12542991 is an odd 8-digits composite number following 12542990
and preceding 12542992 . In scientific notation, it is written as 1.2542991 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 7870080 positive integers (up to 12542991) that are relatively prime to 12542991.
12542991 has 8 divisors, whose sum is 17707824
The reverse of 12542991 is 19924521
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million five hundred forty-two thousand nine hundred ninety-one
Scientific notation
1.2542991 × 10^7
Engineering notation
1.2542991 × 10^6
Prime Factorization
3 × 17 × 245941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12542991
Product of the distinct prime numbers
The prime factorization of 12542991 is 3 × 17 × 245941.
Since it has a total of 3 prime factors.
5 , 1 , 70 , 8 , 493 , 500 , 2511 , 2912 , 94329 , 55000 , 992342 , 354417 , 7857979 , 945959 , 25353478 , 71518686 , 158251045 , 380724642 , 6798220319 , 6515149923
n×2
25085982
n×3
37628973
n×4
50171964
n×5
62714955
n÷2
6271495.5
n÷3
4180997
n÷3
3135747.75
n÷5
2508598.2
n2
157326623226081
n3
1.9733464191851E+21
n4
2.4751666375721E+28
n5
3.1045992858567E+35
2 √n
3541.6085328562
3 √n
232.3451993022
4 √n
59.511415147484
5 √n
26.283319969682
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12542990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12542991 can be divided by 8 positive divisors.
The sum of these divisors (counting 12542991) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111110110010000001111
3
Ternary
212121020202020
4
Quaternary
233312100033
5
Quinary
11202333431
6
Senary
1124501223
8
Octal
57662017
10
Decimal
12542991
12
Duodecimal
424a813
16
Hexadecimal
bf640f
20
Vigesimal
3i7h9b
36
Base36
7gu8f
md5
13a9b44b92a1952c48396399b6b269af
sha1
fcf3e63cf7fcaf5d387dde961c4ca7322aba4e5a
sha256
14170416553f615cab6d4d7f1a6c3548a7ee907a40332f1f7f0899d6b52feed9
sha512
867f73718d8c1d0d4b3430f1c7ba299351daeb79af97db4e21b64c0f2f28bdf73b69e508018e0cb29a122e9df1e662a0eaf3475e582973c43556e8bb317dd016
ripemd-160
1c529448f67020654b5afe29f8421fbdeef5c11a
Diameter
25085982
Circumference
78809936.759286
Area
4.9425616374115E+14
Volume
8.2659341513329E+21
Surface area
1.9770246549646E+15
Circumference
78809936.759286
Perimeter
50171964
Area
157326623226081
Diagonal
17738467.984924
Surface area
943959739356486
Volume
1.9733464191851E+21
Space diagonal
21725097.690879
Perimeter
37628973
Area
68124426202705
Altitude
10862548.84544
Surface area
68124426202705
Volume
2.3256110577267E+20
Height
5912822.6616412