12978690 (number)

12978690 is an even 8-digits composite number following 12978689 and preceding 12978691. In scientific notation, it is written as 1.2978690 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 3380160 positive integers (up to 12978690) that are relatively prime to 12978690.

Interesting facts

Basic properties

Name

Name twelve million nine hundred seventy-eight thousand six hundred ninety

Notation

Scientific notation 1.2978690 × 10^7
Engineering notation 1.2978690 × 10^6

Prime Factorization of 12978690

Prime Factorization 2 × 5 × 3 × 43 × 10061

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12978690
Product of the distinct prime numbers

The prime factorization of 12978690 is 2 × 5 × 3 × 43 × 10061. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12978690)

Multiplication

n×y
n×2 25957380
n×3 38936070
n×4 51914760
n×5 64893450

Division

n÷y
n÷2 6489345
n÷3 4326230
n÷3 3244672.5
n÷5 2595738

Exponentiation

ny
n2 168446394116100
n3 2.1862135308507E+21
n4 2.8374187690716E+28
n5 3.6825978603963E+35

Nth Root

y√n
2√n 3602.5948981255
3√n 235.00491916668
4√n 60.02162025575
5√n 26.463432329161

Divisors of 12978690

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12978689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12978690 can be divided by 32 positive divisors. The sum of these divisors (counting 12978690) is 1, the average is 0.03125.

Base conversion 12978690

Base System Value
2 Binary 110001100000101000000010
3 Ternary 220102101102020
4 Quaternary 301200220002
5 Quinary 11310304230
6 Senary 1142102310
8 Octal 61405002
10 Decimal 12978690
12 Duodecimal 441a996
16 Hexadecimal c60a02
20 Vigesimal 4126ea
36 Base36 7q6f6

Cryptographic Hash Functions

md5 c49b46e9d35ea5a0a48ceb78493e7036
sha1 a149ba58cc7ba01b00f6dcceb3c83d8143ab5315
sha256 0a751c4c7dde0af031642f9a196bdeca5ae477c4658d8fc821bf04503a3bdc6d
sha512 89f28ebece75fd1f82723c82e36444f4e21bc3f98d97a0f6d16548cc89efc828f037562308adaaf1fe521e8d7c6e285ca708ba9acb0ab80ea19042dfe52dcf24
ripemd-160 afce1b7c3412d420a4092ce932b4c983cc4fc85e

12978690 as geometric shapes

Circle

Radius = n
Diameter 25957380
Circumference 81547514.314439
Area 5.2918995427883E+14

Sphere

Radius = n
Volume 9.1575898235988E+21
Surface area 2.1167598171153E+15
Circumference 81547514.314439

Square

Length = n
Perimeter 51914760
Area 168446394116100
Diagonal 18354639.419836

Cube

Length = n
Surface area 1010678364696600
Volume 2.1862135308507E+21
Space diagonal 22479750.495686

Equilateral Triangle

Length = n
Perimeter 38936070
Area 72939428240214
Altitude 11239875.247843

Triangular Pyramid

Length = n
Surface area 72939428240214
Volume 2.5764773546438E+20
Height 6118213.1399454