19987065 (number)

19987065 is an odd 8-digits composite number following 19987064 and preceding 19987066. In scientific notation, it is written as 1.9987065 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 9036288 positive integers (up to 19987065) that are relatively prime to 19987065.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9987065 × 10^7
Engineering notation 1.9987065 × 10^6

Prime Factorization of 19987065

Prime Factorization 15 × 3 × 7 × 107 × 593

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 19987065
Product of the distinct prime numbers

The prime factorization of 19987065 is 15 × 3 × 7 × 107 × 593. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 26, 44, 432, 644, 2241, 7499, 56463, 70555, 431714, 406769, 6871558, 1416511, 45265200, 41735011, 201884684, 620079716, 4961975968, 8128527610

Basic calculations (n = 19987065)

Multiplication

n×y
n×2 39974130
n×3 59961195
n×4 79948260
n×5 99935325

Division

n÷y
n÷2 9993532.5
n÷3 6662355
n÷3 4996766.25
n÷5 3997413

Exponentiation

ny
n2 399482767314225
n3 7.9844880366893E+21
n4 1.5958648138103E+29
n5 3.189665376484E+36

Nth Root

y√n
2√n 4470.6895441307
3√n 271.3832307196
4√n 66.86321517943
5√n 28.850264887576

Divisors of 19987065

1, 3, 7, 15, 21, 45, 105, 107, 315, 321, 593, 749, 1605, 1779, 2247, 4151, 4815, 8895, 11235, 12453, 26685, 33705, 62265, 63451, 186795, 190353, 444157, 951765, 1332471, 2855295, 6662355, 19987065

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19987064
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987065 can be divided by 32 positive divisors. The sum of these divisors (counting 19987065) is 1, the average is 0.03125.

Base conversion 19987065

Base System Value
2 Binary 1001100001111101001111001
3 Ternary 1101121110002200
4 Quaternary 1030033221321
5 Quinary 20104041230
6 Senary 1552220413
8 Octal 114175171
10 Decimal 19987065
12 Duodecimal 683a709
16 Hexadecimal 130fa79
20 Vigesimal 64i7d5
36 Base36 bwe49

Cryptographic Hash Functions

md5 be5ef7f91318a223c7bb50b7943e7bf4
sha1 37718a8a83a16f0d8111bf8472657694f9581eb4
sha256 536635a5dfe830a792e09dc9013bc0e688a2831b77334f6826215633b451b758
sha512 44c965bc6b977cd94a485e7db817aa6890e14b1ba91edb317c34ea9c8824aa211de2ca6ae89ddb7b9e1baaa1ef41cfc4a7a87084b16ac13abf4fc999df4b679a
ripemd-160 458e3bff76d031d677f1488562dc61edc3ffaa2e

19987065 as geometric shapes

Circle

Radius = n
Diameter 39974130
Circumference 125582433.14164
Area 1.2550121270301E+15

Sphere

Radius = n
Volume 3.3445345278318E+22
Surface area 5.0200485081204E+15
Circumference 125582433.14164

Square

Length = n
Perimeter 79948260
Area 399482767314225
Diagonal 28265978.395033

Cube

Length = n
Surface area 2396896603885350
Volume 7.9844880366893E+21
Space diagonal 34618612.074182

Equilateral Triangle

Length = n
Perimeter 59961195
Area 1.7298111243411E+14
Altitude 17309306.037091

Triangular Pyramid

Length = n
Surface area 1.7298111243411E+14
Volume 9.4098093917431E+20
Height 9421992.7983442