12987657 (number)

12987657 is an odd 8-digits composite number following 12987656 and preceding 12987658. In scientific notation, it is written as 1.2987657 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 8658432 positive integers (up to 12987657) that are relatively prime to 12987657.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-seven thousand six hundred fifty-seven

Notation

Scientific notation 1.2987657 × 10^7
Engineering notation 1.2987657 × 10^6

Prime Factorization of 12987657

Prime Factorization 9 × 1443073

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12987657
Product of the distinct prime numbers

The prime factorization of 12987657 is 9 × 1443073. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987657)

Multiplication

n×y
n×2 25975314
n×3 38962971
n×4 51950628
n×5 64938285

Division

n÷y
n÷2 6493828.5
n÷3 4329219
n÷3 3246914.25
n÷5 2597531.4

Exponentiation

ny
n2 168679234349649
n3 2.1907480387559E+21
n4 2.8452684100784E+28
n5 3.6953370183033E+35

Nth Root

y√n
2√n 3603.8392028502
3√n 235.05902847937
4√n 60.031984831839
5√n 26.467088045495

Divisors of 12987657

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12987656
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12987657 can be divided by 4 positive divisors. The sum of these divisors (counting 12987657) is 1, the average is 0.25.

Base conversion 12987657

Base System Value
2 Binary 110001100010110100001001
3 Ternary 220102211201100
4 Quaternary 301202310021
5 Quinary 11311101112
6 Senary 1142212013
8 Octal 61426411
10 Decimal 12987657
12 Duodecimal 4424009
16 Hexadecimal c62d09
20 Vigesimal 41392h
36 Base36 7qdc9

Cryptographic Hash Functions

md5 434d476ba1ea9ecb25309948f6feda76
sha1 07d3404adf334f51373b551309ba32e9e7f5f976
sha256 9bceb936b181f57b6119963e2cc08ca226a9358d86b03ce0243011b104b5b033
sha512 96c95460d561e65ca74ff049623afc3b7be2e0087c2b244d3e57ecc7b9bd56287104186dddc4c78f1df869dd814f25ccaaff2546ed3fe64d30eed10ec12074cd
ripemd-160 e7d01c627ddc236fdb72a478be96a295ae650364

12987657 as geometric shapes

Circle

Radius = n
Diameter 25975314
Circumference 81603855.637088
Area 5.2992144344601E+14

Sphere

Radius = n
Volume 9.1765839258955E+21
Surface area 2.119685773784E+15
Circumference 81603855.637088

Square

Length = n
Perimeter 51950628
Area 168679234349649
Diagonal 18367320.67285

Cube

Length = n
Surface area 1012075406097894
Volume 2.1907480387559E+21
Space diagonal 22495281.795278

Equilateral Triangle

Length = n
Perimeter 38962971
Area 73040251018852
Altitude 11247640.897639

Triangular Pyramid

Length = n
Surface area 73040251018852
Volume 2.581821323459E+20
Height 6122440.2242833