2021987461 is an odd 10-digits composite number following 2021987460
and preceding 2021987462 . In scientific notation, it is written as 2.021987461 × 10^9.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 1862134272 positive integers (up to 2021987461) that are relatively prime to 2021987461.
2021987461 has 8 divisors, whose sum is 2182559960
The reverse of 2021987461 is 1647891202
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
two billion twenty-one million nine hundred eighty-seven thousand four hundred sixty-one
Scientific notation
2.021987461 × 10^9
Engineering notation
2.021987461 × 10^9
Prime Factorization
13 × 433 × 359209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2021987461
Product of the distinct prime numbers
The prime factorization of 2021987461 is 13 × 433 × 359209.
Since it has a total of 3 prime factors.
7 , 1 , 57 , 69 , 299 , 40 , 5833 , 5894 , 13755 , 90693 , 837005 , 566777 , 2475459 , 4940844 , 23590262 , 99503394 , 199416561 , 374441419 , 8416548533 , 1912770589
n×2
4043974922
n×3
6065962383
n×4
8087949844
n×5
10109937305
n÷2
1010993730.5
n÷3
673995820.33333
n÷3
505496865.25
n÷5
404397492.2
n2
4088433292441226521
n3
8.2667608524511E+27
n4
1.6715286786742E+37
n5
3.3798100289811E+46
2 √n
44966.514886079
3 √n
1264.5213103384
4 √n
212.05309449777
5 √n
72.63663081374
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
-2021987460
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 2021987461 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021987461) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000100001010001010010000101
3
Ternary
12012220201121100111
4
Quaternary
1320201101102011
5
Quinary
13120112044321
6
Senary
532350113021
8
Octal
17041212205
10
Decimal
2021987461
12
Duodecimal
4851ab771
16
Hexadecimal
78851485
20
Vigesimal
1bbh88d1
36
Base36
xfu7id
md5
9c283ed37cd93bd6fbcc7735b23a90b1
sha1
6e29ea449f75a876b42ae0efd805410fb31fd827
sha256
1241cf101d5c2e5649e54153455262504dd40adee5ecaa5b576d0e17091337f4
sha512
96bf8e4c0328d1a81b88ca8f7089ef89ec4ee9f0a7f4bce4ece478e7884b1505fa2b5b0c946137439ac24ed94d88cb78ffa5c0081e9027d610a6e805b2562135
ripemd-160
19835938ef4f74833d5a277573ddeb601033d988
Diameter
4043974922
Circumference
12704521906.257
Area
1.2844191996225E+19
Volume
3.4627726884059E+28
Surface area
5.1376767984901E+19
Circumference
12704521906.257
Perimeter
8087949844
Area
4088433292441226521
Diagonal
2859522090.2945
Surface area
2.4530599754647E+19
Volume
8.2667608524511E+27
Space diagonal
3502185014.7192
Perimeter
6065962383
Area
1.7703435464661E+18
Altitude
1751092507.3596
Surface area
1.7703435464661E+18
Volume
9.7424710953594E+26
Height
953174030.09818