2021987189 is an odd 10-digits composite number following 2021987188
and preceding 2021987190 . In scientific notation, it is written as 2.021987189 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 2014470240 positive integers (up to 2021987189) that are relatively prime to 2021987189.
2021987189 has 4 divisors, whose sum is 2029504140
The reverse of 2021987189 is 9817891202
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
two billion twenty-one million nine hundred eighty-seven thousand one hundred eighty-nine
Scientific notation
2.021987189 × 10^9
Engineering notation
2.021987189 × 10^9
Prime Factorization
269 × 7516681
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2021987189
Product of the distinct prime numbers
The prime factorization of 2021987189 is 269 × 7516681.
Since it has a total of 2 prime factors.
4 , 4 , 95 , 30 , 372 , 709 , 3688 , 8025 , 97432 , 4951 , 570201 , 266476 , 9868905 , 9864256 , 49079764 , 85508305 , 929651747 , 982670310 , 7806276854 , 9914158519
n×2
4043974378
n×3
6065961567
n×4
8087948756
n×5
10109935945
n÷2
1010993594.5
n÷3
673995729.66667
n÷3
505496797.25
n÷5
404397437.8
n2
4088432192480121721
n3
8.26675751629E+27
n4
1.6715277792508E+37
n5
3.3798077557027E+46
2 √n
44966.511861607
3 √n
1264.5212536368
4 √n
212.05308736636
5 √n
72.636628859508
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2021987188
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021987189 can be divided by 4 positive divisors.
The sum of these divisors (counting 2021987189) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000100001010001001101110101
3
Ternary
12012220201120222102
4
Quaternary
1320201101031311
5
Quinary
13120112042224
6
Senary
532350111445
8
Octal
17041211565
10
Decimal
2021987189
12
Duodecimal
4851ab585
16
Hexadecimal
78851375
20
Vigesimal
1bbh87j9
36
Base36
xfu7at
md5
f6fbc19fe5d6c504c4dfb9141c9fe546
sha1
7f71c750e5b47cfa04317d89fde3316adafc58a3
sha256
b9a4b067bcda65b330bbf0dcd359680e19c3d3761eec401490882282152ca35b
sha512
f5067b231824ccd31fbac14a951215fa1abbd411d6e9dc709284e8f05ceb8edf7f6dc036828ef870b5cb1179e05408ad204abf7b5b6fbb028c2c1b0e00c8f019
ripemd-160
ca2b21a4df5266d20b3cc9a475393ddeb5d7f3dc
Diameter
4043974378
Circumference
12704520197.23
Area
1.2844188540596E+19
Volume
3.462771290958E+28
Surface area
5.1376754162382E+19
Circumference
12704520197.23
Perimeter
8087948756
Area
4088432192480121721
Diagonal
2859521705.6285
Surface area
2.4530593154881E+19
Volume
8.26675751629E+27
Space diagonal
3502184543.6014
Perimeter
6065961567
Area
1.7703430701689E+18
Altitude
1751092271.8007
Surface area
1.7703430701689E+18
Volume
9.7424671636559E+26
Height
953173901.87615