19987466 is an even 8-digits composite number following 19987465
and preceding 19987467 . In scientific notation, it is written as 1.9987466 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 9744384 positive integers (up to 19987466) that are relatively prime to 19987466.
19987466 has 16 divisors, whose sum is 30736584
The reverse of 19987466 is 66478991
Previous prime number is 193
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred eighty-seven thousand four hundred sixty-six
Scientific notation
1.9987466 × 10^7
Engineering notation
1.9987466 × 10^6
Prime Factorization
2 × 53 × 193 × 977
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19987466
Product of the distinct prime numbers
The prime factorization of 19987466 is 2 × 53 × 193 × 977.
Since it has a total of 4 prime factors.
2 , 9 , 45 , 26 , 159 , 447 , 5645 , 1527 , 63 , 45486 , 165305 , 49280 , 1981657 , 9816733 , 47481231 , 61417816 , 700802715 , 670215937 , 1132968486 , 5330157384
n×2
39974932
n×3
59962398
n×4
79949864
n×5
99937330
n÷2
9993733
n÷3
6662488.6666667
n÷3
4996866.5
n÷5
3997493.2
n2
399498797101156
n3
7.9849686241003E+21
n4
1.5959928888527E+29
n5
3.1899853602185E+36
2 √n
4470.7343915737
3 √n
271.38504562585
4 √n
66.863550545673
5 √n
28.85038065108
1 , 2 , 53 , 106 , 193 , 386 , 977 , 1954 , 10229 , 20458 , 51781 , 103562 , 188561 , 377122 , 9993733 , 19987466
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
-19987465
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 19987466 can be divided by 16 positive divisors.
The sum of these divisors (counting 19987466) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111110000001010
3
Ternary
1101121110122112
4
Quaternary
1030033300022
5
Quinary
20104044331
6
Senary
1552222322
8
Octal
114176012
10
Decimal
19987466
12
Duodecimal
683a9a2
16
Hexadecimal
130fc0a
20
Vigesimal
64i8d6
36
Base36
bwefe
md5
ffce9cf46c02c2635169a47ca7bde70a
sha1
5de2a6157fc7138bc0de2e69589bf5717b311d1f
sha256
e04eaa6d42c055aa50c91370f11109de309879f77b4bf59544e1c3728ed45c81
sha512
851afa4edc1b7c7f7e3bf2a44426f58fdaa0afea32d6a7a27a71d254eb667f4e78774ef4d36992053aa6d83a39060b311d1b55b750fd384d7368bb1c174435c3
ripemd-160
d72c5a851460e84f41883028c01cc418ab335304
Diameter
39974932
Circumference
125584952.69895
Area
1.255062486091E+15
Volume
3.3447358358158E+22
Surface area
5.0202499443638E+15
Circumference
125584952.69895
Perimeter
79949864
Area
399498797101156
Diagonal
28266545.494671
Surface area
2396992782606936
Volume
7.9849686241003E+21
Space diagonal
34619306.626555
Perimeter
59962398
Area
1.7298805353546E+14
Altitude
17309653.313278
Surface area
1.7298805353546E+14
Volume
9.4103757694385E+20
Height
9422181.831557