2021643871 is an odd 10-digits composite number following 2021643870
and preceding 2021643872 . In scientific notation, it is written as 2.021643871 × 10^9.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 1767915072 positive integers (up to 2021643871) that are relatively prime to 2021643871.
2021643871 has 8 divisors, whose sum is 2291742320
The reverse of 2021643871 is 1783461202
Previous prime number is 19
Is Prime? no Number parity odd Number length 10 Sum of Digits 34 Digital Root 7
Name
two billion twenty-one million six hundred forty-three thousand eight hundred seventy-one
Scientific notation
2.021643871 × 10^9
Engineering notation
2.021643871 × 10^9
Prime Factorization
13 × 19 × 8184793
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
2021643871 Product of the distinct prime numbers
The prime factorization of 2021643871 is 13 × 19 × 8184793.
Since it has a total of 3 prime factors.
7 , 9 , 59 , 47 , 148 , 277 , 5029 , 9789 , 64407 , 60017 , 118667 , 44563 , 8892512 , 8817715 , 55583694 , 25710012 , 417166141 , 123295804 , 1258413208 , 7401641491
n×2
4043287742
n×3
6064931613
n×4
8086575484
n×5
10108219355
n÷2
1010821935.5
n÷3
673881290.33333
n÷3
505410967.75
n÷5
404328774.2
n2
4087043941151864641
n3
8.2625473341374E+27
n4
1.6703928176906E+37
n5
3.3769394020467E+46
2 √n44962.694214204
3 √n1264.4496808983
4 √n212.04408554403
5 √n72.63416206287
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
-2021643870 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 2021643871 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021643871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000011111111101011001011111
3
Ternary
12012220002011000221
4
Quaternary
1320133331121133
5
Quinary
13120020100441
6
Senary
532334502211
8
Octal
17037753137
10
Decimal
2021643871
12
Duodecimal
485064967
16
Hexadecimal
787fd65f
20
Vigesimal
1bbf59db
36
Base36
xfmue7
md5
81a6bbf51f42327ac588c861f79dcfc7
sha1
537fa825dde22a2ef07f348e06fdce46a17637a9
sha256
3fa5b91af5c583eb484738c55084ed513cc3e3428017d74f5dc887ca7f4c52a2
sha512
0ea1d6230585f3b9c1564c783a0cef1c5971ab05dd487356131c0e5196fb400df940b720741d042bbfe7f69fbfa9d0c13e5951bf78834476bb65b72492dcf5d2
ripemd-160
e61a6b866204b4b4b57d759e74c67e0d7b94042f
Diameter
4043287742
Circumference
12702363066.617
Area
1.2839827220421E+19
Volume
3.4610077339818E+28
Surface area
5.1359308881685E+19
Circumference
12702363066.617
Perimeter
8086575484
Area
4087043941151864641
Diagonal
2859036180.6566
Surface area
2.4522263646911E+19
Volume
8.2625473341374E+27
Space diagonal
3501589899.3822
Perimeter
6064931613
Area
1.7697419397104E+18
Altitude
1750794949.6911
Surface area
1.7697419397104E+18
Volume
9.7375054164056E+26
Height
953012060.21888