19987115 (number)

19987115 is an odd 8-digits composite number following 19987114 and preceding 19987116. In scientific notation, it is written as 1.9987115 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 15180000 positive integers (up to 19987115) that are relatively prime to 19987115.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-seven thousand one hundred fifteen

Notation

Scientific notation 1.9987115 × 10^7
Engineering notation 1.9987115 × 10^6

Prime Factorization of 19987115

Prime Factorization 5 × 23 × 151 × 1151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19987115
Product of the distinct prime numbers

The prime factorization of 19987115 is 5 × 23 × 151 × 1151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 12, 32, 428, 736, 6517, 2360, 52898, 75672, 133402, 850662, 8663883, 3393060, 2871601, 51265150, 3823428, 423494604, 9504681825, 3386398877

Basic calculations (n = 19987115)

Multiplication

n×y
n×2 39974230
n×3 59961345
n×4 79948460
n×5 99935575

Division

n÷y
n÷2 9993557.5
n÷3 6662371.6666667
n÷3 4996778.75
n÷5 3997423

Exponentiation

ny
n2 399484766023225
n3 7.9845479592543E+21
n4 1.5958807828463E+29
n5 3.1897052733039E+36

Nth Root

y√n
2√n 4470.6951361058
3√n 271.38345701846
4√n 66.863256995945
5√n 28.850279322029

Divisors of 19987115

1, 5, 23, 115, 151, 755, 1151, 3473, 5755, 17365, 26473, 132365, 173801, 869005, 3997423, 19987115

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 -19987114
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 19987115 can be divided by 16 positive divisors. The sum of these divisors (counting 19987115) is 1, the average is 0.0625.

Base conversion 19987115

Base System Value
2 Binary 1001100001111101010101011
3 Ternary 1101121110011112
4 Quaternary 1030033222223
5 Quinary 20104041430
6 Senary 1552220535
8 Octal 114175253
10 Decimal 19987115
12 Duodecimal 683a74b
16 Hexadecimal 130faab
20 Vigesimal 64i7ff
36 Base36 bwe5n

Cryptographic Hash Functions

md5 a2cfdb34c114ac81853ae3d5a60ae87d
sha1 59c02f1eba24475cef1ccce258b38d926a68c68a
sha256 b03faa341d1078460d81589dc2f10e7893b962f0d385b38b23dca096ff253d01
sha512 d24327bbece822aa4b2490a2434ad853c863183eee6dc331669b075452ff0798d2127db3d2d88faf3cab4619487bf5ba0f792a495d9f1f18e0cc2aeb85224103
ripemd-160 6c07c8763509049bfe0577e9cf97339870b5992f

19987115 as geometric shapes

Circle

Radius = n
Diameter 39974230
Circumference 125582747.30091
Area 1.2550184061596E+15

Sphere

Radius = n
Volume 3.3445596281372E+22
Surface area 5.0200736246384E+15
Circumference 125582747.30091

Square

Length = n
Perimeter 79948460
Area 399484766023225
Diagonal 28266049.105711

Cube

Length = n
Surface area 2396908596139350
Volume 7.9845479592543E+21
Space diagonal 34618698.676722

Equilateral Triangle

Length = n
Perimeter 59961345
Area 1.729819779005E+14
Altitude 17309349.338361

Triangular Pyramid

Length = n
Surface area 1.729819779005E+14
Volume 9.4098800111632E+20
Height 9422016.3685702