19492749 (number)

19492749 is an odd 8-digits composite number following 19492748 and preceding 19492750. In scientific notation, it is written as 1.9492749 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 12968712 positive integers (up to 19492749) that are relatively prime to 19492749.

Interesting facts

Basic properties

Name

Name nineteen million four hundred ninety-two thousand seven hundred forty-nine

Notation

Scientific notation 1.9492749 × 10^7
Engineering notation 1.9492749 × 10^6

Prime Factorization of 19492749

Prime Factorization 3 × 1689 × 3847

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19492749
Product of the distinct prime numbers

The prime factorization of 19492749 is 3 × 1689 × 3847. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19492749)

Multiplication

n×y
n×2 38985498
n×3 58478247
n×4 77970996
n×5 97463745

Division

n÷y
n÷2 9746374.5
n÷3 6497583
n÷3 4873187.25
n÷5 3898549.8

Exponentiation

ny
n2 379967263577001
n3 7.4066064971233E+21
n4 1.4437512139019E+29
n5 2.8142680031036E+36

Nth Root

y√n
2√n 4415.0593427495
3√n 269.12726435323
4√n 66.445912912304
5√n 28.706128072003

Divisors of 19492749

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 -19492748
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 19492749 can be divided by 8 positive divisors. The sum of these divisors (counting 19492749) is 1, the average is 0.125.

Base conversion 19492749

Base System Value
2 Binary 1001010010110111110001101
3 Ternary 1100200100000200
4 Quaternary 1022112332031
5 Quinary 14442231444
6 Senary 1533444113
8 Octal 112267615
10 Decimal 19492749
12 Duodecimal 6640639
16 Hexadecimal 1296f8d
20 Vigesimal 61gbh9
36 Base36 blsp9

Cryptographic Hash Functions

md5 c3043525dc03de47b18768ea3740e88c
sha1 31eaf0a8f84f3664f2657cf3a8b30e0e2add6500
sha256 91273ebd5f744fc9413c02d7f232231f1991b04045e8e9e546fa1dededd01be2
sha512 674fd8a9cedcd3218c8242a22731b9b616541043c146672680e0153753b2529ce07b90184f42c5f4508d457218e2c69738503134b534382a6be09561e26d5688
ripemd-160 900e5826a8d14e9f4a205a8c0001a25dae7a000d

19492749 as geometric shapes

Circle

Radius = n
Diameter 38985498
Circumference 122476554.11334
Area 1.1937023638581E+15

Sphere

Radius = n
Volume 3.1024720745857E+22
Surface area 4.7748094554325E+15
Circumference 122476554.11334

Square

Length = n
Perimeter 77970996
Area 379967263577001
Diagonal 27566910.003735

Cube

Length = n
Surface area 2279803581462006
Volume 7.4066064971233E+21
Space diagonal 33762431.647187

Equilateral Triangle

Length = n
Perimeter 58478247
Area 1.6453065143207E+14
Altitude 16881215.823594

Triangular Pyramid

Length = n
Surface area 1.6453065143207E+14
Volume 8.7287694661604E+20
Height 9188970.0012449