12521640 is an even 8-digits composite number following 12521639
and preceding 12521641 . In scientific notation, it is written as 1.2521640 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 16 positive divisors.
There are 3339072 positive integers (up to 12521640) that are relatively prime to 12521640.
12521640 has 16 divisors, whose sum is 25043520
The reverse of 12521640 is 04612521
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twelve million five hundred twenty-one thousand six hundred forty
Scientific notation
1.2521640 × 10^7
Engineering notation
1.2521640 × 10^6
Prime Factorization
2 × 2 × 2 × 15 × 104347
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3130410
Product of the distinct prime numbers
The prime factorization of 12521640 is 2 × 2 × 2 × 15 × 104347.
Since it has a total of 5 prime factors.
6 , 7 , 89 , 27 , 278 , 548 , 3048 , 9412 , 46175 , 11278 , 601200 , 306682 , 3045476 , 4068793 , 29980361 , 50538401 , 794899486 , 368459326 , 3577984151 , 6506315522
n×2
25043280
n×3
37564920
n×4
50086560
n×5
62608200
n÷2
6260820
n÷3
4173880
n÷3
3130410
n÷5
2504328
n2
156791468289600
n3
1.9632863209938E+21
n4
2.4583564528409E+28
n5
3.078265449415E+35
2 √n
3538.592940704
3 √n
232.21328978086
4 √n
59.486073502157
5 √n
26.274365842966
1 , 2 , 4 , 8 , 15 , 30 , 60 , 120 , 104347 , 208694 , 417388 , 834776 , 1565205 , 3130410 , 6260820 , 12521640
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12521639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12521640 can be divided by 16 positive divisors.
The sum of these divisors (counting 12521640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111110001000010101000
3
Ternary
212120011110110
4
Quaternary
233301002220
5
Quinary
11201143030
6
Senary
1124214320
8
Octal
57610250
10
Decimal
12521640
12
Duodecimal
423a3a0
16
Hexadecimal
bf10a8
20
Vigesimal
3i5420
36
Base36
7gdrc
md5
547f84c019e42d41c021a77352ba669a
sha1
81eeb1a11c8b303dc0ba4b447feab71b7a91f244
sha256
b5f6e6c93e309f20ba13cb445539320cc45828f71c82d6ca534945b17f8c6c8b
sha512
fa556f864493678f7d1cd0ac43b12991a4dac93cda6acfdb750940982502502b8df50da759c026e4ef967424f2f64944ddc6a28dcf47f372d5e329abf155e42a
ripemd-160
2104383f2a19280a7feeeffa2b6e6ae2b0eaeb9f
Diameter
25043280
Circumference
78675784.469792
Area
4.9257492492416E+14
Volume
8.2237945105699E+21
Surface area
1.9702996996967E+15
Circumference
78675784.469792
Perimeter
50086560
Area
156791468289600
Diagonal
17708273.111153
Surface area
940748809737600
Volume
1.9632863209938E+21
Space diagonal
21688116.674087
Perimeter
37564920
Area
67892697317728
Altitude
10844058.337043
Surface area
67892697317728
Volume
2.3137551183092E+20
Height
5902757.7037178