12561639 is an odd 8-digits composite number following 12561638
and preceding 12561640 . In scientific notation, it is written as 1.2561639 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 8374424 positive integers (up to 12561639) that are relatively prime to 12561639.
12561639 has 4 divisors, whose sum is 16748856
The reverse of 12561639 is 93616521
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million five hundred sixty-one thousand six hundred thirty-nine
Scientific notation
1.2561639 × 10^7
Engineering notation
1.2561639 × 10^6
Prime Factorization
3 × 4187213
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12561639
Product of the distinct prime numbers
The prime factorization of 12561639 is 3 × 4187213.
Since it has a total of 2 prime factors.
5 , 6 , 98 , 53 , 325 , 826 , 5410 , 2581 , 49089 , 784 , 648753 , 808610 , 5679185 , 7528791 , 14034599 , 68961322 , 721825110 , 613751354 , 4044183490 , 7457694382
n×2
25123278
n×3
37684917
n×4
50246556
n×5
62808195
n÷2
6280819.5
n÷3
4187213
n÷3
3140409.75
n÷5
2512327.8
n2
157794774366321
n3
1.9821609916762E+21
n4
2.4899190817318E+28
n5
3.1277464643927E+35
2 √n
3544.2402570932
3 √n
232.4602868926
4 √n
59.533522129076
5 √n
26.291130549056
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
-12561638
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 12561639 can be divided by 4 positive divisors.
The sum of these divisors (counting 12561639) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111111010110011100111
3
Ternary
212122012022220
4
Quaternary
233322303213
5
Quinary
11203433024
6
Senary
1125123423
8
Octal
57726347
10
Decimal
12561639
12
Duodecimal
4259573
16
Hexadecimal
bface7
20
Vigesimal
3ia41j
36
Base36
7h8mf
md5
9cf4fbd03a0bb455cb52690b1b67c3af
sha1
052d6deaf63794b16901dfda4057fa1d910f84cf
sha256
4f75e9f7d2bf7e94298888279de8bf0a1d5a9b297b60caac864c4ad7eb1c3000
sha512
19b997380708d070beacd4d922549223de51232d13a938d9661fe40382522ab75dfb49d683159d41d3d31836674633c662dd51e58ae48f05871f928a3fb1fd3f
ripemd-160
77ee365d4f0a319729c857bec95774cb055616ac
Diameter
25123278
Circumference
78927105.598894
Area
4.9572690392409E+14
Volume
8.3028565462429E+21
Surface area
1.9829076156964E+15
Circumference
78927105.598894
Perimeter
50246556
Area
157794774366321
Diagonal
17764840.239435
Surface area
946768646197926
Volume
1.9821609916762E+21
Space diagonal
21757396.974339
Perimeter
37684917
Area
68327141592834
Altitude
10878698.487169
Surface area
68327141592834
Volume
2.3359991310295E+20
Height
5921613.4131449