12961805 is an odd 8-digits composite number following 12961804
and preceding 12961806 . In scientific notation, it is written as 1.2961805 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10369440 positive integers (up to 12961805) that are relatively prime to 12961805.
12961805 has 4 divisors, whose sum is 15554172
The reverse of 12961805 is 50816921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million nine hundred sixty-one thousand eight hundred five
Scientific notation
1.2961805 × 10^7
Engineering notation
1.2961805 × 10^6
Prime Factorization
5 × 2592361
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12961805
Product of the distinct prime numbers
The prime factorization of 12961805 is 5 × 2592361.
Since it has a total of 2 prime factors.
6 , 6 , 22 , 64 , 943 , 213 , 4445 , 9566 , 89144 , 85870 , 539412 , 82887 , 5749130 , 2867017 , 26819797 , 1560209 , 257771057 , 547910219 , 8675839027 , 2713471205
n×2
25923610
n×3
38885415
n×4
51847220
n×5
64809025
n÷2
6480902.5
n÷3
4320601.6666667
n÷3
3240451.25
n÷5
2592361
n2
168008388858025
n3
2.1776919747419E+21
n4
2.8226818726669E+28
n5
3.6587052010544E+35
2 √n
3600.2506857162
3 √n
234.90296280356
4 √n
60.002089011269
5 √n
26.456543070449
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12961804
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12961805 can be divided by 4 positive divisors.
The sum of these divisors (counting 12961805) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011100100000001101
3
Ternary
220101112020212
4
Quaternary
301130200031
5
Quinary
11304234210
6
Senary
1141452205
8
Octal
61344015
10
Decimal
12961805
12
Duodecimal
4411065
16
Hexadecimal
c5c80d
20
Vigesimal
4104a5
36
Base36
7pte5
md5
65537385095f720a7286b7234b2e3d67
sha1
ba9387e557a0b4a0d3e664918232fe0666462045
sha256
619d46ade443ba40c8f6e68b3157e0c62b848c563ff6eb54d4d126267d3745d7
sha512
d3017ce9f13fc9c0a7bfb0b6ca22b05f026f865a4eb443eea4868899c3c7b38c8d6d2556b32b7ddeec05ca72f5016e5988c5e729a0da11ef5f69325bd9154653
ripemd-160
3026555d0f48388171eff4278df87621f7575c18
Diameter
25923610
Circumference
81441422.730527
Area
5.2781392017783E+14
Volume
9.1218948128408E+21
Surface area
2.1112556807113E+15
Circumference
81441422.730527
Perimeter
51847220
Area
168008388858025
Diagonal
18330760.423835
Surface area
1008050333148150
Volume
2.1776919747419E+21
Space diagonal
22450504.8178
Perimeter
38885415
Area
72749766399972
Altitude
11225252.4089
Surface area
72749766399972
Volume
2.5664346044592E+20
Height
6110253.4746118