13887938 is an even 8-digits composite number following 13887937
and preceding 13887939 . In scientific notation, it is written as 1.3887938 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 6719940 positive integers (up to 13887938) that are relatively prime to 13887938.
13887938 has 8 divisors, whose sum is 21504000
The reverse of 13887938 is 83978831
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
thirteen million eight hundred eighty-seven thousand nine hundred thirty-eight
Scientific notation
1.3887938 × 10^7
Engineering notation
1.3887938 × 10^6
Prime Factorization
2 × 31 × 223999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
13887938
Product of the distinct prime numbers
The prime factorization of 13887938 is 2 × 31 × 223999.
Since it has a total of 3 prime factors.
9 , 9 , 2 , 38 , 290 , 544 , 9301 , 7519 , 99593 , 23463 , 953476 , 235963 , 8816733 , 4205296 , 22349992 , 12594798 , 9219172 , 860530989 , 6892008237 , 6516369597
n×2
27775876
n×3
41663814
n×4
55551752
n×5
69439690
n÷2
6943969
n÷3
4629312.6666667
n÷3
3471984.5
n÷5
2777587.6
n2
192874821891844
n3
2.678633568195E+21
n4
3.7200696919811E+28
n5
5.1664097237912E+35
2 √n
3726.6523851843
3 √n
240.36944258301
4 √n
61.046313444665
5 √n
26.824247885844
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13887937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13887938 can be divided by 8 positive divisors.
The sum of these divisors (counting 13887938) is 1, the average is 0.125.
Base
System
Value
2
Binary
110100111110100111000010
3
Ternary
222010120200002
4
Quaternary
310332213002
5
Quinary
12023403223
6
Senary
1213400002
8
Octal
64764702
10
Decimal
13887938
12
Duodecimal
4799002
16
Hexadecimal
d3e9c2
20
Vigesimal
46fjgi
36
Base36
89o02
md5
b2754d51a559da2ff88e7e8929acbbca
sha1
2ed36e082155a9f55003672fa6c741dfeb94d3c8
sha256
f653264373c424e55bf653afb81e3fba30dd1aa3a262a327cd2c724e8ba4712b
sha512
1efa219b6450982b84cd7e300096acae9df097f2972d81029de945ce5df32ed242740bad414b9991ed958563df84f943e6a7d434e383a9d2cf2299fdd73ac054
ripemd-160
7aae26041b3096868fe7c867aed6e5e4033abce1
Diameter
27775876
Circumference
87260487.988621
Area
6.0593412351786E+14
Volume
1.1220234052667E+22
Surface area
2.4237364940714E+15
Circumference
87260487.988621
Perimeter
55551752
Area
192874821891844
Diagonal
19640510.272997
Surface area
1157248931351064
Volume
2.678633568195E+21
Space diagonal
24054614.228366
Perimeter
41663814
Area
83517247754368
Altitude
12027307.114183
Surface area
83517247754368
Volume
3.1567999339743E+20
Height
6546836.7576656