12542991 (number)

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.

Interesting facts

Basic properties

Name

Name twelve million five hundred forty-two thousand nine hundred ninety-one

Notation

Scientific notation 1.2542991 × 10^7
Engineering notation 1.2542991 × 10^6

Prime Factorization of 12542991

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.

Most popular turbo-numbers

Basic calculations (n = 12542991)

Multiplication

n×y
n×2 25085982
n×3 37628973
n×4 50171964
n×5 62714955

Division

n÷y
n÷2 6271495.5
n÷3 4180997
n÷3 3135747.75
n÷5 2508598.2

Exponentiation

ny
n2 157326623226081
n3 1.9733464191851E+21
n4 2.4751666375721E+28
n5 3.1045992858567E+35

Nth Root

y√n
2√n 3541.6085328562
3√n 232.3451993022
4√n 59.511415147484
5√n 26.283319969682

Divisors of 12542991

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 conversion 12542991

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

Cryptographic Hash Functions

md5 13a9b44b92a1952c48396399b6b269af
sha1 fcf3e63cf7fcaf5d387dde961c4ca7322aba4e5a
sha256 14170416553f615cab6d4d7f1a6c3548a7ee907a40332f1f7f0899d6b52feed9
sha512 867f73718d8c1d0d4b3430f1c7ba299351daeb79af97db4e21b64c0f2f28bdf73b69e508018e0cb29a122e9df1e662a0eaf3475e582973c43556e8bb317dd016
ripemd-160 1c529448f67020654b5afe29f8421fbdeef5c11a

12542991 as geometric shapes

Circle

Radius = n
Diameter 25085982
Circumference 78809936.759286
Area 4.9425616374115E+14

Sphere

Radius = n
Volume 8.2659341513329E+21
Surface area 1.9770246549646E+15
Circumference 78809936.759286

Square

Length = n
Perimeter 50171964
Area 157326623226081
Diagonal 17738467.984924

Cube

Length = n
Surface area 943959739356486
Volume 1.9733464191851E+21
Space diagonal 21725097.690879

Equilateral Triangle

Length = n
Perimeter 37628973
Area 68124426202705
Altitude 10862548.84544

Triangular Pyramid

Length = n
Surface area 68124426202705
Volume 2.3256110577267E+20
Height 5912822.6616412