2021381858 is an even 10-digits composite number following 2021381857
and preceding 2021381859 . In scientific notation, it is written as 2.021381858 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 1010511076 positive integers (up to 2021381858) that are relatively prime to 2021381858.
2021381858 has 8 divisors, whose sum is 3032612352
The reverse of 2021381858 is 8581831202
Previous prime number is 5807
Is Prime? no
Number parity even
Number length 10
Sum of Digits 38
Digital Root 2
Name
two billion twenty-one million three hundred eighty-one thousand eight hundred fifty-eight
Scientific notation
2.021381858 × 10^9
Engineering notation
2.021381858 × 10^9
Prime Factorization
2 × 5807 × 174047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2021381858
Product of the distinct prime numbers
The prime factorization of 2021381858 is 2 × 5807 × 174047.
Since it has a total of 3 prime factors.
10 , 6 , 15 , 16 , 958 , 732 , 8626 , 7990 , 40270 , 80446 , 529925 , 371096 , 1807512 , 6552187 , 823134 , 19689941 , 487624921 , 958978991 , 3766656214 , 5388296811
n×2
4042763716
n×3
6064145574
n×4
8085527432
n×5
10106909290
n÷2
1010690929
n÷3
673793952.66667
n÷3
505345464.5
n÷5
404276371.6
n2
4085984615851532164
n3
8.2593351745494E+27
n4
1.6695270280975E+37
n5
3.374751646037E+46
2 √n
44959.780448752
3 √n
1264.3950526537
4 √n
212.03721477314
5 √n
72.632279230621
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
-2021381857
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 2021381858 can be divided by 8 positive divisors.
The sum of these divisors (counting 2021381858) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111000011110111101011011100010
3
Ternary
12012212120211121202
4
Quaternary
1320132331123202
5
Quinary
13114433204413
6
Senary
532325121202
8
Octal
17036753342
10
Decimal
2021381858
12
Duodecimal
484b59202
16
Hexadecimal
787bd6e2
20
Vigesimal
1bbdceci
36
Base36
xfh882
md5
ad5f986cf2c3205c37427ea03d65a275
sha1
e9b582dd7952c5171bd795560704139f24e1b60a
sha256
b47eb3095810ebf1c983c37fef82b7f217252aa233a76112299d757d626bb72b
sha512
0e255eb9489147415d40e29ebfafd06eff3139c485036fcc492042f671e49135e0652a56d57aeaa397c8d8590ba98739dd6fe5c466028e02ac76031708dd93b2
ripemd-160
c6e797c7f901bf894957a887ab358822f33dcaf4
Diameter
4042763716
Circumference
12700716790.385
Area
1.283649925184E+19
Volume
3.45966222772E+28
Surface area
5.134599700736E+19
Circumference
12700716790.385
Perimeter
8085527432
Area
4085984615851532164
Diagonal
2858665638.3185
Surface area
2.4515907695109E+19
Volume
8.2593351745494E+27
Space diagonal
3501136079.554
Perimeter
6064145574
Area
1.7692832383999E+18
Altitude
1750568039.777
Surface area
1.7692832383999E+18
Volume
9.7337198500274E+26
Height
952888546.10618