12555440 is an even 8-digits composite number following 12555439
and preceding 12555441 . In scientific notation, it is written as 1.2555440 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 5022144 positive integers (up to 12555440) that are relatively prime to 12555440.
12555440 has 20 divisors, whose sum is 29191584
The reverse of 12555440 is 04455521
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twelve million five hundred fifty-five thousand four hundred forty
Scientific notation
1.2555440 × 10^7
Engineering notation
1.2555440 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 156943
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1569430
Product of the distinct prime numbers
The prime factorization of 12555440 is 2 × 2 × 2 × 2 × 5 × 156943.
Since it has a total of 6 prime factors.
8 , 7 , 56 , 11 , 147 , 737 , 5509 , 2072 , 34231 , 86619 , 48483 , 898488 , 3903390 , 8235176 , 12873230 , 2810962 , 316959204 , 154713397 , 9573176533 , 8042048499
n×2
25110880
n×3
37666320
n×4
50221760
n×5
62777200
n÷2
6277720
n÷3
4185146.6666667
n÷3
3138860
n÷5
2511088
n2
157639073593600
n3
1.97922793016E+21
n4
2.4850077523448E+28
n5
3.1200365734101E+35
2 √n
3543.3656317123
3 √n
232.42204192512
4 √n
59.526176021246
5 √n
26.288535172785
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 156943 , 313886 , 627772 , 784715 , 1255544 , 1569430 , 2511088 , 3138860 , 6277720 , 12555440
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12555439
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12555440 can be divided by 20 positive divisors.
The sum of these divisors (counting 12555440) is 1, the average is 0.05.
Base
System
Value
2
Binary
101111111001010010110000
3
Ternary
212121212211022
4
Quaternary
233321102300
5
Quinary
11203233230
6
Senary
1125035012
8
Octal
57712260
10
Decimal
12555440
12
Duodecimal
4255a68
16
Hexadecimal
bf94b0
20
Vigesimal
3i98c0
36
Base36
7h3u8
md5
e8938ca587ef9acb48c70a1035636a02
sha1
497b7b74f21932ab049ef6755e70856b7bb56b46
sha256
83c779532f583e9c8119c12d9c10d916a835d0cd0a113a8b3660cb1e8af7620f
sha512
8cc590fd9afa0986a9c88322a90c3d2b343cddb9eb73f853dcffe73b3aa1bed85798601e03971828bef0e26255390efb8519f886b60a05f08dc06f9e8e3e5371
ripemd-160
2b83edfc6b3dcb5b4670c0ddef6b3a1f3baed059
Diameter
25110880
Circumference
78888156.133175
Area
4.9523775552035E+14
Volume
8.290570566894E+21
Surface area
1.9809510220814E+15
Circumference
78888156.133175
Perimeter
50221760
Area
157639073593600
Diagonal
17756073.529562
Surface area
945834441561600
Volume
1.97922793016E+21
Space diagonal
21746659.991383
Perimeter
37666320
Area
68259721180551
Altitude
10873329.995691
Surface area
68259721180551
Volume
2.3325424848833E+20
Height
5918691.1765206