13012391 is an odd 8-digits composite number following 13012390
and preceding 13012392 . In scientific notation, it is written as 1.3012391 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 10947384 positive integers (up to 13012391) that are relatively prime to 13012391.
13012391 has 16 divisors, whose sum is 15456000
The reverse of 13012391 is 19321031
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
thirteen million twelve thousand three hundred ninety-one
Scientific notation
1.3012391 × 10^7
Engineering notation
1.3012391 × 10^6
Prime Factorization
49 × 7 × 643 × 59
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13012391
Product of the distinct prime numbers
The prime factorization of 13012391 is 49 × 7 × 643 × 59.
Since it has a total of 4 prime factors.
3 , 3 , 78 , 21 , 389 , 500 , 3208 , 135 , 74585 , 95111 , 280259 , 568414 , 5214413 , 5101107 , 57813322 , 1334508 , 551309349 , 850426108 , 4758134320 , 3286683478
n×2
26024782
n×3
39037173
n×4
52049564
n×5
65061955
n÷2
6506195.5
n÷3
4337463.6666667
n÷3
3253097.75
n÷5
2602478.2
n2
169322319536881
n3
2.2032882268408E+21
n4
2.867004789335E+28
n5
3.7306587317699E+35
2 √n
3607.2691887354
3 √n
235.20815117253
4 √n
60.060546024286
5 √n
26.477161284145
1 , 7 , 49 , 59 , 343 , 413 , 643 , 2891 , 4501 , 20237 , 31507 , 37937 , 220549 , 265559 , 1858913 , 13012391
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
-13012390
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 13012391 can be divided by 16 positive divisors.
The sum of these divisors (counting 13012391) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001101000110110100111
3
Ternary
220111002122102
4
Quaternary
301220312213
5
Quinary
11312344031
6
Senary
1142522315
8
Octal
61506647
10
Decimal
13012391
12
Duodecimal
443639b
16
Hexadecimal
c68da7
20
Vigesimal
416ajb
36
Base36
7qwfb
md5
162d03ebf5433bcc91f3a1e3781db576
sha1
d64dafdb38d45b788f34b2f7effc85e8b4d712f0
sha256
c55cb590784c6a5c69c3c64f480e96bac00b257e733cb4e4a1b16099eea9fea1
sha512
0e05360d5692f75079381eecae1f561a6a57a257dfa938be2db4e5b3045631e4a9555bc0be129cec8dc6b7bebb6aeb54cbe77ad8577eeb7be6e12fccf7687997
ripemd-160
5ff56d0308e63e5e5b4ba0dd6d6d18b15cb9c233
Diameter
26024782
Circumference
81759263.942476
Area
5.3194175514585E+14
Volume
9.2291121429121E+21
Surface area
2.1277670205834E+15
Circumference
81759263.942476
Perimeter
52049564
Area
169322319536881
Diagonal
18402299.831102
Surface area
1015933917221286
Volume
2.2032882268408E+21
Space diagonal
22538122.339952
Perimeter
39037173
Area
73318715073323
Altitude
11269061.169976
Surface area
73318715073323
Volume
2.5966000768461E+20
Height
6134099.9437005