2021082891 is an odd 10-digits composite number following 2021082890
and preceding 2021082892 . In scientific notation, it is written as 2.021082891 × 10^9.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 1328931072 positive integers (up to 2021082891) that are relatively prime to 2021082891.
2021082891 has 8 divisors, whose sum is 2731692240
The reverse of 2021082891 is 1982801202
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 33
Digital Root 6
Name
two billion twenty-one million eighty-two thousand eight hundred ninety-one
Scientific notation
2.021082891 × 10^9
Engineering notation
2.021082891 × 10^9
Prime Factorization
3 × 73 × 9228689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2021082891
Product of the distinct prime numbers
The prime factorization of 2021082891 is 3 × 73 × 9228689.
Since it has a total of 3 prime factors.
3 , 8 , 27 , 30 , 187 , 348 , 3271 , 4537 , 6404 , 10178 , 52556 , 770746 , 497673 , 9912353 , 81211840 , 74189297 , 205183477 , 780300069 , 3874566123 , 9034287753
n×2
4042165782
n×3
6063248673
n×4
8084331564
n×5
10105414455
n÷2
1010541445.5
n÷3
673694297
n÷3
505270722.75
n÷5
404216578.2
n2
4084776052292917881
n3
8.2556709928557E+27
n4
1.6685395397386E+37
n5
3.3722567167226E+46
2 √n
44956.455498627
3 √n
1264.3327139402
4 √n
212.02937414101
5 √n
72.630130607459
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
-2021082890
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 2021082891 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021082891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000011101110100011100001011
3
Ternary
12012212000122111220
4
Quaternary
1320131310130023
5
Quinary
13114344123031
6
Senary
532314453123
8
Octal
17035643413
10
Decimal
2021082891
12
Duodecimal
484a341a3
16
Hexadecimal
7877470b
20
Vigesimal
1bbbf74b
36
Base36
xfatjf
md5
7368d15d2c57cfe2728f35fb85073ab0
sha1
d0e1949f9658204a5f521a93a4e749acac59a5d6
sha256
dab9ab3b04d34f181a4172cc3f312fdb4a40036047e71899c51e6f96b91b3cc8
sha512
9cbe33ca632a7210d1c533e8af691427221a1b17c10a24a5280b9524861618ac294f2ef3b8de759e2cf6fb91972117c51b96845bfc18d51e1d3202830a7812b6
ripemd-160
44d73caae2ede0163d2383f34f61c322be887dc6
Diameter
4042165782
Circumference
12698838325.323
Area
1.2832702437443E+19
Volume
3.4581273788813E+28
Surface area
5.1330809749772E+19
Circumference
12698838325.323
Perimeter
8084331564
Area
4084776052292917881
Diagonal
2858242835.1324
Surface area
2.4508656313758E+19
Volume
8.2556709928557E+27
Space diagonal
3500618253.5202
Perimeter
6063248673
Area
1.768759915028E+18
Altitude
1750309126.7601
Surface area
1.768759915028E+18
Volume
9.729401570489E+26
Height
952747611.71081