20783980 is an even 8-digits composite number following 20783979
and preceding 20783981 . In scientific notation, it is written as 2.0783980 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 7125888 positive integers (up to 20783980) that are relatively prime to 20783980.
20783980 has 12 divisors, whose sum is 37411416
The reverse of 20783980 is 08938702
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million seven hundred eighty-three thousand nine hundred eighty
Scientific notation
2.0783980 × 10^7
Engineering notation
2.0783980 × 10^6
Prime Factorization
2 × 2 × 35 × 148457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10391990
Product of the distinct prime numbers
The prime factorization of 20783980 is 2 × 2 × 35 × 148457.
Since it has a total of 4 prime factors.
1 , 7 , 54 , 68 , 70 , 64 , 1795 , 1273 , 8780 , 16186 , 292424 , 556859 , 8957937 , 9378649 , 99328228 , 26580082 , 51770143 , 965350384 , 9146185118 , 7058638127
n×2
41567960
n×3
62351940
n×4
83135920
n×5
103919900
n÷2
10391990
n÷3
6927993.3333333
n÷3
5195995
n÷5
4156796
n2
431973824640400
n3
8.9781353318496E+21
n4
1.8660138517446E+29
n5
3.8783194574382E+36
2 √n
4558.9450534087
3 √n
274.94315078312
4 √n
67.51996040734
5 √n
29.076742014458
1 , 2 , 4 , 35 , 70 , 140 , 148457 , 296914 , 593828 , 5195995 , 10391990 , 20783980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20783979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20783980 can be divided by 12 positive divisors.
The sum of these divisors (counting 20783980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111010010001101101100
3
Ternary
1110002221021001
4
Quaternary
1033102031230
5
Quinary
20310041410
6
Senary
2021250044
8
Octal
117221554
10
Decimal
20783980
12
Duodecimal
6b63924
16
Hexadecimal
13d236c
20
Vigesimal
69hjj0
36
Base36
cdh0s
md5
5ce6ed76cca8cd051979ce5003734511
sha1
b5af78e2f64a85241367ad39dbf0523d80fd0341
sha256
bc5aaba4f4538b755f9fb9358864fcb1abce993b45735b0c672b87e03f546efb
sha512
74e4f9526ceb59ac511c3ea115340f14212ffc24a833a3d953b6794ccc98c2902432efe390ebd98b7ec2f9ac6124d29eb8ea1ac14431aea59d0a01a26c852291
ripemd-160
1254b0c6bb7c68afd27df07f9a469df3e872ed2b
Diameter
41567960
Circumference
130589597.76071
Area
1.3570857940334E+15
Volume
3.7607525335298E+22
Surface area
5.4283431761335E+15
Circumference
130589597.76071
Perimeter
83135920
Area
431973824640400
Diagonal
29392986.396091
Surface area
2591842947842400
Volume
8.9781353318496E+21
Space diagonal
35998909.343495
Perimeter
62351940
Area
1.8705015295426E+14
Altitude
17999454.671748
Surface area
1.8705015295426E+14
Volume
1.0580833959269E+21
Height
9797662.1320304