20057721 is an odd 8-digits composite number following 20057720
and preceding 20057722 . In scientific notation, it is written as 2.0057721 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13371812 positive integers (up to 20057721) that are relatively prime to 20057721.
20057721 has 4 divisors, whose sum is 26743632
The reverse of 20057721 is 12775002
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million fifty-seven thousand seven hundred twenty-one
Scientific notation
2.0057721 × 10^7
Engineering notation
2.0057721 × 10^6
Prime Factorization
3 × 6685907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20057721
Product of the distinct prime numbers
The prime factorization of 20057721 is 3 × 6685907.
Since it has a total of 2 prime factors.
7 , 7 , 77 , 90 , 458 , 519 , 5203 , 2570 , 31777 , 23079 , 804473 , 657571 , 9163683 , 2869932 , 52260637 , 24176469 , 30578127 , 891446326 , 327691988 , 6992690261
n×2
40115442
n×3
60173163
n×4
80230884
n×5
100288605
n÷2
10028860.5
n÷3
6685907
n÷3
5014430.25
n÷5
4011544.2
n2
402312171713841
n3
8.0694652951403E+21
n4
1.6185508350911E+29
n5
3.2464441074574E+36
2 √n
4478.5847094813
3 √n
271.70264234739
4 √n
66.922228814358
5 √n
28.870633740971
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20057720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20057721 can be divided by 4 positive divisors.
The sum of these divisors (counting 20057721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100000111001111001
3
Ternary
1101202001000120
4
Quaternary
1030200321321
5
Quinary
20113321341
6
Senary
1553523453
8
Octal
114407171
10
Decimal
20057721
12
Duodecimal
6873589
16
Hexadecimal
1320e79
20
Vigesimal
657461
36
Base36
bxwmx
md5
a1a7b70f6fa485e12db2411ca3d2abec
sha1
2608173aae3d6160e99c7063756a2b5acf72d293
sha256
36795eebfc90fd2869a2385cb5c94fe1c27d9ea20d74ecd4f7c90873bb1d1f0c
sha512
34fc4ad64f8dfa4b1089ad371f481564cf4275ae2db6cf1853262871e9d4011a404be79a92db569d103eb0286fbfaf71eea293de1fb23d07d6013f6d566a4ab8
ripemd-160
1d9a17b4401f0bdbea8bdce8a778c0eacf1fc7ea
Diameter
40115442
Circumference
126026377.88271
Area
1.263900963106E+15
Volume
3.3801297186147E+22
Surface area
5.0556038524238E+15
Circumference
126026377.88271
Perimeter
80230884
Area
402312171713841
Diagonal
28365901.068496
Surface area
2413873030283046
Volume
8.0694652951403E+21
Space diagonal
34740991.856041
Perimeter
60173163
Area
1.7420628047794E+14
Altitude
17370495.928021
Surface area
1.7420628047794E+14
Volume
9.5099560512387E+20
Height
9455300.3561652