19981637 (number)

19981637 is an odd 8-digits composite number following 19981636 and preceding 19981638. In scientific notation, it is written as 1.9981637 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 17994240 positive integers (up to 19981637) that are relatively prime to 19981637.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand six hundred thirty-seven

Notation

Scientific notation 1.9981637 × 10^7
Engineering notation 1.9981637 × 10^6

Prime Factorization of 19981637

Prime Factorization 13 × 41 × 37489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19981637
Product of the distinct prime numbers

The prime factorization of 19981637 is 13 × 41 × 37489. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19981637)

Multiplication

n×y
n×2 39963274
n×3 59944911
n×4 79926548
n×5 99908185

Division

n÷y
n÷2 9990818.5
n÷3 6660545.6666667
n÷3 4995409.25
n÷5 3996327.4

Exponentiation

ny
n2 399265817199769
n3 7.9779846257941E+21
n4 1.594131927842E+29
n5 3.1853365512249E+36

Nth Root

y√n
2√n 4470.0824377186
3√n 271.35866147033
4√n 66.8586751119
5√n 28.848697711485

Divisors of 19981637

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 -19981636
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 19981637 can be divided by 8 positive divisors. The sum of these divisors (counting 19981637) is 1, the average is 0.125.

Base conversion 19981637

Base System Value
2 Binary 1001100001110010101000101
3 Ternary 1101121011122122
4 Quaternary 1030032111011
5 Quinary 20103403022
6 Senary 1552135325
8 Octal 114162505
10 Decimal 19981637
12 Duodecimal 6837545
16 Hexadecimal 130e545
20 Vigesimal 64he1h
36 Base36 bw9xh

Cryptographic Hash Functions

md5 535e9d3c6e1a530d34bcfa23280d6db5
sha1 4f1997d62d4a380f3ff5dbfd73566ae41f8cf471
sha256 c831591cbec25c6d1a97826e97efa27f6a2bbbe024b9128a80909823b24061ce
sha512 762afdff44f816f8eed11ee8cf7603b2b9609c29fcfee19be968517ac7d7719ce4ef358822d1c4e21da3a214c3cd63c755f7b2317856c4563d2ed93b71c196b4
ripemd-160 7d32defb7419afefbf6f37b1eac4e8516a7b9fc1

19981637 as geometric shapes

Circle

Radius = n
Diameter 39963274
Circumference 125548328.0118
Area 1.2543305581443E+15

Sphere

Radius = n
Volume 3.3418103854463E+22
Surface area 5.0173222325773E+15
Circumference 125548328.0118

Square

Length = n
Perimeter 79926548
Area 399265817199769
Diagonal 28258302.043816

Cube

Length = n
Surface area 2395594903198614
Volume 7.9779846257941E+21
Space diagonal 34609210.502398

Equilateral Triangle

Length = n
Perimeter 59944911
Area 1.7288717027888E+14
Altitude 17304605.251199

Triangular Pyramid

Length = n
Surface area 1.7288717027888E+14
Volume 9.4021450485018E+20
Height 9419434.0146053