 147908550 , 9675960016 , 206460015
n×2
41443754
n×3
62165631
n×4
82887508
n×5
103609385
n÷2
10360938.5
n÷3
6907292.3333333
n÷3
5180469.25
n÷5
4144375.4
n2
429396186403129
n3
8.8978949589147E+21
n4
1.8438108489755E+29
n5
3.8207221623736E+36
2 √n
4552.1288426406
3 √n
274.66903213655
4 √n
67.469466002337
5 √n
29.059344816819
1 , 11 , 47 , 149 , 269 , 517 , 1639 , 2959 , 7003 , 12643 , 40081 , 77033 , 139073 , 440891 , 1883807 , 20721877
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
-20721876
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 20721877 can be divided by 16 positive divisors.
The sum of these divisors (counting 20721877) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000011000011010101
3
Ternary
1102222210001221
4
Quaternary
1033003003111
5
Quinary
20301100002
6
Senary
2020050341
8
Octal
117030325
10
Decimal
20721877
12
Duodecimal
6b339b1
16
Hexadecimal
13c30d5
20
Vigesimal
69a4dh
36
Base36
cc53p
md5
05dc4b9ace2b29d56873acecb02144b5
sha1
39e97b9a27a8971dc21bce52380e2e40158c73d4
sha256
52b9bee2897ce8e2c6823aee45cccd0163ce3b7d31728c7d60eb644b1402a08b
sha512
2adbfb3a78b804d3c54c97cb1637d3ddaccdca66d939e0d3c9e4e1ec1e6712b1182f7d6da288e2044a8ae9ebedc77077e735408db962201806363bdc93359ef1
ripemd-160
3fc56e8997a9947b350c201f3f3f05935aeaf684
Diameter
41443754
Circumference
130199393.10358
Area
1.3489879046835E+15
Volume
3.727141524712E+22
Surface area
5.3959516187342E+15
Circumference
130199393.10358
Perimeter
82887508
Area
429396186403129
Diagonal
29305159.491227
Surface area
2576377118418774
Volume
8.8978949589147E+21
Space diagonal
35891343.792193
Perimeter
62165631
Area
1.8593400285663E+14
Altitude
17945671.896096
Surface area
1.8593400285663E+14
Volume
1.048626977289E+21
Height
9768386.4970757