12911013 is an odd 8-digits composite number following 12911012
and preceding 12911014 . In scientific notation, it is written as 1.2911013 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 8154216 positive integers (up to 12911013) that are relatively prime to 12911013.
12911013 has 8 divisors, whose sum is 15100800
The reverse of 12911013 is 31011921
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twelve million nine hundred eleven thousand thirteen
Scientific notation
1.2911013 × 10^7
Engineering notation
1.2911013 × 10^6
Prime Factorization
9 × 19 × 75503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12911013
Product of the distinct prime numbers
The prime factorization of 12911013 is 9 × 19 × 75503.
Since it has a total of 3 prime factors.
3 , 2 , 48 , 19 , 942 , 831 , 9812 , 2741 , 13901 , 29705 , 212732 , 331265 , 4145485 , 9162058 , 257268 , 65007368 , 943303287 , 404154168 , 3713730022 , 1304322568
n×2
25822026
n×3
38733039
n×4
51644052
n×5
64555065
n÷2
6455506.5
n÷3
4303671
n÷3
3227753.25
n÷5
2582202.6
n2
166694256686169
n3
2.1521917151005E+21
n4
2.7786975212154E+28
n5
3.587579981948E+35
2 √n
3593.1898085128
3 √n
234.59573167885
4 √n
59.943221539326
5 √n
26.435776024628
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
-12911012
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 12911013 can be divided by 8 positive divisors.
The sum of these divisors (counting 12911013) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010000000110100101
3
Ternary
220021221120200
4
Quaternary
301100012211
5
Quinary
11301123023
6
Senary
1140421113
8
Octal
61200645
10
Decimal
12911013
12
Duodecimal
43a7799
16
Hexadecimal
c501a5
20
Vigesimal
40dhad
36
Base36
7oq79
md5
98af0cfcf11f129ae7cefef789145229
sha1
02b9654de2d0b183d2b297e24ba53a57143dc19e
sha256
2edfdcf3b1287f4555a68be3c6cc4d29b177d085097a3fc074d347d07a35eafd
sha512
45b80d1f9375cbb9c5e04aa1d0ebc5590eb07c8d2e65c855ebd1ddc63b922e350dfc971d8b39c8c49de0e2abd108d66e11e496f31d74f68e539102caebd4aba3
ripemd-160
66d5f3a0a1dab8729c0fc78a687608456c1c5492
Diameter
25822026
Circumference
81122287.182405
Area
5.2368545220088E+14
Volume
9.0150795750352E+21
Surface area
2.0947418088035E+15
Circumference
81122287.182405
Perimeter
51644052
Area
166694256686169
Diagonal
18258929.688575
Surface area
1000165540117014
Volume
2.1521917151005E+21
Space diagonal
22362530.493182
Perimeter
38733039
Area
72180730477593
Altitude
11181265.246591
Surface area
72180730477593
Volume
2.5363822602684E+20
Height
6086309.8961918