12887938 (number)

12887938 is an even 8-digits composite number following 12887937 and preceding 12887939. In scientific notation, it is written as 1.2887938 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 5198400 positive integers (up to 12887938) that are relatively prime to 12887938.

Interesting facts

Basic properties

Name

Name twelve million eight hundred eighty-seven thousand nine hundred thirty-eight

Notation

Scientific notation 1.2887938 × 10^7
Engineering notation 1.2887938 × 10^6

Prime Factorization of 12887938

Prime Factorization 2 × 7 × 17 × 54151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12887938
Product of the distinct prime numbers

The prime factorization of 12887938 is 2 × 7 × 17 × 54151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12887938)

Multiplication

n×y
n×2 25775876
n×3 38663814
n×4 51551752
n×5 64439690

Division

n÷y
n÷2 6443969
n÷3 4295979.3333333
n÷3 3221984.5
n÷5 2577587.6

Exponentiation

ny
n2 166098945891844
n3 2.1406729165194E+21
n4 2.7588859826382E+28
n5 3.555635149331E+35

Nth Root

y√n
2√n 3589.977437255
3√n 234.45588918788
4√n 59.916420430922
5√n 26.426319879103

Divisors of 12887938

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 -12887937
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 12887938 can be divided by 16 positive divisors. The sum of these divisors (counting 12887938) is 1, the average is 0.0625.

Base conversion 12887938

Base System Value
2 Binary 110001001010011110000010
3 Ternary 220020202221001
4 Quaternary 301022132002
5 Quinary 11244403223
6 Senary 1140122214
8 Octal 61123602
10 Decimal 12887938
12 Duodecimal 439636a
16 Hexadecimal c4a782
20 Vigesimal 40ajgi
36 Base36 7o8ea

Cryptographic Hash Functions

md5 9ae2e1b408ee9b127a010d2171824625
sha1 8b662dfe335d06f4d484280b2e05f8342a2d31c4
sha256 3a8ab3da78de572d28c7f01fe7d4ab5860926f9dd41725e2066ee5c86e09b0ca
sha512 de3ec7146b2f86f9b86636fa25d4d4d88d5bbd23c0227ddecdfaf3565e8204d247545870df384466455693c0193ac08ef57b90be8e511aaed9f148a3986d9f86
ripemd-160 d757af34b42339c28854e11c3a37382f38911dea

12887938 as geometric shapes

Circle

Radius = n
Diameter 25775876
Circumference 80977302.681441
Area 5.2181522818283E+14

Sphere

Radius = n
Volume 8.9668297443681E+21
Surface area 2.0872609127313E+15
Circumference 80977302.681441

Square

Length = n
Perimeter 51551752
Area 166098945891844
Diagonal 18226296.710624

Cube

Length = n
Surface area 996593675351064
Volume 2.1406729165194E+21
Space diagonal 22322563.420798

Equilateral Triangle

Length = n
Perimeter 38663814
Area 71922953342077
Altitude 11161281.710399

Triangular Pyramid

Length = n
Surface area 71922953342077
Volume 2.5228072259555E+20
Height 6075432.2368745