12581661 is an odd 8-digits composite number following 12581660
and preceding 12581662 . In scientific notation, it is written as 1.2581661 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 8360352 positive integers (up to 12581661) that are relatively prime to 12581661.
12581661 has 8 divisors, whose sum is 16830400
The reverse of 12581661 is 16618521
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million five hundred eighty-one thousand six hundred sixty-one
Scientific notation
1.2581661 × 10^7
Engineering notation
1.2581661 × 10^6
Prime Factorization
3 × 313 × 13399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12581661
Product of the distinct prime numbers
The prime factorization of 12581661 is 3 × 313 × 13399.
Since it has a total of 3 prime factors.
5 , 3 , 50 , 17 , 107 , 942 , 1160 , 3115 , 60059 , 40213 , 515966 , 708776 , 6496985 , 8938745 , 59446181 , 36101118 , 826344619 , 843836478 , 4168536983 , 5419024816
n×2
25163322
n×3
37744983
n×4
50326644
n×5
62908305
n÷2
6290830.5
n÷3
4193887
n÷3
3145415.25
n÷5
2516332.2
n2
158298193518921
n3
1.9916542077675E+21
n4
2.5058318071354E+28
n5
3.1527526320395E+35
2 √n
3547.0637152439
3 √n
232.58372750442
4 √n
59.557230587427
5 √n
26.299506298816
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
-12581660
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 12581661 can be divided by 8 positive divisors.
The sum of these divisors (counting 12581661) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111111111101100011101
3
Ternary
212200012210110
4
Quaternary
233333230131
5
Quinary
11210103121
6
Senary
1125400233
8
Octal
57775435
10
Decimal
12581661
12
Duodecimal
4269079
16
Hexadecimal
bffb1d
20
Vigesimal
3ice31
36
Base36
7ho2l
md5
09839684509d42ecb4294cb098b43b41
sha1
1782f5dedd2257e186eb6c10de5e867eb843be81
sha256
0014bce54451b3f798711e632ef0b91b4c285e1f9be32fdc0f8ead79fc7e52bd
sha512
ffea5d2a6105696f0cb909b5d17bb5dd546e48f06efc458f170ce6ca5417fcdd032f89b3ea1599d96df59ab883a87d63c6be25eec522dfb0a438454f1b9ef58d
ripemd-160
a2dabb33c0a6596f0f7410e65eb363aebb6c33f2
Diameter
25163322
Circumference
79052907.535114
Area
4.9730844183558E+14
Volume
8.3426216368179E+21
Surface area
1.9892337673423E+15
Circumference
79052907.535114
Perimeter
50326644
Area
158298193518921
Diagonal
17793155.623381
Surface area
949789161113526
Volume
1.9916542077675E+21
Space diagonal
21792076.095608
Perimeter
37744983
Area
68545128480285
Altitude
10896038.047804
Surface area
68545128480285
Volume
2.3471869934852E+20
Height
5931051.8744602