12987065 (number)

12987065 is an odd 8-digits composite number following 12987064 and preceding 12987066. In scientific notation, it is written as 1.2987065 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 7299072 positive integers (up to 12987065) that are relatively prime to 12987065.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-seven thousand sixty-five

Notation

Scientific notation 1.2987065 × 10^7
Engineering notation 1.2987065 × 10^6

Prime Factorization of 12987065

Prime Factorization 65 × 7 × 391 × 73

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12987065
Product of the distinct prime numbers

The prime factorization of 12987065 is 65 × 7 × 391 × 73. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 90, 14, 154, 381, 9780, 5419, 42088, 72932, 89307, 26919, 4598055, 6323418, 99773766, 10667564, 574860124, 777938159, 891214604, 4086118495

Basic calculations (n = 12987065)

Multiplication

n×y
n×2 25974130
n×3 38961195
n×4 51948260
n×5 64935325

Division

n÷y
n÷2 6493532.5
n÷3 4329021.6666667
n÷3 3246766.25
n÷5 2597413

Exponentiation

ny
n2 168663857314225
n3 2.1904484780906E+21
n4 2.8447496764113E+28
n5 3.6944948956283E+35

Nth Root

y√n
2√n 3603.7570672841
3√n 235.05545695862
4√n 60.03130072957
5√n 26.466846757912

Divisors of 12987065

1, 7, 65, 73, 391, 455, 511, 2737, 4745, 25415, 28543, 33215, 177905, 199801, 1855295, 12987065

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 -12987064
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 12987065 can be divided by 16 positive divisors. The sum of these divisors (counting 12987065) is 1, the average is 0.0625.

Base conversion 12987065

Base System Value
2 Binary 110001100010101010111001
3 Ternary 220102210220102
4 Quaternary 301202222321
5 Quinary 11311041230
6 Senary 1142205145
8 Octal 61425271
10 Decimal 12987065
12 Duodecimal 44237b5
16 Hexadecimal c62ab9
20 Vigesimal 4137d5
36 Base36 7qcvt

Cryptographic Hash Functions

md5 239ee747e94f6f8b0c4573f604d2d56b
sha1 b43eb53be49316af811a8152f8a94b395e026a85
sha256 796322b6d27b9c5ee8cc1effe8314fa78cdaf05583eb4e7690cc371c5daeb9bd
sha512 d20955dce80655df52a4aa0523e741ca367ce5b0516a63ec47e753c957f475f038c26c2438e6f82f474c1b9ceaffa44816a15158c253e604962d0283a1a1548a
ripemd-160 4a0b64968d756b0307c4031c6285ace290bef325

12987065 as geometric shapes

Circle

Radius = n
Diameter 25974130
Circumference 81600135.991386
Area 5.2987313506449E+14

Sphere

Radius = n
Volume 9.175329129115E+21
Surface area 2.1194925402579E+15
Circumference 81600135.991386

Square

Length = n
Perimeter 51948260
Area 168663857314225
Diagonal 18366483.458421

Cube

Length = n
Surface area 1011983143885350
Volume 2.1904484780906E+21
Space diagonal 22494256.4212

Equilateral Triangle

Length = n
Perimeter 38961195
Area 73033592567196
Altitude 11247128.2106

Triangular Pyramid

Length = n
Surface area 73033592567196
Volume 2.5814682878293E+20
Height 6122161.152807