2018930421 is an odd 10-digits composite number following 2018930420
and preceding 2018930422 . In scientific notation, it is written as 2.018930421 × 10^9.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 1260407808 positive integers (up to 2018930421) that are relatively prime to 2018930421.
2018930421 has 16 divisors, whose sum is 2864592000
The reverse of 2018930421 is 1240398102
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 30
Digital Root 3
Name
two billion eighteen million nine hundred thirty thousand four hundred twenty-one
Scientific notation
2.018930421 × 10^9
Engineering notation
2.018930421 × 10^9
Prime Factorization
3 × 17 × 199 × 198929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2018930421
Product of the distinct prime numbers
The prime factorization of 2018930421 is 3 × 17 × 199 × 198929.
Since it has a total of 4 prime factors.
3 , 1 , 24 , 30 , 344 , 339 , 3994 , 603 , 88077 , 42737 , 727690 , 58232 , 2846389 , 6268855 , 55696463 , 73531353 , 496215015 , 720958376 , 8682492726 , 8364713679
n×2
4037860842
n×3
6056791263
n×4
8075721684
n×5
10094652105
n÷2
1009465210.5
n÷3
672976807
n÷3
504732605.25
n÷5
403786084.2
n2
4076080044839237241
n3
8.229322000957E+27
n4
1.6614428531937E+37
n5
3.3543375190657E+46
2 √n
44932.509622766
3 √n
1263.8837129057
4 √n
211.97289832138
5 √n
72.614653674831
1 , 3 , 17 , 51 , 199 , 597 , 3383 , 10149 , 198929 , 596787 , 3381793 , 10145379 , 39586871 , 118760613 , 672976807 , 2018930421
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
-2018930420
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 2018930421 can be divided by 16 positive divisors.
The sum of these divisors (counting 2018930421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000010101100110111011110101
3
Ternary
12012200222021212210
4
Quaternary
1320111212323311
5
Quinary
13113321233141
6
Senary
532200404033
8
Octal
17025467365
10
Decimal
2018930421
12
Duodecimal
484176619
16
Hexadecimal
78566ef5
20
Vigesimal
1bai6611
36
Base36
xe0ool
md5
af2f04c936f5100489940f6be80d065a
sha1
1c8f9a1b27ec8fff810904de1883f7d667032c1b
sha256
dc7bc463d8db4e6a870120b721e13701799ea021d1aa4c3565f3dd8da0521fbe
sha512
5abb081cbb694aefe012cdd974912a1fbd1899793d767390e69ecfad34a50ea586b0b5eebb0109d81aaf5806fb8e15d878c6395eb6621a72f9250c7f86a54312
ripemd-160
c33103980e5df54c4f84fa9cfb0158156ee2084f
Diameter
4037860842
Circumference
12685313957.445
Area
1.2805383124311E+19
Volume
3.4470903389642E+28
Surface area
5.1221532497244E+19
Circumference
12685313957.445
Perimeter
8075721684
Area
4076080044839237241
Diagonal
2855198782.8658
Surface area
2.4456480269035E+19
Volume
8.229322000957E+27
Space diagonal
3496890066.1184
Perimeter
6056791263
Area
1.7649944333448E+18
Altitude
1748445033.0592
Surface area
1.7649944333448E+18
Volume
9.6983489857405E+26
Height
951732927.62194