2021987321 is an odd 10-digits composite number following 2021987320
and preceding 2021987322 . In scientific notation, it is written as 2.021987321 × 10^9.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 2021415312 positive integers (up to 2021987321) that are relatively prime to 2021987321.
2021987321 has 4 divisors, whose sum is 2022559332
The reverse of 2021987321 is 1237891202
Previous prime number is 3557
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 35
Digital Root 8
Name
two billion twenty-one million nine hundred eighty-seven thousand three hundred twenty-one
Scientific notation
2.021987321 × 10^9
Engineering notation
2.021987321 × 10^9
Prime Factorization
3557 × 568453
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2021987321
Product of the distinct prime numbers
The prime factorization of 2021987321 is 3557 × 568453.
Since it has a total of 2 prime factors.
2 , 7 , 30 , 97 , 643 , 645 , 4231 , 6329 , 64650 , 57283 , 761235 , 431968 , 9828820 , 3931303 , 85992508 , 49442865 , 335054324 , 892031289 , 6470389852 , 4441051559
n×2
4043974642
n×3
6065961963
n×4
8087949284
n×5
10109936605
n÷2
1010993660.5
n÷3
673995773.66667
n÷3
505496830.25
n÷5
404397464.2
n2
4088432726284757041
n3
8.2667591353092E+27
n4
1.6715282157356E+37
n5
3.3798088589112E+46
2 √n
44966.513329365
3 √n
1264.5212811538
4 √n
212.05309082719
5 √n
72.636629807885
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
-2021987320
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 2021987321 can be divided by 4 positive divisors.
The sum of these divisors (counting 2021987321) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000100001010001001111111001
3
Ternary
12012220201121011022
4
Quaternary
1320201101033321
5
Quinary
13120112043241
6
Senary
532350112225
8
Octal
17041211771
10
Decimal
2021987321
12
Duodecimal
4851ab675
16
Hexadecimal
788513f9
20
Vigesimal
1bbh8861
36
Base36
xfu7eh
md5
e7dfe7f1beabae30cf823211e820d037
sha1
6a5194e0244c852eb83a7ad63a484efbcead040a
sha256
7e5c64bddd1f08a10abda968143cf45c089f934289eb5159eaac6861eece87c8
sha512
58b0858eb13746746a11b509344a31ca49a5f214a1a84f1aec1327aeab4ff6d1d7040bb0787a399f7eb0e8186dab883b2709d3f039b8d60afa4d4d57dfcd39c9
ripemd-160
731ab13795350d392d65385e435311de19bc096b
Diameter
4043974642
Circumference
12704521026.611
Area
1.2844190217592E+19
Volume
3.4627719691312E+28
Surface area
5.1376760870369E+19
Circumference
12704521026.611
Perimeter
8087949284
Area
4088432726284757041
Diagonal
2859521892.3046
Surface area
2.4530596357709E+19
Volume
8.2667591353092E+27
Space diagonal
3502184772.2321
Perimeter
6065961963
Area
1.7703433013131E+18
Altitude
1751092386.116
Surface area
1.7703433013131E+18
Volume
9.7424690716883E+26
Height
953173964.10155