2021904561 is an odd 10-digits composite number following 2021904560
and preceding 2021904562 . In scientific notation, it is written as 2.021904561 × 10^9.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 1337668800 positive integers (up to 2021904561) that are relatively prime to 2021904561.
2021904561 has 16 divisors, whose sum is 2716452288
The reverse of 2021904561 is 1654091202
Previous prime number is 971
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 30
Digital Root 3
Name
two billion twenty-one million nine hundred four thousand five hundred sixty-one
Scientific notation
2.021904561 × 10^9
Engineering notation
2.021904561 × 10^9
Prime Factorization
3 × 157 × 971 × 4421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2021904561
Product of the distinct prime numbers
The prime factorization of 2021904561 is 3 × 157 × 971 × 4421.
Since it has a total of 4 prime factors.
4 , 1 , 89 , 85 , 361 , 283 , 5055 , 2906 , 46136 , 98746 , 812055 , 525995 , 6798705 , 8741631 , 6797633 , 3585514 , 494136778 , 180953417 , 1236403821 , 2375957822
n×2
4043809122
n×3
6065713683
n×4
8087618244
n×5
10109522805
n÷2
1010952280.5
n÷3
673968187
n÷3
505476140.25
n÷5
404380912.2
n2
4088098053792602721
n3
8.2657441007785E+27
n4
1.6712545697423E+37
n5
3.379117237154E+46
2 √n
44965.593079598
3 √n
1264.5040286208
4 √n
212.05092095909
5 √n
72.636035194275
1 , 3 , 157 , 471 , 971 , 2913 , 4421 , 13263 , 152447 , 457341 , 694097 , 2082291 , 4292791 , 12878373 , 673968187 , 2021904561
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
-2021904560
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 2021904561 can be divided by 16 positive divisors.
The sum of these divisors (counting 2021904561) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000100000111101000010110001
3
Ternary
12012220120101122010
4
Quaternary
1320200331002301
5
Quinary
13120101421221
6
Senary
532344233133
8
Octal
17040750261
10
Decimal
2021904561
12
Duodecimal
48516b7a9
16
Hexadecimal
7883d0b1
20
Vigesimal
1bbgi181
36
Base36
xfsfjl
md5
c4c940dab26bc3447d6c564e1f04fb91
sha1
8083ec9f5c6c032d3918b58f90a64f8bc76400e7
sha256
75b79a953a9c825309ff56a3f4b679796be5a93b01a40407a1294cfaa0e5a163
sha512
ea39cc5b035f9a7a6fc52b445509455a49c8c19c2d650d22d454d235f31c5e3fc6f51b1a226e26f8973c618686a76f93ec3c00932d76d338dc0dea5ac2674c38
ripemd-160
b1d51f66215d5088e096dbbd39c6d426cdd8cdb4
Diameter
4043809122
Circumference
12704001030.195
Area
1.284313881295E+19
Volume
3.4623467924612E+28
Surface area
5.1372555251798E+19
Circumference
12704001030.195
Perimeter
8087618244
Area
4088098053792602721
Diagonal
2859404851.9902
Surface area
2.4528588322756E+19
Volume
8.2657441007785E+27
Space diagonal
3502041427.7072
Perimeter
6065713683
Area
1.7701983838731E+18
Altitude
1751020713.8536
Surface area
1.7701983838731E+18
Volume
9.741272842022E+26
Height
953134950.66341