2021079945 is an odd 10-digits composite number following 2021079944
and preceding 2021079946 . In scientific notation, it is written as 2.021079945 × 10^9.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 1076940480 positive integers (up to 2021079945) that are relatively prime to 2021079945.
2021079945 has 16 divisors, whose sum is 3236634432
The reverse of 2021079945 is 5499701202
Previous prime number is 1123
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
two billion twenty-one million seventy-nine thousand nine hundred forty-five
Scientific notation
2.021079945 × 10^9
Engineering notation
2.021079945 × 10^9
Prime Factorization
3 × 5 × 1123 × 119981
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2021079945
Product of the distinct prime numbers
The prime factorization of 2021079945 is 3 × 5 × 1123 × 119981.
Since it has a total of 4 prime factors.
7 , 2 , 33 , 58 , 563 , 262 , 3715 , 5208 , 66587 , 40002 , 238823 , 441747 , 589959 , 2061323 , 14693931 , 81426248 , 856407462 , 931619242 , 2804058018 , 8978032229
n×2
4042159890
n×3
6063239835
n×4
8084319780
n×5
10105399725
n÷2
1010539972.5
n÷3
673693315
n÷3
505269986.25
n÷5
404215989
n2
4084764144081203025
n3
8.2556348916576E+27
n4
1.6685298112771E+37
n5
3.3722321392069E+46
2 √n
44956.422733576
3 √n
1264.3320996283
4 √n
212.02929687563
5 √n
72.630109433811
1 , 3 , 5 , 15 , 1123 , 3369 , 5615 , 16845 , 119981 , 359943 , 599905 , 1799715 , 134738663 , 404215989 , 673693315 , 2021079945
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
-2021079944
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 2021079945 can be divided by 16 positive divisors.
The sum of these divisors (counting 2021079945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000011101110011101110001001
3
Ternary
12012212000111110210
4
Quaternary
1320131303232021
5
Quinary
13114344024240
6
Senary
532314431333
8
Octal
17035635611
10
Decimal
2021079945
12
Duodecimal
484a32549
16
Hexadecimal
78773b89
20
Vigesimal
1bbbejh5
36
Base36
xfar9l
md5
a8eb5571d92a482809a2b121b3155aa7
sha1
240271d262aa68c481b2ba0098e0ac5714d68b0b
sha256
546dd87c5d09ee272ce1136f6e963ea3ea6d016aa968ed1252ae075695c541bf
sha512
382ae151ce2518a247d09d48f86cd46ce4883d0a81657e1f99a66eef27b19ce66e4983ec23b51cf9fee52a25b2fa9d95beb6f77ed867ac953acd0560d9d68717
ripemd-160
2dc09893b8fa02ea6d7069627628ce3fe5c44b7a
Diameter
4042159890
Circumference
12698819815.059
Area
1.2832665026693E+19
Volume
3.4581122568468E+28
Surface area
5.133066010677E+19
Circumference
12698819815.059
Perimeter
8084319780
Area
4084764144081203025
Diagonal
2858238668.8593
Surface area
2.4508584864487E+19
Volume
8.2556348916576E+27
Space diagonal
3500613150.8985
Perimeter
6063239835
Area
1.7687547586211E+18
Altitude
1750306575.4493
Surface area
1.7687547586211E+18
Volume
9.7293590248189E+26
Height
952746222.95309