12561620 is an even 8-digits composite number following 12561619
and preceding 12561621 . In scientific notation, it is written as 1.2561620 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 5009312 positive integers (up to 12561620) that are relatively prime to 12561620.
12561620 has 24 divisors, whose sum is 26460000
The reverse of 12561620 is 02616521
Previous prime number is 419
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twelve million five hundred sixty-one thousand six hundred twenty
Scientific notation
1.2561620 × 10^7
Engineering notation
1.2561620 × 10^6
Prime Factorization
2 × 2 × 5 × 419 × 1499
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6280810
Product of the distinct prime numbers
The prime factorization of 12561620 is 2 × 2 × 5 × 419 × 1499.
Since it has a total of 5 prime factors.
3 , 2 , 15 , 67 , 899 , 886 , 1628 , 6356 , 95384 , 22096 , 385649 , 367288 , 3035444 , 9310369 , 96625102 , 34475891 , 467110304 , 665823726 , 4869468584 , 9326035016
n×2
25123240
n×3
37684860
n×4
50246480
n×5
62808100
n÷2
6280810
n÷3
4187206.6666667
n÷3
3140405
n÷5
2512324
n2
157794297024400
n3
1.9821519973876E+21
n4
2.4899040173425E+28
n5
3.1277228102329E+35
2 √n
3544.237576687
3 √n
232.4601696906
4 √n
59.533499617333
5 √n
26.291122595766
1 , 2 , 4 , 5 , 10 , 20 , 419 , 838 , 1499 , 1676 , 2095 , 2998 , 4190 , 5996 , 7495 , 8380 , 14990 , 29980 , 628081 , 1256162 , 2512324 , 3140405 , 6280810 , 12561620
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12561619
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12561620 can be divided by 24 positive divisors.
The sum of these divisors (counting 12561620) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101111111010110011010100
3
Ternary
212122012022012
4
Quaternary
233322303110
5
Quinary
11203432440
6
Senary
1125123352
8
Octal
57726324
10
Decimal
12561620
12
Duodecimal
4259558
16
Hexadecimal
bfacd4
20
Vigesimal
3ia410
36
Base36
7h8lw
md5
f510aff9e9a321b36b4bae4c4cf969d4
sha1
27aa97fe160a99f7147c22fdb559749594791d9e
sha256
6b1b584e3fc7fcaf3c0f341333411afb891eb027557fa6e5208fd464677a8409
sha512
09c4d08e168afb6e89693fa51c3fd104dd7b2604c6cb8af0162ef15eb809a9a9d43503a9873d8dcff026af9d0bb88ceca7a5b050c175f430ceb1e4aace13cfef
ripemd-160
2357d01fc29509c4c78148bbbf269466386bb104
Diameter
25123240
Circumference
78926986.218373
Area
4.9572540431022E+14
Volume
8.3028188710551E+21
Surface area
1.9829016172409E+15
Circumference
78926986.218373
Perimeter
50246480
Area
157794297024400
Diagonal
17764813.369377
Surface area
946765782146400
Volume
1.9821519973876E+21
Space diagonal
21757364.065373
Perimeter
37684860
Area
68326934897719
Altitude
10878682.032687
Surface area
68326934897719
Volume
2.3359885311588E+20
Height
5921604.456459