20076721 is an odd 8-digits composite number following 20076720
and preceding 20076722 . In scientific notation, it is written as 2.0076721 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 17208576 positive integers (up to 20076721) that are relatively prime to 20076721.
20076721 has 4 divisors, whose sum is 20486500
The reverse of 20076721 is 12767002
Previous prime number is 49
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million seventy-six thousand seven hundred twenty-one
Scientific notation
2.0076721 × 10^7
Engineering notation
2.0076721 × 10^6
Prime Factorization
49 × 409729
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20076721
Product of the distinct prime numbers
The prime factorization of 20076721 is 49 × 409729.
Since it has a total of 2 prime factors.
7 , 6 , 49 , 62 , 49 , 783 , 5094 , 8035 , 51913 , 32195 , 280856 , 384326 , 9430391 , 6133379 , 63955950 , 58919182 , 339249688 , 330062013 , 8808099604 , 706128872
n×2
40153442
n×3
60230163
n×4
80306884
n×5
100383605
n÷2
10038360.5
n÷3
6692240.3333333
n÷3
5019180.25
n÷5
4015344.2
n2
403074726111841
n3
8.0924188182988E+21
n4
1.6246923483014E+29
n5
3.2618494987681E+36
2 √n
4480.7054132134
3 √n
271.7884068438
4 √n
66.938071478146
5 √n
28.87610130444
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
-20076720
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 20076721 can be divided by 4 positive divisors.
The sum of these divisors (counting 20076721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100101100010110001
3
Ternary
1101210000002021
4
Quaternary
1030211202301
5
Quinary
20114423341
6
Senary
1554151441
8
Octal
114454261
10
Decimal
20076721
12
Duodecimal
6882581
16
Hexadecimal
13258b1
20
Vigesimal
659bg1
36
Base36
bybap
md5
d886f582255f07dfa5cd444d69862ad3
sha1
2fa045cd123d30802eaf4fd096677a3e5115c967
sha256
5f9dd796813d920d4f7b8a8d31442d0f2e64d2fcb5b6ceb75cee7a61381e1e34
sha512
2d744818c304a0418372bbfea92f21eceede49a74a8b79e53c47ad65557861b3f89cf6803fcecb56a87fe20e226e1bdf425da1b12ad19e3fc05afc56c50e57a3
ripemd-160
3f757d19162c52bd640b8e433d2e957fb7e1279a
Diameter
40153442
Circumference
126145758.40354
Area
1.2662965984007E+15
Volume
3.3897444679119E+22
Surface area
5.0651863936027E+15
Circumference
126145758.40354
Perimeter
80306884
Area
403074726111841
Diagonal
28392771.126181
Surface area
2418448356671046
Volume
8.0924188182988E+21
Space diagonal
34773900.821385
Perimeter
60230163
Area
1.7453647621815E+14
Altitude
17386950.410693
Surface area
1.7453647621815E+14
Volume
9.5370070377012E+20
Height
9464257.0420602