12886978 (number)

12886978 is an even 8-digits composite number following 12886977 and preceding 12886979. In scientific notation, it is written as 1.2886978 × 10^7. The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors. There are 5630688 positive integers (up to 12886978) that are relatively prime to 12886978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2886978 × 10^7
Engineering notation 1.2886978 × 10^6

Prime Factorization of 12886978

Prime Factorization 2 × 13 × 19 × 19 × 1373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 678262
Product of the distinct prime numbers

The prime factorization of 12886978 is 2 × 13 × 19 × 19 × 1373. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 28, 15, 399, 454, 9800, 7545, 56016, 53549, 916015, 288171, 223304, 9197713, 24936211, 13336783, 164195060, 575159803, 9315966371, 6374190492

Basic calculations (n = 12886978)

Multiplication

n×y
n×2 25773956
n×3 38660934
n×4 51547912
n×5 64434890

Division

n÷y
n÷2 6443489
n÷3 4295659.3333333
n÷3 3221744.5
n÷5 2577395.6

Exponentiation

ny
n2 166074201972484
n3 2.140194587187E+21
n4 2.7580640560797E+28
n5 3.554311081329E+35

Nth Root

y√n
2√n 3589.8437291893
3√n 234.45006764005
4√n 59.915304632367
5√n 26.425926177287

Divisors of 12886978

1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 1373, 2746, 4693, 9386, 17849, 26087, 35698, 52174, 339131, 495653, 678262, 991306, 6443489, 12886978

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12886977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12886978 can be divided by 24 positive divisors. The sum of these divisors (counting 12886978) is 1, the average is 0.041666666666667.

Base conversion 12886978

Base System Value
2 Binary 110001001010001111000010
3 Ternary 220020201121111
4 Quaternary 301022033002
5 Quinary 11244340403
6 Senary 1140113534
8 Octal 61121702
10 Decimal 12886978
12 Duodecimal 43958aa
16 Hexadecimal c4a3c2
20 Vigesimal 40ah8i
36 Base36 7o7nm

Cryptographic Hash Functions

md5 ca9cfd618d989e8c7b79dc0b096fdf1a
sha1 42f91f42f9ec6578708ac7a89298de9e90d1dda7
sha256 7393eeb4be0a0122f5dd94a6e54bf9a8ce5d2929266d8abdca2ccd258414553f
sha512 6d21c1366dc64122f0a6155fc6db3941478d3690797b05a02571ca47138f9d9efa3ee27fde411501e057424d7858d7a5582dfe5433500a2f6830f2cfbe171295
ripemd-160 99f86c937924ee941280047ed593b1e4c5754ac7

12886978 as geometric shapes

Circle

Radius = n
Diameter 25773956
Circumference 80971270.823547
Area 5.2173749286754E+14

Sphere

Radius = n
Volume 8.9648261231456E+21
Surface area 2.0869499714702E+15
Circumference 80971270.823547

Square

Length = n
Perimeter 51547912
Area 166074201972484
Diagonal 18224939.065604

Cube

Length = n
Surface area 996445211834904
Volume 2.140194587187E+21
Space diagonal 22320900.652022

Equilateral Triangle

Length = n
Perimeter 38660934
Area 71912238910699
Altitude 11160450.326011

Triangular Pyramid

Length = n
Surface area 71912238910699
Volume 2.5222435094311E+20
Height 6074979.6885346