13871921 is an odd 8-digits composite number following 13871920
and preceding 13871922 . In scientific notation, it is written as 1.3871921 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 11373120 positive integers (up to 13871921) that are relatively prime to 13871921.
13871921 has 8 divisors, whose sum is 16543104
The reverse of 13871921 is 12917831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirteen million eight hundred seventy-one thousand nine hundred twenty-one
Scientific notation
1.3871921 × 10^7
Engineering notation
1.3871921 × 10^6
Prime Factorization
23 × 7 × 86161
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
13871921
Product of the distinct prime numbers
The prime factorization of 13871921 is 23 × 7 × 86161.
Since it has a total of 3 prime factors.
1 , 3 , 80 , 3 , 51 , 439 , 395 , 2158 , 70463 , 54837 , 112363 , 15559 , 2291459 , 7239513 , 95948689 , 18323194 , 499964171 , 725505033 , 4261604502 , 265837285
n×2
27743842
n×3
41615763
n×4
55487684
n×5
69359605
n÷2
6935960.5
n÷3
4623973.6666667
n÷3
3467980.25
n÷5
2774384.2
n2
192430192230241
n3
2.6693764246327E+21
n4
3.7029378881768E+28
n5
5.1366861852695E+35
2 √n
3724.5027856078
3 √n
240.2770007729
4 √n
61.028704603717
5 √n
26.81805773264
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
-13871920
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 13871921 can be divided by 8 positive divisors.
The sum of these divisors (counting 13871921) is 1, the average is 0.125.
Base
System
Value
2
Binary
110100111010101100110001
3
Ternary
222002202200212
4
Quaternary
310322230301
5
Quinary
12022400141
6
Senary
1213153505
8
Octal
64725461
10
Decimal
13871921
12
Duodecimal
478b895
16
Hexadecimal
d3ab31
20
Vigesimal
46djg1
36
Base36
89bn5
md5
13fa001ea1c68812a23b70344782e020
sha1
b90749180cf6394b75508520e79c8fadd5c49151
sha256
7294b130ddbc5030076050963604e0087539c39d1d75bb0e590074f72a1f056d
sha512
6676f7704a8f77d0fa73cfcdd39d5c04759f83a923964b66326178e7b7d46f16f2daf857e56b086cef4cae7dbff19ab003d210d4ce43ab78052ae3e78d44ba53
ripemd-160
129285536fe0cfec2f6c346bcc5e0a59e33e2644
Diameter
27743842
Circumference
87159850.209556
Area
6.045372782394E+14
Volume
1.1181457820389E+22
Surface area
2.4181491129576E+15
Circumference
87159850.209556
Perimeter
55487684
Area
192430192230241
Diagonal
19617858.814368
Surface area
1154581153381446
Volume
2.6693764246327E+21
Space diagonal
24026871.970582
Perimeter
41615763
Area
83324717463256
Altitude
12013435.985291
Surface area
83324717463256
Volume
3.1458902856622E+20
Height
6539286.271456