13821491 is an odd 8-digits composite number following 13821490
and preceding 13821492 . In scientific notation, it is written as 1.3821491 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 13813800 positive integers (up to 13821491) that are relatively prime to 13821491.
13821491 has 4 divisors, whose sum is 13829184
The reverse of 13821491 is 19412831
Previous prime number is 2861
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
thirteen million eight hundred twenty-one thousand four hundred ninety-one
Scientific notation
1.3821491 × 10^7
Engineering notation
1.3821491 × 10^6
Prime Factorization
2861 × 4831
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13821491
Product of the distinct prime numbers
The prime factorization of 13821491 is 2861 × 4831.
Since it has a total of 2 prime factors.
1 , 3 , 27 , 35 , 57 , 787 , 1247 , 4192 , 25272 , 53315 , 138976 , 130773 , 825493 , 5039533 , 7816359 , 82655179 , 91295228 , 393080003 , 6018203359 , 6821674714
n×2
27642982
n×3
41464473
n×4
55285964
n×5
69107455
n÷2
6910745.5
n÷3
4607163.6666667
n÷3
3455372.75
n÷5
2764298.2
n2
191033613463081
n3
2.6403693691775E+21
n4
3.6493841472762E+28
n5
5.043993014712E+35
2 √n
3717.7265902699
3 √n
239.98547944556
4 √n
60.973162869167
5 √n
26.798530435603
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
-13821490
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 13821491 can be divided by 4 positive divisors.
The sum of these divisors (counting 13821491) is 1, the average is 0.25.
Base
System
Value
2
Binary
110100101110011000110011
3
Ternary
222000012112002
4
Quaternary
310232120303
5
Quinary
12014241431
6
Senary
1212124215
8
Octal
64563063
10
Decimal
13821491
12
Duodecimal
476666b
16
Hexadecimal
d2e633
20
Vigesimal
467deb
36
Base36
888qb
md5
918561ab6125a22032777859775939d3
sha1
3466959f4050a58c393f7d0696e0339818b28dce
sha256
6dd9b2e899dd9821c5bf245d379ce9d4a7485f1d687a427e9345a862976d3eb3
sha512
ef0b477fcf1db61dea425ee348b84b2a9c4bb5d4b2247d0c28d4b67cc927f2d67dc2fb6089f12c3f6af6762566a35a30ea97fef3e430d543d116257f70ee2e74
ripemd-160
41d0285f168d3f93321fd2b0812a074d2baadd2c
Diameter
27642982
Circumference
86842989.174515
Area
6.0014979664433E+14
Volume
1.1059953350629E+22
Surface area
2.4005991865773E+15
Circumference
86842989.174515
Perimeter
55285964
Area
191033613463081
Diagonal
19546540.024418
Surface area
1146201680778486
Volume
2.6403693691775E+21
Space diagonal
23939524.648356
Perimeter
41464473
Area
82719981117883
Altitude
11969762.324178
Surface area
82719981117883
Volume
3.111705142971E+20
Height
6515513.3414726