12887686 (number)

12887686 is an even 8-digits composite number following 12887685 and preceding 12887687. In scientific notation, it is written as 1.2887686 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors. There are 5523252 positive integers (up to 12887686) that are relatively prime to 12887686.

Interesting facts

Basic properties

Name

Name twelve million eight hundred eighty-seven thousand six hundred eighty-six

Notation

Scientific notation 1.2887686 × 10^7
Engineering notation 1.2887686 × 10^6

Prime Factorization of 12887686

Prime Factorization 2 × 7 × 7 × 131507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1841098
Product of the distinct prime numbers

The prime factorization of 12887686 is 2 × 7 × 7 × 131507. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 99, 68, 981, 858, 6470, 4963, 531, 17868, 650692, 882376, 4245460, 5732036, 30157850, 19583387, 211698139, 58494784, 3480989128, 2106469303

Basic calculations (n = 12887686)

Multiplication

n×y
n×2 25775372
n×3 38663058
n×4 51550744
n×5 64438430

Division

n÷y
n÷2 6443843
n÷3 4295895.3333333
n÷3 3221921.5
n÷5 2577537.2

Exponentiation

ny
n2 166092450434596
n3 2.1405473481716E+21
n4 2.7586702091369E+28
n5 3.555287543291E+35

Nth Root

y√n
2√n 3589.9423393698
3√n 234.45436105956
4√n 59.916127539835
5√n 26.426216534647

Divisors of 12887686

1, 2, 7, 14, 49, 98, 131507, 263014, 920549, 1841098, 6443843, 12887686

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12887685
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12887686 can be divided by 12 positive divisors. The sum of these divisors (counting 12887686) is 1, the average is 0.083333333333333.

Base conversion 12887686

Base System Value
2 Binary 110001001010011010000110
3 Ternary 220020202120201
4 Quaternary 301022122012
5 Quinary 11244401221
6 Senary 1140121114
8 Octal 61123206
10 Decimal 12887686
12 Duodecimal 439619a
16 Hexadecimal c4a686
20 Vigesimal 40aj46
36 Base36 7o87a

Cryptographic Hash Functions

md5 9aa7ab9557087003547c60d3a91fa014
sha1 3f4d8a44dd1b773d483aa9e4550e3a4adc4e6ebb
sha256 d8d64a4e463fcb093bbbe23c59bdc7f5088ea6b3b2326d45a8066d3da452778e
sha512 b345baacb5d813a37e5499144df451b63278cd0779ff60fff13755c106efc10031a1e76c1624a7f614508fe5eac03d922cc9268390f68fb8c007f933474e23cf
ripemd-160 827bc5e5b6dbe1ccf4da819d417727d1deee552f

12887686 as geometric shapes

Circle

Radius = n
Diameter 25775372
Circumference 80975719.318744
Area 5.2179482210205E+14

Sphere

Radius = n
Volume 8.9663037649028E+21
Surface area 2.0871792884082E+15
Circumference 80975719.318744

Square

Length = n
Perimeter 51550744
Area 166092450434596
Diagonal 18225940.328806

Cube

Length = n
Surface area 996554702607576
Volume 2.1405473481716E+21
Space diagonal 22322126.943994

Equilateral Triangle

Length = n
Perimeter 38663058
Area 71920140726584
Altitude 11161063.471997

Triangular Pyramid

Length = n
Surface area 71920140726584
Volume 2.5226592422384E+20
Height 6075313.4429353