13000981 is an odd 8-digits composite number following 13000980
and preceding 13000982 . In scientific notation, it is written as 1.3000981 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 11143692 positive integers (up to 13000981) that are relatively prime to 13000981.
13000981 has 4 divisors, whose sum is 14858272
The reverse of 13000981 is 18900031
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
thirteen million nine hundred eighty-one
Scientific notation
1.3000981 × 10^7
Engineering notation
1.3000981 × 10^6
Prime Factorization
7 × 1857283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13000981
Product of the distinct prime numbers
The prime factorization of 13000981 is 7 × 1857283.
Since it has a total of 2 prime factors.
6 , 9 , 27 , 58 , 817 , 878 , 1651 , 6316 , 60173 , 971 , 163751 , 774049 , 6640779 , 3148035 , 13243697 , 28855605 , 266930522 , 718096540 , 6538074250 , 9804221489
n×2
26001962
n×3
39002943
n×4
52003924
n×5
65004905
n÷2
6500490.5
n÷3
4333660.3333333
n÷3
3250245.25
n÷5
2600196.2
n2
169025506962361
n3
2.197497404533E+21
n4
2.8569622003883E+28
n5
3.7143311284967E+35
2 √n
3605.6873131208
3 √n
235.13938313441
4 √n
60.047375572299
5 √n
26.472516320327
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
-13000980
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 13000981 can be divided by 4 positive divisors.
The sum of these divisors (counting 13000981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100110000100010101
3
Ternary
220110111222211
4
Quaternary
301212010111
5
Quinary
11312012411
6
Senary
1142353421
8
Octal
61460425
10
Decimal
13000981
12
Duodecimal
442b871
16
Hexadecimal
c66115
20
Vigesimal
415291
36
Base36
7qnmd
md5
c7123d05ca5cc5eb06003fc92430e8dd
sha1
5175271c98846ce39795969e89994c94d03a54f2
sha256
1678b8e6840a5c93a75a12a7760bcb34f5f4fc896185b9b19724608130349fd9
sha512
23e2cbd9ad4f9128bab5bcfb566f328730a29bea2d26fa840b8c0c444c2ab0c72847dfcea878e366ea3d2aa6a6635c2d72f99a902a0bb858f8299b17f11fff0f
ripemd-160
8dc771c185ac5b53fe5d44cd5f901bbd678757f4
Diameter
26001962
Circumference
81687572.798121
Area
5.3100929094224E+14
Volume
9.2048556031514E+21
Surface area
2.124037163769E+15
Circumference
81687572.798121
Perimeter
52003924
Area
169025506962361
Diagonal
18386163.654355
Surface area
1014153041774166
Volume
2.197497404533E+21
Space diagonal
22518359.640238
Perimeter
39002943
Area
73190191458474
Altitude
11259179.820119
Surface area
73190191458474
Volume
2.5897755273086E+20
Height
6128721.2181183