19987089 (number)

19987089 is an odd 8-digits composite number following 19987088 and preceding 19987090. In scientific notation, it is written as 1.9987089 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 13314240 positive integers (up to 19987089) that are relatively prime to 19987089.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9987089 × 10^7
Engineering notation 1.9987089 × 10^6

Prime Factorization of 19987089

Prime Factorization 3 × 2161 × 3083

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19987089
Product of the distinct prime numbers

The prime factorization of 19987089 is 3 × 2161 × 3083. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19987089)

Multiplication

n×y
n×2 39974178
n×3 59961267
n×4 79948356
n×5 99935445

Division

n÷y
n÷2 9993544.5
n÷3 6662363
n÷3 4996772.25
n÷5 3997417.8

Exponentiation

ny
n2 399483726693921
n3 7.9845167994831E+21
n4 1.5958724789326E+29
n5 3.1896845269077E+36

Nth Root

y√n
2√n 4470.6922282796
3√n 271.3833393431
4√n 66.863235251367
5√n 28.850271816117

Divisors of 19987089

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19987088
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987089 can be divided by 8 positive divisors. The sum of these divisors (counting 19987089) is 1, the average is 0.125.

Base conversion 19987089

Base System Value
2 Binary 1001100001111101010010001
3 Ternary 1101121110010120
4 Quaternary 1030033222101
5 Quinary 20104041324
6 Senary 1552220453
8 Octal 114175221
10 Decimal 19987089
12 Duodecimal 683a729
16 Hexadecimal 130fa91
20 Vigesimal 64i7e9
36 Base36 bwe4x

Cryptographic Hash Functions

md5 ccb5a5b4c51198e065e5c35b0a3be71d
sha1 3e2b418e91110de53ac39fefd080cfb3828a535c
sha256 7b09bf7d21ffebbf66ef246f3e9f888ff80688e38707782255fb4dec77942f5e
sha512 5366c3d9a0255630da185bee89f786adefb4e9f0a3d279ec0a893693fc50eedc85493d6662bdd73efd2a5779fa796641c2cb4c79c32cda0743ae94be3d4fb085
ripemd-160 cda292984b376396e9e462f2b99f654449cbf4d5

19987089 as geometric shapes

Circle

Radius = n
Diameter 39974178
Circumference 125582583.93809
Area 1.2550151410103E+15

Sphere

Radius = n
Volume 3.3445465759627E+22
Surface area 5.0200605640412E+15
Circumference 125582583.93809

Square

Length = n
Perimeter 79948356
Area 399483726693921
Diagonal 28266012.336158

Cube

Length = n
Surface area 2396902360163526
Volume 7.9845167994831E+21
Space diagonal 34618653.643401

Equilateral Triangle

Length = n
Perimeter 59961267
Area 1.7298152785771E+14
Altitude 17309326.821701

Triangular Pyramid

Length = n
Surface area 1.7298152785771E+14
Volume 9.4098432890207E+20
Height 9422004.1120527