20040721 is an odd 8-digits composite number following 20040720
and preceding 20040722 . In scientific notation, it is written as 2.0040721 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 19966500 positive integers (up to 20040721) that are relatively prime to 20040721.
20040721 has 4 divisors, whose sum is 20114944
The reverse of 20040721 is 12704002
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million forty thousand seven hundred twenty-one
Scientific notation
2.0040721 × 10^7
Engineering notation
2.0040721 × 10^6
Prime Factorization
271 × 73951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20040721
Product of the distinct prime numbers
The prime factorization of 20040721 is 271 × 73951.
Since it has a total of 2 prime factors.
7 , 5 , 93 , 72 , 730 , 184 , 3815 , 7800 , 67335 , 96181 , 60041 , 206043 , 5816736 , 9062373 , 87830765 , 83851834 , 759364640 , 779135707 , 1525017824 , 2766686125
n×2
40081442
n×3
60122163
n×4
80162884
n×5
100203605
n÷2
10020360.5
n÷3
6680240.3333333
n÷3
5010180.25
n÷5
4008144.2
n2
401630498199841
n3
8.048964759514E+21
n4
1.6130705708425E+29
n5
3.2327097263566E+36
2 √n
4476.6863861566
3 √n
271.62585977125
4 √n
66.908044255953
5 √n
28.865738197252
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
-20040720
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 20040721 can be divided by 4 positive divisors.
The sum of these divisors (counting 20040721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011100110000010001
3
Ternary
1101201011200221
4
Quaternary
1030130300101
5
Quinary
20112300341
6
Senary
1553313041
8
Octal
114346021
10
Decimal
20040721
12
Duodecimal
6865781
16
Hexadecimal
131cc11
20
Vigesimal
6551g1
36
Base36
bxjip
md5
67a9aadd6000a57e4a5a66ebdd63c0db
sha1
f901c8e7950cbde8c7245b5016d12b2fcee08281
sha256
e0f63d7dd04b1d4546a040e8826f9c2d4c5021c02a1b310091b7919f22a403c7
sha512
cc4e664dd6fec5979f9ff353b85294bbecc3d9ccb570288e7deae143e3da025c4df88c5d50709e8e2487b888289f9eca7e8e89e5e76f45af0edda775e029d7cb
ripemd-160
fe8cbbc1cdc235b495f0d334a8c15fce43c43fc3
Diameter
40081442
Circumference
125919563.73249
Area
1.2617594226022E+15
Volume
3.3715424743323E+22
Surface area
5.0470376904089E+15
Circumference
125919563.73249
Perimeter
80162884
Area
401630498199841
Diagonal
28341859.437935
Surface area
2409782989199046
Volume
8.048964759514E+21
Space diagonal
34711546.992313
Perimeter
60122163
Area
1.7391110718783E+14
Altitude
17355773.496156
Surface area
1.7391110718783E+14
Volume
9.4857959383065E+20
Height
9447286.4793118