19993990 (number)

19993990 is an even 8-digits composite number following 19993989 and preceding 19993991. In scientific notation, it is written as 1.9993990 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors. There are 7961760 positive integers (up to 19993990) that are relatively prime to 19993990.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-three thousand nine hundred ninety

Notation

Scientific notation 1.9993990 × 10^7
Engineering notation 1.9993990 × 10^6

Prime Factorization of 19993990

Prime Factorization 2 × 5 × 229 × 8731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19993990
Product of the distinct prime numbers

The prime factorization of 19993990 is 2 × 5 × 229 × 8731. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 76, 67, 481, 285, 6849, 9827, 91261, 26733, 559474, 371875, 4684382, 2989605, 42759087, 85304207, 666258107, 272853998, 3323755848, 5915382010

Basic calculations (n = 19993990)

Multiplication

n×y
n×2 39987980
n×3 59981970
n×4 79975960
n×5 99969950

Division

n÷y
n÷2 9996995
n÷3 6664663.3333333
n÷3 4998497.5
n÷5 3998798

Exponentiation

ny
n2 399759636120100
n3 7.9927901669889E+21
n4 1.5980776667087E+29
n5 3.1951948887398E+36

Nth Root

y√n
2√n 4471.4639660854
3√n 271.4145695191
4√n 66.86900601987
5√n 28.852263784378

Divisors of 19993990

1, 2, 5, 10, 229, 458, 1145, 2290, 8731, 17462, 43655, 87310, 1999399, 3998798, 9996995, 19993990

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 -19993989
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 19993990 can be divided by 16 positive divisors. The sum of these divisors (counting 19993990) is 1, the average is 0.0625.

Base conversion 19993990

Base System Value
2 Binary 1001100010001010110000110
3 Ternary 1101121210121011
4 Quaternary 1030101112012
5 Quinary 20104301430
6 Senary 1552312434
8 Octal 114212606
10 Decimal 19993990
12 Duodecimal 684271a
16 Hexadecimal 1311586
20 Vigesimal 64j4ja
36 Base36 bwjgm

Cryptographic Hash Functions

md5 6764a8ee9d2b3c432362672149e17988
sha1 e2158a557db79ae09583fc8f9ffe13c9d1bdcd1c
sha256 5b007d58af9d0b2ec7b10bbf17c90d0efa9b5b6f8ad6a64722d3a83048130235
sha512 c6b17d4165ebe9ec44a49cc11626c65bf07a8508e625c3b534d5e4b40ae8463ec7764df7a6a0afe5bb403bcf2e4614707abe4102e78a6953a917e4598e92faff
ripemd-160 1a57d1fb6471bf768e813a21fcb5c596f2e11e7d

19993990 as geometric shapes

Circle

Radius = n
Diameter 39987980
Circumference 125625944.1999
Area 1.2558819360366E+15

Sphere

Radius = n
Volume 3.3480121160396E+22
Surface area 5.0235277441465E+15
Circumference 125625944.1999

Square

Length = n
Perimeter 79975960
Area 399759636120100
Diagonal 28275771.823952

Cube

Length = n
Surface area 2398557816720600
Volume 7.9927901669889E+21
Space diagonal 34630606.526024

Equilateral Triangle

Length = n
Perimeter 59981970
Area 1.7310100014381E+14
Altitude 17315303.263012

Triangular Pyramid

Length = n
Surface area 1.7310100014381E+14
Volume 9.4195935461317E+20
Height 9425257.2746507