12542881 is an odd 8-digits composite number following 12542880
and preceding 12542882 . In scientific notation, it is written as 1.2542881 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 11387520 positive integers (up to 12542881) that are relatively prime to 12542881.
12542881 has 4 divisors, whose sum is 12559492
The reverse of 12542881 is 18824521
Previous prime number is 793
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million five hundred forty-two thousand eight hundred eighty-one
Scientific notation
1.2542881 × 10^7
Engineering notation
1.2542881 × 10^6
Prime Factorization
793 × 15817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12542881
Product of the distinct prime numbers
The prime factorization of 12542881 is 793 × 15817.
Since it has a total of 2 prime factors.
9 , 3 , 78 , 63 , 378 , 294 , 6983 , 9459 , 9324 , 20008 , 421753 , 581417 , 2984754 , 1266555 , 42311504 , 5342029 , 90945695 , 459628576 , 7763118020 , 6498253231
n×2
25085762
n×3
37628643
n×4
50171524
n×5
62714405
n÷2
6271440.5
n÷3
4180960.3333333
n÷3
3135720.25
n÷5
2508576.2
n2
157323863780161
n3
1.9732945018548E+21
n4
2.4750798114719E+28
n5
3.1044631540794E+35
2 √n
3541.5930031555
3 √n
232.34452009029
4 √n
59.511284670687
5 √n
26.283273869428
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12542880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12542881 can be divided by 4 positive divisors.
The sum of these divisors (counting 12542881) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111110110001110100001
3
Ternary
212121020121011
4
Quaternary
233312032201
5
Quinary
11202333011
6
Senary
1124500521
8
Octal
57661641
10
Decimal
12542881
12
Duodecimal
424a741
16
Hexadecimal
bf63a1
20
Vigesimal
3i7h41
36
Base36
7gu5d
md5
26c74456776190365c67e85e73fa65b2
sha1
3fbc79182535d400d2be6171a528114378b97c11
sha256
6a39c217a45c6be709dac5d8d11be74d09688bbce5e23f82f1e2404716f06d2b
sha512
b5c08939d821989be22ef943cfe0305b8293380ddd0535164af222284d174f884a6cdede41c72f052e733fd5a50050eb19b48c09c4ef49cd4c3a6e66a69da0b0
ripemd-160
475a9b74216079955720608df0cd692a05f018de
Diameter
25085762
Circumference
78809245.608902
Area
4.9424749468612E+14
Volume
8.2657166805281E+21
Surface area
1.9769899787445E+15
Circumference
78809245.608902
Perimeter
50171524
Area
157323863780161
Diagonal
17738312.421432
Surface area
943943182680966
Volume
1.9732945018548E+21
Space diagonal
21724907.16529
Perimeter
37628643
Area
68123231327571
Altitude
10862453.582645
Surface area
68123231327571
Volume
2.3255498725661E+20
Height
5912770.8071439