19987629 (number)

19987629 is an odd 8-digits composite number following 19987628 and preceding 19987630. In scientific notation, it is written as 1.9987629 × 10^7. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 13325084 positive integers (up to 19987629) that are relatively prime to 19987629.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9987629 × 10^7
Engineering notation 1.9987629 × 10^6

Prime Factorization of 19987629

Prime Factorization 3 × 6662543

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19987629
Product of the distinct prime numbers

The prime factorization of 19987629 is 3 × 6662543. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 95, 45, 531, 186, 9398, 1972, 6218, 33476, 691705, 528606, 4806031, 67009, 89601008, 4854148, 719430910, 12615854, 4749204911, 560088952

Basic calculations (n = 19987629)

Multiplication

n×y
n×2 39975258
n×3 59962887
n×4 79950516
n×5 99938145

Division

n÷y
n÷2 9993814.5
n÷3 6662543
n÷3 4996907.25
n÷5 3997525.8

Exponentiation

ny
n2 399505313041641
n3 7.9851639806052E+21
n4 1.596044951485E+29
n5 3.1901154357605E+36

Nth Root

y√n
2√n 4470.7526212037
3√n 271.38578334888
4√n 66.863686865172
5√n 28.850427706537

Divisors of 19987629

1, 3, 6662543, 19987629

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 -19987628
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 19987629 can be divided by 4 positive divisors. The sum of these divisors (counting 19987629) is 1, the average is 0.25.

Base conversion 19987629

Base System Value
2 Binary 1001100001111110010101101
3 Ternary 1101121110212120
4 Quaternary 1030033302231
5 Quinary 20104101004
6 Senary 1552223153
8 Octal 114176255
10 Decimal 19987629
12 Duodecimal 683aab9
16 Hexadecimal 130fcad
20 Vigesimal 64i919
36 Base36 bwejx

Cryptographic Hash Functions

md5 05ac6c4647909a4c3dd3e919bf6b5c7e
sha1 74ba8750d8709905019e92fa57e42aac946653da
sha256 bc54cbf8b340c461ffedd34c8f9eb65ab1a4ca6d6c1727791ec3a0be955b6def
sha512 ad6f843c45f5953e4c39305402152bd5cf9cad219583d2dbdd5505f007f3c1276b8f630d3424bd39c939fbda63d052456ceb5f4b594e1b2f153bfd9c4035a959
ripemd-160 ef9182dd227b3e0144f8bc47bef1b25e102b12af

19987629 as geometric shapes

Circle

Radius = n
Diameter 39975258
Circumference 125585976.85816
Area 1.2550829565217E+15

Sphere

Radius = n
Volume 3.3448176665572E+22
Surface area 5.0203318260868E+15
Circumference 125585976.85816

Square

Length = n
Perimeter 79950516
Area 399505313041641
Diagonal 28266776.011482

Cube

Length = n
Surface area 2397031878249846
Volume 7.9851639806052E+21
Space diagonal 34619588.950837

Equilateral Triangle

Length = n
Perimeter 59962887
Area 1.7299087502046E+14
Altitude 17309794.475419

Triangular Pyramid

Length = n
Surface area 1.7299087502046E+14
Volume 9.4106059992875E+20
Height 9422258.6704939