2021381855 is an odd 10-digits composite number following 2021381854
and preceding 2021381856 . In scientific notation, it is written as 2.021381855 × 10^9.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 1500291072 positive integers (up to 2021381855) that are relatively prime to 2021381855.
2021381855 has 16 divisors, whose sum is 2571238080
The reverse of 2021381855 is 5581831202
Previous prime number is 25877
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 35
Digital Root 8
Name
two billion twenty-one million three hundred eighty-one thousand eight hundred fifty-five
Scientific notation
2.021381855 × 10^9
Engineering notation
2.021381855 × 10^9
Prime Factorization
5 × 17 × 25877 × 919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2021381855
Product of the distinct prime numbers
The prime factorization of 2021381855 is 5 × 17 × 25877 × 919.
Since it has a total of 4 prime factors.
6 , 4 , 100 , 30 , 116 , 146 , 4637 , 2916 , 75382 , 52141 , 610380 , 872032 , 532391 , 2729069 , 81445411 , 57448293 , 677368415 , 479131791 , 4268098371 , 3711060851
n×2
4042763710
n×3
6064145565
n×4
8085527420
n×5
10106909275
n÷2
1010690927.5
n÷3
673793951.66667
n÷3
505345463.75
n÷5
404276371
n2
4085984603723241025
n3
8.2593351377755E+27
n4
1.6695270181863E+37
n5
3.3747516209941E+46
2 √n
44959.780415389
3 √n
1264.3950520282
4 √n
212.03721469447
5 √n
72.632279209062
1 , 5 , 17 , 85 , 919 , 4595 , 15623 , 25877 , 78115 , 129385 , 439909 , 2199545 , 23780963 , 118904815 , 404276371 , 2021381855
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
-2021381854
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 2021381855 can be divided by 16 positive divisors.
The sum of these divisors (counting 2021381855) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000011110111101011011011111
3
Ternary
12012212120211121122
4
Quaternary
1320132331123133
5
Quinary
13114433204410
6
Senary
532325121155
8
Octal
17036753337
10
Decimal
2021381855
12
Duodecimal
484b591bb
16
Hexadecimal
787bd6df
20
Vigesimal
1bbdcecf
36
Base36
xfh87z
md5
59bc36f36450681ea1d44ae3eff27c2f
sha1
896e2b2cd4c01a6068143abf4d6418975f61d644
sha256
b9bd3eb2c1e0df01f28b3b41476521131ccf3f697a8fc1f90bafcaf68c1a0de3
sha512
a01af1746c99e5529e5867374bcf397ac08c623cc503db8390e8a14fcfae27fe2becbc1ae535743d0d5799a794ae9c9f697c02a952739b8f3563e26c2cd6b9c3
ripemd-160
ad3b8701f59c9e5c6c8884e6ee4e0716d595e701
Diameter
4042763710
Circumference
12700716771.535
Area
1.2836499213738E+19
Volume
3.4596622123162E+28
Surface area
5.1345996854952E+19
Circumference
12700716771.535
Perimeter
8085527420
Area
4085984603723241025
Diagonal
2858665634.0759
Surface area
2.4515907622339E+19
Volume
8.2593351377755E+27
Space diagonal
3501136074.3578
Perimeter
6064145565
Area
1.7692832331482E+18
Altitude
1750568037.1789
Surface area
1.7692832331482E+18
Volume
9.733719806689E+26
Height
952888544.69196