2021145904 is an even 10-digits composite number following 2021145903
and preceding 2021145905 . In scientific notation, it is written as 2.021145904 × 10^9.
The sum of its digits is 28. It has a total of 5 prime factors and 10 positive divisors.
There are 1010572944 positive integers (up to 2021145904) that are relatively prime to 2021145904.
2021145904 has 10 divisors, whose sum is 3915970220
The reverse of 2021145904 is 4095411202
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 28
Digital Root 1
Name
two billion twenty-one million one hundred forty-five thousand nine hundred four
Scientific notation
2.021145904 × 10^9
Engineering notation
2.021145904 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 126321619
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
252643238
Product of the distinct prime numbers
The prime factorization of 2021145904 is 2 × 2 × 2 × 2 × 126321619.
Since it has a total of 5 prime factors.
1 , 2 , 91 , 87 , 74 , 600 , 624 , 7360 , 9769 , 50916 , 406812 , 762184 , 3034450 , 7048215 , 27662943 , 33291386 , 18266376 , 82999040 , 4572851647 , 343196503
n×2
4042291808
n×3
6063437712
n×4
8084583616
n×5
10105729520
n÷2
1010572952
n÷3
673715301.33333
n÷3
505286476
n÷5
404229180.8
n2
4085030765255977216
n3
8.2564431989111E+27
n4
1.6687476353088E+37
n5
3.372782447914E+46
2 √n
44957.156315764
3 √n
1264.3458535249
4 √n
212.03102677619
5 √n
72.630583491936
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2021145903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2021145904 can be divided by 10 positive divisors.
The sum of these divisors (counting 2021145904) is 1, the average is 0.1.
Base
System
Value
2
Binary
1111000011110000011110100110000
3
Ternary
12012212010211221201
4
Quaternary
1320132003310300
5
Quinary
13114403132104
6
Senary
532320100544
8
Octal
17036036460
10
Decimal
2021145904
12
Duodecimal
484a64754
16
Hexadecimal
78783d30
20
Vigesimal
1bbc34f4
36
Base36
xfc65s
md5
53705547f8b04e7cf5a527152a4c07ee
sha1
3412db002fddc5c539d867aa71e8172f7400e46f
sha256
51a013b7628ae2189ba4795ee519e149b5523cd26c0c7b955656af856d58d96f
sha512
35ad4e36bcdf3dddf7c843c73cae429d567248f1a3d482dd562fc19e9525430253a70ce96e51857726cf4bd3e17f185609a10e8914862f29fee10eb1aba28fed
ripemd-160
b641e764c4457ad161c8d5e1cab7bb4f4aed4f61
Diameter
4042291808
Circumference
12699234247.679
Area
1.2833502641816E+19
Volume
3.4584508397974E+28
Surface area
5.1334010567266E+19
Circumference
12699234247.679
Perimeter
8084583616
Area
4085030765255977216
Diagonal
2858331948.9716
Surface area
2.4510184591536E+19
Volume
8.2564431989111E+27
Space diagonal
3500727395.2377
Perimeter
6063437712
Area
1.7688702089763E+18
Altitude
1750363697.6189
Surface area
1.7688702089763E+18
Volume
9.7303116240527E+26
Height
952777316.32388