19493887 is an odd 8-digits composite number following 19493886
and preceding 19493888 . In scientific notation, it is written as 1.9493887 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 15966720 positive integers (up to 19493887) that are relatively prime to 19493887.
19493887 has 16 divisors, whose sum is 23284800
The reverse of 19493887 is 78839491
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million four hundred ninety-three thousand eight hundred eighty-seven
Scientific notation
1.9493887 × 10^7
Engineering notation
1.9493887 × 10^6
Prime Factorization
7 × 29 × 109 × 881
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19493887
Product of the distinct prime numbers
The prime factorization of 19493887 is 7 × 29 × 109 × 881.
Since it has a total of 4 prime factors.
10 , 1 , 2 , 70 , 958 , 708 , 4964 , 592 , 78373 , 80780 , 141198 , 918624 , 7713009 , 9177419 , 3859524 , 98430690 , 903029637 , 521537583 , 1828279483 , 1414967918
n×2
38987774
n×3
58481661
n×4
77975548
n×5
97469435
n÷2
9746943.5
n÷3
6497962.3333333
n÷3
4873471.75
n÷5
3898777.4
n2
380011630368769
n3
7.4079037810946E+21
n4
1.4440883921553E+29
n5
2.8150895934687E+36
2 √n
4415.1882179586
3 √n
269.13250152915
4 √n
66.446882680518
5 √n
28.706463240849
1 , 7 , 29 , 109 , 203 , 763 , 881 , 3161 , 6167 , 22127 , 25549 , 96029 , 178843 , 672203 , 2784841 , 19493887
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
-19493886
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 19493887 can be divided by 16 positive divisors.
The sum of these divisors (counting 19493887) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010010111001111111111
3
Ternary
1100200101120211
4
Quaternary
1022113033333
5
Quinary
14442301022
6
Senary
1533453251
8
Octal
112271777
10
Decimal
19493887
12
Duodecimal
6641227
16
Hexadecimal
12973ff
20
Vigesimal
61gee7
36
Base36
bltkv
md5
c51715109a6305523b03db41dad46026
sha1
c72593c191611ea7d48b147dcea523d447f8b18f
sha256
52d98f26ce1d74ff9034768d74568d19bcea13db06d80deb4c10977d8a2d6ff6
sha512
1f59cd422740044b699658ccb00d9c5d29a363df997842db4b1a799dc389b9e53d473dcbc142c1b50ab2ae4df0ecf103acafe43c2d808598693334c11bc751db
ripemd-160
c05d392a9828ae8d2f61f3e745e69f7835ef1f9f
Diameter
38987774
Circumference
122483704.37822
Area
1.1938417462452E+15
Volume
3.1030154796249E+22
Surface area
4.7753669849808E+15
Circumference
122483704.37822
Perimeter
77975548
Area
380011630368769
Diagonal
27568519.378769
Surface area
2280069782212614
Volume
7.4079037810946E+21
Space diagonal
33764402.721006
Perimeter
58481661
Area
1.6454986281645E+14
Altitude
16882201.360503
Surface area
1.6454986281645E+14
Volume
8.7302983299824E+20
Height
9189506.4595895