19720557 is an odd 8-digits composite number following 19720556
and preceding 19720558 . In scientific notation, it is written as 1.9720557 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors.
There are 12722400 positive integers (up to 19720557) that are relatively prime to 19720557.
19720557 has 16 divisors, whose sum is 30159360
The reverse of 19720557 is 75502791
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
nineteen million seven hundred twenty thousand five hundred fifty-seven
Scientific notation
1.9720557 × 10^7
Engineering notation
1.9720557 × 10^6
Prime Factorization
3 × 3 × 3 × 31 × 23561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2191173
Product of the distinct prime numbers
The prime factorization of 19720557 is 3 × 3 × 3 × 31 × 23561.
Since it has a total of 5 prime factors.
7 , 10 , 55 , 29 , 756 , 827 , 262 , 1095 , 28083 , 68578 , 37938 , 160334 , 8178894 , 6308011 , 38190304 , 18209340 , 112672037 , 664516026 , 7258603297 , 4816120705
n×2
39441114
n×3
59161671
n×4
78882228
n×5
98602785
n÷2
9860278.5
n÷3
6573519
n÷3
4930139.25
n÷5
3944111.4
n2
388900368390249
n3
7.6693318821609E+21
n4
1.5124349653407E+29
n5
2.9826059942795E+36
2 √n
4440.7833768379
3 √n
270.1716192861
4 √n
66.639203002721
5 √n
28.772913192602
1 , 3 , 9 , 27 , 31 , 93 , 279 , 837 , 23561 , 70683 , 212049 , 636147 , 730391 , 2191173 , 6573519 , 19720557
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
-19720556
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 19720557 can be divided by 16 positive divisors.
The sum of these divisors (counting 19720557) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011001110100101101101
3
Ternary
1101002220112000
4
Quaternary
1023032211231
5
Quinary
20022024212
6
Senary
1542402513
8
Octal
113164555
10
Decimal
19720557
12
Duodecimal
6730439
16
Hexadecimal
12ce96d
20
Vigesimal
63517h
36
Base36
bqoh9
md5
a467725f5481cdbc96c973800b1be21c
sha1
c36b884cbf7c7441e96f811e80eacbecb5639447
sha256
60b81360ce0de976b1b9925c74f18c13504b14804b649c81a2a3b6bcb04f092b
sha512
5a4cd0e9a9244fb20293528a91e367b4feb3edd81852e64c804b512ff606b285b4e2fb8dc9236a98da494c784d47b1f3689f44fe0cf99353aa651bec3d95c420
ripemd-160
19b1868a47b55622a823068a2e15b32176722645
Diameter
39441114
Circumference
123907913.9918
Area
1.2217665403132E+15
Volume
3.2125222265252E+22
Surface area
4.8870661612527E+15
Circumference
123907913.9918
Perimeter
78882228
Area
388900368390249
Diagonal
27889079.166952
Surface area
2333402210341494
Volume
7.6693318821609E+21
Space diagonal
34157006.677558
Perimeter
59161671
Area
1.6839879928354E+14
Altitude
17078503.338779
Surface area
1.6839879928354E+14
Volume
9.0383943017436E+20
Height
9296359.7223172