19431387 (number)

19431387 is an odd 8-digits composite number following 19431386 and preceding 19431388. In scientific notation, it is written as 1.9431387 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 12954240 positive integers (up to 19431387) that are relatively prime to 19431387.

Interesting facts

Basic properties

Name

Name nineteen million four hundred thirty-one thousand three hundred eighty-seven

Notation

Scientific notation 1.9431387 × 10^7
Engineering notation 1.9431387 × 10^6

Prime Factorization of 19431387

Prime Factorization 27 × 719681

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19431387
Product of the distinct prime numbers

The prime factorization of 19431387 is 27 × 719681. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19431387)

Multiplication

n×y
n×2 38862774
n×3 58294161
n×4 77725548
n×5 97156935

Division

n÷y
n÷2 9715693.5
n÷3 6477129
n÷3 4857846.75
n÷5 3886277.4

Exponentiation

ny
n2 377578800743769
n3 7.3368798002481E+21
n4 1.425657507711E+29
n5 2.7702502761788E+36

Nth Root

y√n
2√n 4408.104694764
3√n 268.84456870198
4√n 66.393559136139
5√n 28.6880322393

Divisors of 19431387

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 -19431386
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 19431387 can be divided by 4 positive divisors. The sum of these divisors (counting 19431387) is 1, the average is 0.25.

Base conversion 19431387

Base System Value
2 Binary 1001010000111111111011011
3 Ternary 1100120012212000
4 Quaternary 1022013333123
5 Quinary 14433301022
6 Senary 1532252043
8 Octal 112077733
10 Decimal 19431387
12 Duodecimal 6611023
16 Hexadecimal 1287fdb
20 Vigesimal 618i97
36 Base36 bkhcr

Cryptographic Hash Functions

md5 df4731d6b66cef9a8db5b888d3ddbccd
sha1 9659842f79bc415a6fd71b3dcee062210db2c97d
sha256 d656e68cee95c5677618819aa18a029f4f328dc50ab3076377908b87ac2d2a2b
sha512 2ac4a0a9873a279e58e9bb0eca7f1dd00a3b27749e049b45fc4a999dd3a4768cc3e399bcb6de28298aedfdba8805622f0a61b7e9e29515ed257477f1020c4ea3
ripemd-160 aebf9a813da061fd016ce0287f29065a54f7f995

19431387 as geometric shapes

Circle

Radius = n
Diameter 38862774
Circumference 122091005.29652
Area 1.1861987865679E+15

Sphere

Radius = n
Volume 3.0732650240974E+22
Surface area 4.7447951462715E+15
Circumference 122091005.29652

Square

Length = n
Perimeter 77725548
Area 377578800743769
Diagonal 27480131.03112

Cube

Length = n
Surface area 2265472804462614
Volume 7.3368798002481E+21
Space diagonal 33656149.545533

Equilateral Triangle

Length = n
Perimeter 58294161
Area 1.6349641668728E+14
Altitude 16828074.772767

Triangular Pyramid

Length = n
Surface area 1.6349641668728E+14
Volume 8.6465957658433E+20
Height 9160043.6770401