1538691821 (number)

1538691821 is an odd 10-digits composite number following 1538691820 and preceding 1538691822. In scientific notation, it is written as 1.538691821 × 10^9. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 1538046432 positive integers (up to 1538691821) that are relatively prime to 1538691821.

Interesting facts

Basic properties

Name

Name one billion five hundred thirty-eight million six hundred ninety-one thousand eight hundred twenty-one

Notation

Scientific notation 1.538691821 × 10^9
Engineering notation 1.538691821 × 10^9

Prime Factorization of 1538691821

Prime Factorization 2393 × 642997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1538691821
Product of the distinct prime numbers

The prime factorization of 1538691821 is 2393 × 642997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 29, 64, 96, 270, 4847, 3421, 32430, 40834, 820148, 560986, 9374374, 9866068, 24386949, 90047524, 21007027, 325598600, 9530575182, 1473536171

Basic calculations (n = 1538691821)

Multiplication

n×y
n×2 3077383642
n×3 4616075463
n×4 6154767284
n×5 7693459105

Division

n÷y
n÷2 769345910.5
n÷3 512897273.66667
n÷3 384672955.25
n÷5 307738364.2

Exponentiation

ny
n2 2367572520012296041
n3 3.6429644721673E+27
n4 5.6053996375174E+36
n5 8.6249825756843E+45

Nth Root

y√n
2√n 39226.162455688
3√n 1154.4732694412
4√n 198.0559578899
5√n 68.774957241691

Divisors of 1538691821

1, 2393, 642997, 1538691821

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 -1538691820
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 1538691821 can be divided by 4 positive divisors. The sum of these divisors (counting 1538691821) is 1, the average is 0.25.

Base conversion 1538691821

Base System Value
2 Binary 1011011101101101001001011101101
3 Ternary 10222020022122100222
4 Quaternary 1123231221023231
5 Quinary 11122401114241
6 Senary 412403301125
8 Octal 13355511355
10 Decimal 1538691821
12 Duodecimal 36b37a7a5
16 Hexadecimal 5bb692ed
20 Vigesimal 140gg9b1
36 Base36 pg3i7h

Cryptographic Hash Functions

md5 1750ba383e00c206b347fb9454afa81e
sha1 0058708b766fbd49a0c9ea767a24758472ef5df9
sha256 6669ea377fa09d4ca14c19d28bcc4b79c44b55410130ffe965db6e4ef7d8a118
sha512 8599a5bdc543c7bd96f42538e994bcff529857d84e865884a0260abe1235ac0ce0f369e670cee30604f8f72501067719e5b8c44d86231a296292fc47b8b148ad
ripemd-160 b366833218d8200468af21c877b7164271544820

1538691821 as geometric shapes

Circle

Radius = n
Diameter 3077383642
Circumference 9667885841.9846
Area 7.4379484357117E+18

Sphere

Radius = n
Volume 1.5259613897399E+28
Surface area 2.9751793742847E+19
Circumference 9667885841.9846

Square

Length = n
Perimeter 6154767284
Area 2367572520012296041
Diagonal 2176038841.5708

Cube

Length = n
Surface area 1.4205435120074E+19
Volume 3.6429644721673E+27
Space diagonal 2665092411.1627

Equilateral Triangle

Length = n
Perimeter 4616075463
Area 1.0251889738163E+18
Altitude 1332546205.5813

Triangular Pyramid

Length = n
Surface area 1.0251889738163E+18
Volume 4.2932748031519E+26
Height 725346280.52358