20200721 is an odd 8-digits prime number following 20200720
and preceding 20200722 . In scientific notation, it is written as 2.0200721 × 10^7.
The sum of its digits is 14. It has a total of 1 prime factors and 2 positive divisors.
There are 20200720 positive integers (up to 20200721) that are relatively prime to 20200721.
20200721 has 2 divisors, whose sum is 20200722
The reverse of 20200721 is 12700202
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty million two hundred thousand seven hundred twenty-one
Scientific notation
2.0200721 × 10^7
Engineering notation
2.0200721 × 10^6
Prime Factorization
20200721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20200721
Product of the distinct prime numbers
The prime factorization of 20200721 is 20200721.
Since it has a total of 1 prime factors.
5 , 7 , 37 , 70 , 759 , 473 , 5810 , 9302 , 45954 , 2873 , 449894 , 173706 , 4515530 , 133633 , 39671511 , 51127027 , 222818469 , 908799425 , 9953835542 , 459444493
n×2
40401442
n×3
60602163
n×4
80802884
n×5
101003605
n÷2
10100360.5
n÷3
6733573.6666667
n÷3
5050180.25
n÷5
4040144.2
n2
408069128919841
n3
8.2432906220227E+21
n4
1.665204139774E+29
n5
3.3638324235619E+36
2 √n
4494.5212203304
3 √n
272.34680837762
4 √n
67.041190475187
5 √n
28.911683042687
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20200722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10100361
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4494.5213315769
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009936
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20200721 can be divided by 2 positive divisors.
The sum of these divisors (counting 20200721) is 20200722, the average is 10100361.
Base
System
Value
2
Binary
1001101000011110100010001
3
Ternary
1102000022011212
4
Quaternary
1031003310101
5
Quinary
20132410341
6
Senary
2000545505
8
Octal
115036421
10
Decimal
20200721
12
Duodecimal
6922295
16
Hexadecimal
1343d11
20
Vigesimal
6651g1
36
Base36
c0yz5
md5
a6a45e62806cb10f078bfdbaaafd4f49
sha1
071fde69ca923a759f3a24712af6604aafd60ea6
sha256
00b2a77e81983ed65a25ab89ea6bca8aee2f197b5fe02087b692c53ffb293a5d
sha512
ba4fd96e60f64149966c007cf9e0b03118e1c879060b275ba50da4a7d7e230d7f97d3eb32ba0361b7bb5d6572f9ec172067dfec815bb6db53ab9cbee6b1c93e3
ripemd-160
c34cfdf52de8f37ab5db313fcff1d724dc92dfc1
Diameter
40401442
Circumference
126924873.38163
Area
1.2819869775714E+15
Volume
3.4529415012736E+22
Surface area
5.1279479102854E+15
Circumference
126924873.38163
Perimeter
80802884
Area
408069128919841
Diagonal
28568133.607915
Surface area
2448414773519046
Volume
8.2432906220227E+21
Space diagonal
34988675.121524
Perimeter
60602163
Area
1.7669911607238E+14
Altitude
17494337.560762
Surface area
1.7669911607238E+14
Volume
9.7148111635396E+20
Height
9522711.2026383