12911145 is an odd 8-digits composite number following 12911144
and preceding 12911146 . In scientific notation, it is written as 1.2911145 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 6262272 positive integers (up to 12911145) that are relatively prime to 12911145.
12911145 has 16 divisors, whose sum is 18610368
The reverse of 12911145 is 54111921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twelve million nine hundred eleven thousand one hundred forty-five
Scientific notation
1.2911145 × 10^7
Engineering notation
1.2911145 × 10^6
Prime Factorization
3 × 365 × 13 × 907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12911145
Product of the distinct prime numbers
The prime factorization of 12911145 is 3 × 365 × 13 × 907.
Since it has a total of 4 prime factors.
2 , 8 , 96 , 5 , 815 , 131 , 7096 , 4673 , 50254 , 20284 , 654748 , 892994 , 3141034 , 3089455 , 45583356 , 73701227 , 34495083 , 853764463 , 2215487618 , 1873391380
n×2
25822290
n×3
38733435
n×4
51644580
n×5
64555725
n÷2
6455572.5
n÷3
4303715
n÷3
3227786.25
n÷5
2582229
n2
166697665211025
n3
2.152257726701E+21
n4
2.7788111586807E+28
n5
3.5877633797344E+35
2 √n
3593.2081765464
3 √n
234.59653116507
4 √n
59.943374751063
5 √n
26.435830079382
1 , 3 , 13 , 39 , 365 , 907 , 1095 , 2721 , 4745 , 11791 , 14235 , 35373 , 331055 , 993165 , 4303715 , 12911145
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
-12911144
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 12911145 can be divided by 16 positive divisors.
The sum of these divisors (counting 12911145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001010000001000101001
3
Ternary
220021221202120
4
Quaternary
301100020221
5
Quinary
11301124040
6
Senary
1140421453
8
Octal
61201051
10
Decimal
12911145
12
Duodecimal
43a7889
16
Hexadecimal
c50229
20
Vigesimal
40dhh5
36
Base36
7oqax
md5
d8e2f88837ef4b2b242e9b7c196c55dd
sha1
297391a9f4040cd9ac94aa297e41a4b159b94666
sha256
19e8566ef052e7f42a48dafdcd454ce52b09bcebf1f200f6e265259da6482a94
sha512
824e00424983b24fae923d1d8bcf0e928c3e4e72a8210e70f9785019e3ee850a105e9e58ca9945897304104336d1d78d334105884f07d4fb545c91c0f3ab153c
ripemd-160
b84c5856f5cd92bf5b51f382d2e137fd0c038c2d
Diameter
25822290
Circumference
81123116.562865
Area
5.2369616039753E+14
Volume
9.015356083781E+21
Surface area
2.0947846415901E+15
Circumference
81123116.562865
Perimeter
51644580
Area
166697665211025
Diagonal
18259116.364766
Surface area
1000185991266150
Volume
2.152257726701E+21
Space diagonal
22362759.123889
Perimeter
38733435
Area
72182206412151
Altitude
11181379.561944
Surface area
72182206412151
Volume
2.5364600556857E+20
Height
6086372.1215885