12891858 (number)

12891858 is an even 8-digits composite number following 12891857 and preceding 12891859. In scientific notation, it is written as 1.2891858 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 3683376 positive integers (up to 12891858) that are relatively prime to 12891858.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2891858 × 10^7
Engineering notation 1.2891858 × 10^6

Prime Factorization of 12891858

Prime Factorization 2 × 3 × 7 × 306949

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12891858
Product of the distinct prime numbers

The prime factorization of 12891858 is 2 × 3 × 7 × 306949. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 51, 34, 187, 821, 150, 3635, 74460, 9785, 543547, 684462, 6883659, 9627216, 86426738, 17080220, 523216347, 538913785, 4803135306, 8592375345

Basic calculations (n = 12891858)

Multiplication

n×y
n×2 25783716
n×3 38675574
n×4 51567432
n×5 64459290

Division

n÷y
n÷2 6445929
n÷3 4297286
n÷3 3222964.5
n÷5 2578371.6

Exponentiation

ny
n2 166200002692164
n3 2.142626834307E+21
n4 2.7622440894875E+28
n5 3.5610458563013E+35

Nth Root

y√n
2√n 3590.5233601802
3√n 234.4796575083
4√n 59.920975961513
5√n 26.427927251406

Divisors of 12891858

1, 2, 3, 6, 7, 14, 21, 42, 306949, 613898, 920847, 1841694, 2148643, 4297286, 6445929, 12891858

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12891857
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12891858 can be divided by 16 positive divisors. The sum of these divisors (counting 12891858) is 1, the average is 0.0625.

Base conversion 12891858

Base System Value
2 Binary 110001001011011011010010
3 Ternary 220020222022020
4 Quaternary 301023123102
5 Quinary 11300014413
6 Senary 1140152310
8 Octal 61133322
10 Decimal 12891858
12 Duodecimal 4398696
16 Hexadecimal c4b6d2
20 Vigesimal 40b9ci
36 Base36 7obf6

Cryptographic Hash Functions

md5 07a4213064e4832d6bf2e17cc17e643b
sha1 abb2a3cdcaf402d81e1b5086ed4e480ca8dce476
sha256 245e7aa9f617d7f051ec2afa8146c86bd000319fa0ad697f333381758a182e29
sha512 3b82bef88d1d2a9348e50296a9b67a61c57040db0401be17ed1379a266c6bfd5caaf9d3b4315e19eef998dbfe029a4fd0201b96d9f204376d95da628f06926e9
ripemd-160 5002cbd30105d2bf07e28f9d0a26973acb346512

12891858 as geometric shapes

Circle

Radius = n
Diameter 25783716
Circumference 81001932.767846
Area 5.2213270748431E+14

Sphere

Radius = n
Volume 8.9750142960576E+21
Surface area 2.0885308299372E+15
Circumference 81001932.767846

Square

Length = n
Perimeter 51567432
Area 166200002692164
Diagonal 18231840.427788

Cube

Length = n
Surface area 997200016152984
Volume 2.142626834307E+21
Space diagonal 22329353.059963

Equilateral Triangle

Length = n
Perimeter 38675574
Area 71966712220228
Altitude 11164676.529982

Triangular Pyramid

Length = n
Surface area 71966712220228
Volume 2.5251099401512E+20
Height 6077280.142596