2020821681 is an odd 10-digits composite number following 2020821680
and preceding 2020821682 . In scientific notation, it is written as 2.020821681 × 10^9.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 1347093632 positive integers (up to 2020821681) that are relatively prime to 2020821681.
2020821681 has 8 divisors, whose sum is 2694670560
The reverse of 2020821681 is 1861280202
Previous prime number is 45659
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 30
Digital Root 3
Name
two billion twenty million eight hundred twenty-one thousand six hundred eighty-one
Scientific notation
2.020821681 × 10^9
Engineering notation
2.020821681 × 10^9
Prime Factorization
3 × 45659 × 14753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2020821681
Product of the distinct prime numbers
The prime factorization of 2020821681 is 3 × 45659 × 14753.
Since it has a total of 3 prime factors.
10 , 5 , 75 , 15 , 164 , 287 , 6103 , 475 , 60865 , 43494 , 831693 , 736415 , 6720720 , 7815413 , 77033460 , 6409147 , 988233829 , 595329228 , 8529821052 , 9096808884
n×2
4041643362
n×3
6062465043
n×4
8083286724
n×5
10104108405
n÷2
1010410840.5
n÷3
673607227
n÷3
505205420.25
n÷5
404164336.2
n2
4083720266399665761
n3
8.2524704534795E+27
n4
1.6676771214203E+37
n5
3.3700780838739E+46
2 √n
44953.550260241
3 √n
1264.278243046
4 √n
212.02252300225
5 √n
72.628253129068
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2020821680
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2020821681 can be divided by 8 positive divisors.
The sum of these divisors (counting 2020821681) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000011100110100101010110001
3
Ternary
12012211112101012110
4
Quaternary
1320130310222301
5
Quinary
13114312243211
6
Senary
532305115533
8
Octal
17034645261
10
Decimal
2020821681
12
Duodecimal
484928ba9
16
Hexadecimal
78734ab1
20
Vigesimal
1bba2e41
36
Base36
xf57zl
md5
8ac97d86172cccda1d1759e65ea4e20d
sha1
dfc39be5b3619f60911bf2c52b5c50e9899a5745
sha256
3fdeb59f93546a4f647d33ceec68246991a53d7bcfc7ca04479128bd26fb7df8
sha512
68bdee637f1ed95db3cedfdd7f430699232ac5aff46c538d0c2789ba585eb668544ebe42d0edcfcec6339d7f55a2b2ca5b9424011eae4de9671fc16e9655a1e7
ripemd-160
607438716e461d7a1226e3250d555921c6ce2c23
Diameter
4041643362
Circumference
12697197094.489
Area
1.2829385588237E+19
Volume
3.4567867400824E+28
Surface area
5.1317542352948E+19
Circumference
12697197094.489
Perimeter
8083286724
Area
4083720266399665761
Diagonal
2857873428.4078
Surface area
2.4502321598398E+19
Volume
8.2524704534795E+27
Space diagonal
3500165824.5287
Perimeter
6062465043
Area
1.7683027463257E+18
Altitude
1750082912.2644
Surface area
1.7683027463257E+18
Volume
9.7256296986617E+26
Height
952624476.13593