12961818 is an even 8-digits composite number following 12961817
and preceding 12961819 . In scientific notation, it is written as 1.2961818 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 4320600 positive integers (up to 12961818) that are relatively prime to 12961818.
12961818 has 8 divisors, whose sum is 21603060
The reverse of 12961818 is 81816921
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million nine hundred sixty-one thousand eight hundred eighteen
Scientific notation
1.2961818 × 10^7
Engineering notation
1.2961818 × 10^6
Prime Factorization
2 × 9 × 720101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12961818
Product of the distinct prime numbers
The prime factorization of 12961818 is 2 × 9 × 720101.
Since it has a total of 3 prime factors.
5 , 5 , 36 , 78 , 894 , 924 , 688 , 8663 , 29228 , 64945 , 35871 , 250445 , 2053089 , 5503957 , 46483015 , 19867707 , 869966202 , 775582559 , 7121373764 , 9093681337
n×2
25923636
n×3
38885454
n×4
51847272
n×5
64809090
n÷2
6480909
n÷3
4320606
n÷3
3240454.5
n÷5
2592363.6
n2
168008725865124
n3
2.1776985270756E+21
n4
2.8226931966822E+28
n5
3.6587235485233E+35
2 √n
3600.2524911456
3 √n
234.90304133526
4 √n
60.002104055988
5 √n
26.456548377348
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
-12961817
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 12961818 can be divided by 8 positive divisors.
The sum of these divisors (counting 12961818) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001011100100000011010
3
Ternary
220101112021100
4
Quaternary
301130200122
5
Quinary
11304234233
6
Senary
1141452230
8
Octal
61344032
10
Decimal
12961818
12
Duodecimal
4411076
16
Hexadecimal
c5c81a
20
Vigesimal
4104ai
36
Base36
7ptei
md5
ae57c67dabcee5aa13498028d135fea1
sha1
e804978d6cb4ffbcad94a08192d9cd3d7b9498b7
sha256
4f2ddac66fd532bad6c2fe87690fc025c56cf91b2770b26ca78b50a0dfad253a
sha512
488d9b3eb7da93f87b888d352ca298d9b115f8cf4a5de4761413fc16b0d97922e03a76ef789face581da74831f59f3a32737c2a3cce5d79ee308afbe0782f7ca
ripemd-160
7a8228a3db90b61490dbf2a05850e7842c7b42e1
Diameter
25923636
Circumference
81441504.411936
Area
5.2781497891686E+14
Volume
9.1219222591921E+21
Surface area
2.1112599156674E+15
Circumference
81441504.411936
Perimeter
51847272
Area
168008725865124
Diagonal
18330778.808612
Surface area
1008052355190744
Volume
2.1776985270756E+21
Space diagonal
22450527.334461
Perimeter
38885454
Area
72749912328327
Altitude
11225263.66723
Surface area
72749912328327
Volume
2.5664423264586E+20
Height
6110259.6028706