13508721 is an odd 8-digits composite number following 13508720
and preceding 13508722 . In scientific notation, it is written as 1.3508721 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 8785440 positive integers (up to 13508721) that are relatively prime to 13508721.
13508721 has 8 divisors, whose sum is 18061920
The reverse of 13508721 is 12780531
Previous prime number is 369
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
thirteen million five hundred eight thousand seven hundred twenty-one
Scientific notation
1.3508721 × 10^7
Engineering notation
1.3508721 × 10^6
Prime Factorization
3 × 369 × 12203
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
13508721
Product of the distinct prime numbers
The prime factorization of 13508721 is 3 × 369 × 12203.
Since it has a total of 3 prime factors.
4 , 9 , 21 , 30 , 714 , 483 , 4624 , 9203 , 35772 , 57833 , 579565 , 605224 , 6443670 , 1009936 , 93209466 , 86945807 , 752094883 , 872155082 , 5715008663 , 4501427556
n×2
27017442
n×3
40526163
n×4
54034884
n×5
67543605
n÷2
6754360.5
n÷3
4502907
n÷3
3377180.25
n÷5
2701744.2
n2
182485543055841
n3
2.4651462876748E+21
n4
3.3300973424385E+28
n5
4.4985355901843E+35
2 √n
3675.4212003524
3 √n
238.16141981237
4 √n
60.625252167331
5 √n
26.676131304878
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
-13508720
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 13508721 can be divided by 8 positive divisors.
The sum of these divisors (counting 13508721) is 1, the average is 0.125.
Base
System
Value
2
Binary
110011100010000001110001
3
Ternary
221102022111000
4
Quaternary
303202001301
5
Quinary
11424234341
6
Senary
1201312213
8
Octal
63420161
10
Decimal
13508721
12
Duodecimal
4635669
16
Hexadecimal
ce2071
20
Vigesimal
448bg1
36
Base36
81je9
md5
f44cc8a161b9bf77abe4b70858a8a1d2
sha1
dc33df8ffc3b86920670a01f00a8e75001e23743
sha256
fa5eac04379a857a7c3367d30bc297f3c86a200d967f9c53e6745c3b447d1a68
sha512
c5613e5232f0dfde8770677501dbec313791045f8e8548516f333285c9a79b2c5a7c4915e6db827ea2c41ba2896a2a5882e07b0159d1e70e8f77e2e8c30cc847
ripemd-160
63f2e0865eaf85a784d91c36469d7fc02b2a94d4
Diameter
27017442
Circumference
84877797.305988
Area
5.7329524145057E+14
Volume
1.0325980623178E+22
Surface area
2.2931809658023E+15
Circumference
84877797.305988
Perimeter
54034884
Area
182485543055841
Diagonal
19104216.448514
Surface area
1094913258335046
Volume
2.4651462876748E+21
Space diagonal
23397791.117273
Perimeter
40526163
Area
79018558054879
Altitude
11698895.558636
Surface area
79018558054879
Volume
2.9052027610529E+20
Height
6368072.1495047