12891490 (number)

12891490 is an even 8-digits composite number following 12891489 and preceding 12891491. In scientific notation, it is written as 1.2891490 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 5156592 positive integers (up to 12891490) that are relatively prime to 12891490.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-one thousand four hundred ninety

Notation

Scientific notation 1.2891490 × 10^7
Engineering notation 1.2891490 × 10^6

Prime Factorization of 12891490

Prime Factorization 2 × 5 × 1289149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12891490
Product of the distinct prime numbers

The prime factorization of 12891490 is 2 × 5 × 1289149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 8, 6, 23, 647, 24, 6314, 7146, 11736, 8248, 219818, 171594, 9516214, 8727673, 91629388, 33179885, 896664392, 230047797, 9155713314, 3238384669

Basic calculations (n = 12891490)

Multiplication

n×y
n×2 25782980
n×3 38674470
n×4 51565960
n×5 64457450

Division

n÷y
n÷2 6445745
n÷3 4297163.3333333
n÷3 3222872.5
n÷5 2578298

Exponentiation

ny
n2 166190514420100
n3 2.1424433547416E+21
n4 2.7619287083217E+28
n5 3.5605376324043E+35

Nth Root

y√n
2√n 3590.4721138034
3√n 234.47742640153
4√n 59.920548343648
5√n 26.427776371862

Divisors of 12891490

1, 2, 5, 10, 1289149, 2578298, 6445745, 12891490

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 -12891489
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 12891490 can be divided by 8 positive divisors. The sum of these divisors (counting 12891490) is 1, the average is 0.125.

Base conversion 12891490

Base System Value
2 Binary 110001001011010101100010
3 Ternary 220020221210121
4 Quaternary 301023111202
5 Quinary 11300011430
6 Senary 1140150454
8 Octal 61132542
10 Decimal 12891490
12 Duodecimal 439842a
16 Hexadecimal c4b562
20 Vigesimal 40b8ea
36 Base36 7ob4y

Cryptographic Hash Functions

md5 c38180fa8c86752fadf0e0b343acdaa6
sha1 2699ff03d3f2823015228187f80dd5008a29d6fc
sha256 7701f1a6b338a00b16939d95aaa0b11fac77be0044294aff44d22d3ec520b484
sha512 edd991787843b070c57115c8bd07f9c23e3b8a060c6822e34f2a20d4f82e112af7323b4b4c9a5d47bfc3125d4eab433cd8b5644ea03b0c8ed0a55862a90073f7
ripemd-160 87fd1f02f942774e764374e44931904e489c93a8

12891490 as geometric shapes

Circle

Radius = n
Diameter 25782980
Circumference 80999620.555653
Area 5.2210289919849E+14

Sphere

Radius = n
Volume 8.9742457386512E+21
Surface area 2.088411596794E+15
Circumference 80999620.555653

Square

Length = n
Perimeter 51565960
Area 166190514420100
Diagonal 18231319.997197

Cube

Length = n
Surface area 997143086520600
Volume 2.1424433547416E+21
Space diagonal 22328715.665266

Equilateral Triangle

Length = n
Perimeter 38674470
Area 71962603677905
Altitude 11164357.832633

Triangular Pyramid

Length = n
Surface area 71962603677905
Volume 2.5248937074097E+20
Height 6077106.6657324