12542840 is an even 8-digits composite number following 12542839
and preceding 12542841 . In scientific notation, it is written as 1.2542840 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors.
There are 5017120 positive integers (up to 12542840) that are relatively prime to 12542840.
12542840 has 16 divisors, whose sum is 28221480
The reverse of 12542840 is 04824521
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 forty-two thousand eight hundred forty
Scientific notation
1.2542840 × 10^7
Engineering notation
1.2542840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 313571
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3135710
Product of the distinct prime numbers
The prime factorization of 12542840 is 2 × 2 × 2 × 5 × 313571.
Since it has a total of 5 prime factors.
7 , 1 , 97 , 94 , 792 , 396 , 2736 , 9425 , 75885 , 7056 , 390417 , 144883 , 6367009 , 6291079 , 20197012 , 98628370 , 166636326 , 359083426 , 434956109 , 6781651006
n×2
25085680
n×3
37628520
n×4
50171360
n×5
62714200
n÷2
6271420
n÷3
4180946.6666667
n÷3
3135710
n÷5
2508568
n2
157322835265600
n3
1.9732751510828E+21
n4
2.4750474496007E+28
n5
3.104412415275E+35
2 √n
3541.5872147951
3 √n
232.34426692847
4 √n
59.511236038206
5 √n
26.283256686524
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 313571 , 627142 , 1254284 , 1567855 , 2508568 , 3135710 , 6271420 , 12542840
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
-12542839
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 12542840 can be divided by 16 positive divisors.
The sum of these divisors (counting 12542840) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111110110001101111000
3
Ternary
212121020112122
4
Quaternary
233312031320
5
Quinary
11202332330
6
Senary
1124500412
8
Octal
57661570
10
Decimal
12542840
12
Duodecimal
424a708
16
Hexadecimal
bf6378
20
Vigesimal
3i7h20
36
Base36
7gu48
md5
fd5f610cd877760176a122dc96a50e0e
sha1
e7b79bd89bff95dcddbee6ee27ab42be4828f53e
sha256
5f0e2e6dd688b16d8ee423f276f7aa37baf602021a64a5fa6555dde62c6133b1
sha512
a3226711df37609e35db072cbf0573f7e7b41555de7ef57b6891cae009a84e5a2cf7b216e5fd97245b6c4f222afac9ed44dbc136fed615813a8cadbfc17e3076
ripemd-160
99cbce9ba9212e3ea5e9734307b9d3727017f0e0
Diameter
25085680
Circumference
78808987.998304
Area
4.9424426351233E+14
Volume
8.2656356242039E+21
Surface area
1.9769770540493E+15
Circumference
78808987.998304
Perimeter
50171360
Area
157322835265600
Diagonal
17738254.438676
Surface area
943937011593600
Volume
1.9732751510828E+21
Space diagonal
21724836.151207
Perimeter
37628520
Area
68122785967702
Altitude
10862418.075604
Surface area
68122785967702
Volume
2.3255270674626E+20
Height
5912751.4795586