19997639 (number)

19997639 is an odd 8-digits composite number following 19997638 and preceding 19997640. In scientific notation, it is written as 1.9997639 × 10^7. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 19982424 positive integers (up to 19997639) that are relatively prime to 19997639.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-seven thousand six hundred thirty-nine

Notation

Scientific notation 1.9997639 × 10^7
Engineering notation 1.9997639 × 10^6

Prime Factorization of 19997639

Prime Factorization 1453 × 13763

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19997639
Product of the distinct prime numbers

The prime factorization of 19997639 is 1453 × 13763. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19997639)

Multiplication

n×y
n×2 39995278
n×3 59992917
n×4 79990556
n×5 99988195

Division

n÷y
n÷2 9998819.5
n÷3 6665879.6666667
n÷3 4999409.75
n÷5 3999527.8

Exponentiation

ny
n2 399905565574321
n3 7.9971671344461E+21
n4 1.5992446137732E+29
n5 3.198111645893E+36

Nth Root

y√n
2√n 4471.871979384
3√n 271.43108000584
4√n 66.872056790441
5√n 28.853316843078

Divisors of 19997639

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 -19997638
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 19997639 can be divided by 4 positive divisors. The sum of these divisors (counting 19997639) is 1, the average is 0.25.

Base conversion 19997639

Base System Value
2 Binary 1001100010010001111000111
3 Ternary 1101121222121022
4 Quaternary 1030102033013
5 Quinary 20104411024
6 Senary 1552341355
8 Octal 114221707
10 Decimal 19997639
12 Duodecimal 684485b
16 Hexadecimal 13123c7
20 Vigesimal 64je1j
36 Base36 bwm9z

Cryptographic Hash Functions

md5 569cbfbb9e098b1379d46d44ffdf7420
sha1 eb1e153ef14d773ca4ee00c899a761845b9a3c6d
sha256 f1b05e6beb1d30b90a7e4b8a556fa186546e2eb90b81548f251cddacda6cc69c
sha512 1ddb4a181ff19c39de0153a84f412dd51f5c1aad54a6bad9c40f1fee005eff499c252beebf1559590fff4a5610535970d7ebf30eb8bfb8970d02596e76b7265e
ripemd-160 0a37258df0abfc70dfa4047bd5226b005d123590

19997639 as geometric shapes

Circle

Radius = n
Diameter 39995278
Circumference 125648871.54308
Area 1.256340386938E+15

Sphere

Radius = n
Volume 3.3498455358807E+22
Surface area 5.0253615477518E+15
Circumference 125648871.54308

Square

Length = n
Perimeter 79990556
Area 399905565574321
Diagonal 28280932.289241

Cube

Length = n
Surface area 2399433393445926
Volume 7.9971671344461E+21
Space diagonal 34636926.779421

Equilateral Triangle

Length = n
Perimeter 59992917
Area 1.7316418945107E+14
Altitude 17318463.38971

Triangular Pyramid

Length = n
Surface area 1.7316418945107E+14
Volume 9.4247518517484E+20
Height 9426977.429747