2021949461 is an odd 10-digits composite number following 2021949460
and preceding 2021949462 . In scientific notation, it is written as 2.021949461 × 10^9.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 1715778288 positive integers (up to 2021949461) that are relatively prime to 2021949461.
2021949461 has 16 divisors, whose sum is 2333990400
The reverse of 2021949461 is 1649491202
Previous prime number is 379
Is Prime? no Number parity odd Number length 10 Sum of Digits 38 Digital Root 2
Name
two billion twenty-one million nine hundred forty-nine thousand four hundred sixty-one
Scientific notation
2.021949461 × 10^9
Engineering notation
2.021949461 × 10^9
Prime Factorization
7 × 139 × 379 × 5483
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
2021949461 Product of the distinct prime numbers
The prime factorization of 2021949461 is 7 × 139 × 379 × 5483.
Since it has a total of 4 prime factors.
1 , 6 , 85 , 70 , 723 , 733 , 2013 , 4393 , 63788 , 95712 , 793969 , 442266 , 6147316 , 8628047 , 68929412 , 39915186 , 984320504 , 672698614 , 2277987011 , 9608472019
n×2
4043898922
n×3
6065848383
n×4
8087797844
n×5
10109747305
n÷2
1010974730.5
n÷3
673983153.66667
n÷3
505487365.25
n÷5
404389892.2
n2
4088279622838190521
n3
8.266294779815E+27
n4
1.6714030274514E+37
n5
3.3794924504691E+46
2 √n44966.092347457
3 √n1264.5133887412
4 √n212.05209819159
5 √n72.636357793974
1 , 7 , 139 , 379 , 973 , 2653 , 5483 , 38381 , 52681 , 368767 , 762137 , 2078057 , 5334959 , 14546399 , 288849923 , 2021949461
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-2021949460 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021949461 can be divided by 16 positive divisors.
The sum of these divisors (counting 2021949461) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000100001001000000000010101
3
Ternary
12012220122200020002
4
Quaternary
1320201020000111
5
Quinary
13120104340321
6
Senary
532345221045
8
Octal
17041100025
10
Decimal
2021949461
12
Duodecimal
485191785
16
Hexadecimal
78848015
20
Vigesimal
1bbh3dd1
36
Base36
xfte6t
md5
8f9b40d8dc8f3643f39adfb5ffb86cf5
sha1
081a545cb9c1272cc6d614e7b0bccf102d6da54a
sha256
4ba0a7a0e66c79df4b5649959ced5faddb62173d65d7f6c05df51f9de83ca8d4
sha512
9d9d308aee98f62c801b06b2c5bbbfbd8662414d105c402a050fa826746db47f4196e34d09c28a43215df159dd058c8b56c9c0dea7343d5ffc0e826fb1af4d67
ripemd-160
142c98e46dbaf4271ea50eccc859e4a167ea006d
Diameter
4043898922
Circumference
12704283145.215
Area
1.2843709228929E+19
Volume
3.4625774603566E+28
Surface area
5.1374836915717E+19
Circumference
12704283145.215
Perimeter
8087797844
Area
4088279622838190521
Diagonal
2859468350.1792
Surface area
2.4529677737029E+19
Volume
8.266294779815E+27
Space diagonal
3502119196.7885
Perimeter
6065848383
Area
1.7702770055761E+18
Altitude
1751059598.3943
Surface area
1.7702770055761E+18
Volume
9.7419218234902E+26
Height
953156116.72639