19941387 is an odd 8-digits composite number following 19941386
and preceding 19941388 . In scientific notation, it is written as 1.9941387 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 13294256 positive integers (up to 19941387) that are relatively prime to 19941387.
19941387 has 4 divisors, whose sum is 26588520
The reverse of 19941387 is 78314991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million nine hundred forty-one thousand three hundred eighty-seven
Scientific notation
1.9941387 × 10^7
Engineering notation
1.9941387 × 10^6
Prime Factorization
3 × 6647129
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19941387
Product of the distinct prime numbers
The prime factorization of 19941387 is 3 × 6647129.
Since it has a total of 2 prime factors.
5 , 5 , 37 , 35 , 874 , 451 , 9254 , 5113 , 40422 , 62210 , 455117 , 266158 , 4183651 , 4208869 , 55995125 , 66115320 , 334233412 , 114739917 , 9238626192 , 1548834012
n×2
39882774
n×3
59824161
n×4
79765548
n×5
99706935
n÷2
9970693.5
n÷3
6647129
n÷3
4985346.75
n÷5
3988277.4
n2
397658915483769
n3
7.9298703276621E+21
n4
1.5813261306373E+29
n5
3.153383634425E+36
2 √n
4465.5780140985
3 √n
271.17633526682
4 √n
66.824980464632
5 √n
28.837066063806
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19941386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19941387 can be divided by 4 positive divisors.
The sum of these divisors (counting 19941387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100000100100000001011
3
Ternary
1101112010102220
4
Quaternary
1030010200023
5
Quinary
20101111022
6
Senary
1551225123
8
Octal
114044013
10
Decimal
19941387
12
Duodecimal
68181a3
16
Hexadecimal
130480b
20
Vigesimal
64cd97
36
Base36
bvevf
md5
1c9466c09e641ebecb0488e34ba9175b
sha1
06fd94c28e7d8383ac3adbf66889907e4a9cef0c
sha256
4cb096e513e027483d912a61447efec02863de6b74e6320ebaa8a78e079634a1
sha512
896757f63eecb346cf4f2baf3dbe93323c03c404ebd40daa058122b44c279fe8eb84191a17b2af481b34d4e2ec673abf1b53fd12c7e0d4a48c2c7f602c497afe
ripemd-160
0607915ccad277bdc797b39139edf651692b1e03
Diameter
39882774
Circumference
125295429.80318
Area
1.2492823275183E+15
Volume
3.3216563153737E+22
Surface area
4.9971293100732E+15
Circumference
125295429.80318
Perimeter
79765548
Area
397658915483769
Diagonal
28201379.947931
Surface area
2385953492902614
Volume
7.9298703276621E+21
Space diagonal
34539495.457394
Perimeter
59824161
Area
1.7219136142516E+14
Altitude
17269747.728697
Surface area
1.7219136142516E+14
Volume
9.3454418043665E+20
Height
9400459.9826435