13261921 is an odd 8-digits composite number following 13261920
and preceding 13261922 . In scientific notation, it is written as 1.3261921 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 12337920 positive integers (up to 13261921) that are relatively prime to 13261921.
13261921 has 12 divisors, whose sum is 14250940
The reverse of 13261921 is 12916231
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
thirteen million two hundred sixty-one thousand nine hundred twenty-one
Scientific notation
1.3261921 × 10^7
Engineering notation
1.3261921 × 10^6
Prime Factorization
17 × 17 × 109 × 421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
780113
Product of the distinct prime numbers
The prime factorization of 13261921 is 17 × 17 × 109 × 421.
Since it has a total of 4 prime factors.
9 , 9 , 10 , 97 , 181 , 11 , 8984 , 7295 , 62944 , 28443 , 456478 , 951159 , 3622023 , 1829175 , 36181552 , 6560465 , 286928599 , 466930661 , 3545974231 , 3965683503
n×2
26523842
n×3
39785763
n×4
53047684
n×5
66309605
n÷2
6630960.5
n÷3
4420640.3333333
n÷3
3315480.25
n÷5
2652384.2
n2
175878548610241
n3
2.3324874172637E+21
n4
3.0933263861245E+28
n5
4.1023450159998E+35
2 √n
3641.6920517803
3 √n
236.7021188267
4 √n
60.34643362934
5 √n
26.577938203444
1 , 17 , 109 , 289 , 421 , 1853 , 7157 , 31501 , 45889 , 121669 , 780113 , 13261921
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13261920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13261921 can be divided by 12 positive divisors.
The sum of these divisors (counting 13261921) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110010100101110001100001
3
Ternary
220221202221021
4
Quaternary
302211301201
5
Quinary
11343340141
6
Senary
1152125441
8
Octal
62456141
10
Decimal
13261921
12
Duodecimal
4536881
16
Hexadecimal
ca5c61
20
Vigesimal
42heg1
36
Base36
7w8yp
md5
48f60cc4a5af5403866bc35b0765dad7
sha1
1bf3972ed1026500398518ea03a1e3d2f704a92a
sha256
8a970c801cb25b682923d38ec7a95f7dd48627ca4a78d0abdf807db32520361f
sha512
f19b7091fb06943bcc7550cf6568ca0120a35ecef10c00182225e90dfe7be09948a0bed40937b685adf416206270876a6e932e4594fc948ac29410e2e66d3468
ripemd-160
c8d47d86be9b96346038c355fe6f7a29ab9864fa
Diameter
26523842
Circumference
83327107.172176
Area
5.5253875623797E+14
Volume
9.7703004462216E+21
Surface area
2.2101550249519E+15
Circumference
83327107.172176
Perimeter
53047684
Area
175878548610241
Diagonal
18755188.541321
Surface area
1055271291661446
Volume
2.3324874172637E+21
Space diagonal
22970320.977965
Perimeter
39785763
Area
76157645538602
Altitude
11485160.488982
Surface area
76157645538602
Volume
2.7488627829657E+20
Height
6251729.5137735