13013985 is an odd 8-digits composite number following 13013984
and preceding 13013986 . In scientific notation, it is written as 1.3013985 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6856512 positive integers (up to 13013985) that are relatively prime to 13013985.
13013985 has 16 divisors, whose sum is 21075264
The reverse of 13013985 is 58931031
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirteen million thirteen thousand nine hundred eighty-five
Scientific notation
1.3013985 × 10^7
Engineering notation
1.3013985 × 10^6
Prime Factorization
3 × 5 × 83 × 10453
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13013985
Product of the distinct prime numbers
The prime factorization of 13013985 is 3 × 5 × 83 × 10453.
Since it has a total of 4 prime factors.
1 , 2 , 87 , 59 , 97 , 328 , 2697 , 8114 , 93126 , 85500 , 381595 , 516895 , 6553601 , 851486 , 91584594 , 73808808 , 770199429 , 542519533 , 5210229859 , 9552397706
n×2
26027970
n×3
39041955
n×4
52055940
n×5
65069925
n÷2
6506992.5
n÷3
4337995
n÷3
3253496.25
n÷5
2602797
n2
169363805580225
n3
2.204098025364E+21
n4
2.8684098640616E+28
n5
3.732944294475E+35
2 √n
3607.4901247266
3 √n
235.21775500539
4 √n
60.062385273369
5 √n
26.47780993553
1 , 3 , 5 , 15 , 83 , 249 , 415 , 1245 , 10453 , 31359 , 52265 , 156795 , 867599 , 2602797 , 4337995 , 13013985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13013984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13013985 can be divided by 16 positive divisors.
The sum of these divisors (counting 13013985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001101001001111100001
3
Ternary
220111011211110
4
Quaternary
301221033201
5
Quinary
11312421420
6
Senary
1142533533
8
Octal
61511741
10
Decimal
13013985
12
Duodecimal
44372a9
16
Hexadecimal
c693e1
20
Vigesimal
416ej5
36
Base36
7qxnl
md5
296fe15f75d526671c6e25df1964dbeb
sha1
77eb5bf3a5c13aa42602a87a65ab4fb8319d3836
sha256
5396a4c8eb3ed9df19b1bed4960077d2fa2bf3e541a00301f30eedc185f626b0
sha512
09049e9d2d19f6c7f0349262a42d0f576d968a908825316ed337bcb9c91c182a13af2c97f3afe4261f0f8e65318c6d32ae9a877b4137625c64d1691c224d0382
ripemd-160
13ef8eda08afdc741ef6dce0c59703b3fcbaecdc
Diameter
26027970
Circumference
81769279.339856
Area
5.3207208739484E+14
Volume
9.2325042190336E+21
Surface area
2.1282883495794E+15
Circumference
81769279.339856
Perimeter
52055940
Area
169363805580225
Diagonal
18404554.08752
Surface area
1016182833481350
Volume
2.204098025364E+21
Space diagonal
22540883.228939
Perimeter
39041955
Area
73336679057042
Altitude
11270441.61447
Surface area
73336679057042
Volume
2.5975544335579E+20
Height
6134851.3625067