2021145238 is an even 10-digits composite number following 2021145237
and preceding 2021145239 . In scientific notation, it is written as 2.021145238 × 10^9.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 866205060 positive integers (up to 2021145238) that are relatively prime to 2021145238.
2021145238 has 12 divisors, whose sum is 3526692372
The reverse of 2021145238 is 8325411202
Previous prime number is 7
Is Prime? no
Number parity even
Number length 10
Sum of Digits 28
Digital Root 1
Name
two billion twenty-one million one hundred forty-five thousand two hundred thirty-eight
Scientific notation
2.021145238 × 10^9
Engineering notation
2.021145238 × 10^9
Prime Factorization
2 × 7 × 7 × 20623931
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
288735034
Product of the distinct prime numbers
The prime factorization of 2021145238 is 2 × 7 × 7 × 20623931.
Since it has a total of 4 prime factors.
6 , 2 , 94 , 15 , 66 , 784 , 2535 , 6088 , 88085 , 84294 , 504515 , 944052 , 9310408 , 2258158 , 17416383 , 42215969 , 305737016 , 483542276 , 5494741123 , 8121955505
n×2
4042290476
n×3
6063435714
n×4
8084580952
n×5
10105726190
n÷2
1010572619
n÷3
673715079.33333
n÷3
505286309.5
n÷5
404229047.6
n2
4085028073090076644
n3
8.2564350370223E+27
n4
1.6687454357934E+37
n5
3.3727768909881E+46
2 √n
44957.148908711
3 √n
1264.3457146508
4 √n
212.03100930928
5 √n
72.630578705347
1 , 2 , 7 , 14 , 49 , 98 , 20623931 , 41247862 , 144367517 , 288735034 , 1010572619 , 2021145238
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2021145237
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021145238 can be divided by 12 positive divisors.
The sum of these divisors (counting 2021145238) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111000011110000011101010010110
3
Ternary
12012212010211001001
4
Quaternary
1320132003222112
5
Quinary
13114403121423
6
Senary
532320053514
8
Octal
17036035226
10
Decimal
2021145238
12
Duodecimal
484a6429a
16
Hexadecimal
78783a96
20
Vigesimal
1bbc331i
36
Base36
xfc5na
md5
b9c59df6296185d1eaece84cb91d067f
sha1
a1b3526fcdfe7e25cdcfb27e464446ba935a07f3
sha256
c91abec574fb1124160418aa52dff277252fcf6a35edc2111385910e4e5d1a95
sha512
369e0de5bfd398e43a95666f80f0d94364359f86240261221c1514a56afc6c8ca3331e4a5dd28c9709ce7b4fb73e82be7941ff34f615cc086974e4a2be44b402
ripemd-160
26fc6227491e2e26174932a5b9af762900f3eb60
Diameter
4042290476
Circumference
12699230063.078
Area
1.2833494184128E+19
Volume
3.4584474209534E+28
Surface area
5.1333976736511E+19
Circumference
12699230063.078
Perimeter
8084580952
Area
4085028073090076644
Diagonal
2858331007.1054
Surface area
2.451016843854E+19
Volume
8.2564350370223E+27
Space diagonal
3500726241.6919
Perimeter
6063435714
Area
1.7688690432343E+18
Altitude
1750363120.8459
Surface area
1.7688690432343E+18
Volume
9.7303020051745E+26
Height
952777002.36847