19867939 is an odd 8-digits composite number following 19867938
and preceding 19867940 . In scientific notation, it is written as 1.9867939 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 14891040 positive integers (up to 19867939) that are relatively prime to 19867939.
19867939 has 16 divisors, whose sum is 25742080
The reverse of 19867939 is 93976891
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
nineteen million eight hundred sixty-seven thousand nine hundred thirty-nine
Scientific notation
1.9867939 × 10^7
Engineering notation
1.9867939 × 10^6
Prime Factorization
13 × 7 × 19 × 11491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19867939
Product of the distinct prime numbers
The prime factorization of 19867939 is 13 × 7 × 19 × 11491.
Since it has a total of 4 prime factors.
8 , 4 , 62 , 48 , 554 , 96 , 3962 , 1398 , 47892 , 81279 , 590289 , 952346 , 1984056 , 3883452 , 54919981 , 39680449 , 693387055 , 56427130 , 7262062186 , 3363644259
n×2
39735878
n×3
59603817
n×4
79471756
n×5
99339695
n÷2
9933969.5
n÷3
6622646.3333333
n÷3
4966984.75
n÷5
3973587.8
n2
394735000107721
n3
7.8425709033052E+21
n4
1.5581572031004E+29
n5
3.095737226361E+36
2 √n
4457.3466322466
3 √n
270.84299398019
4 √n
66.7633629489
5 √n
28.815792195738
1 , 7 , 13 , 19 , 91 , 133 , 247 , 1729 , 11491 , 80437 , 149383 , 218329 , 1045681 , 1528303 , 2838277 , 19867939
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
-19867938
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 19867939 can be divided by 16 positive divisors.
The sum of these divisors (counting 19867939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011110010100100100011
3
Ternary
1101101101200121
4
Quaternary
1023302210203
5
Quinary
20041233224
6
Senary
1545501111
8
Octal
113624443
10
Decimal
19867939
12
Duodecimal
67a1797
16
Hexadecimal
12f2923
20
Vigesimal
6439gj
36
Base36
btu77
md5
15328a25bf694227cfdd0558bdb63513
sha1
20c946dee61c63ca200a21cc9d127076dcb7349c
sha256
0981510581cf31fd87ed051745f91447690b3bdcfe920e5582ae1717e721ab5c
sha512
9aa1d9666cd4b1ed8beb2e1cde237241f21f72312dd91d48484b8f2f9b81a0cde1b34791ef0d59c860253b1f9037b44743ec96bdc89b5745864324e3a0a4c434
ripemd-160
b84093ff67958ab16e3d9c822a4b41771f78c5c1
Diameter
39735878
Circumference
124833942.40874
Area
1.2400965764532E+15
Volume
3.2850884180108E+22
Surface area
4.9603863058127E+15
Circumference
124833942.40874
Perimeter
79471756
Area
394735000107721
Diagonal
28097508.790201
Surface area
2368410000646326
Volume
7.8425709033052E+21
Space diagonal
34412279.789679
Perimeter
59603817
Area
1.7092526892807E+14
Altitude
17206139.89484
Surface area
1.7092526892807E+14
Volume
9.2425584461057E+20
Height
9365836.2634005