388993821 (number)

388993821 is an odd 9-digits composite number following 388993820 and preceding 388993822. In scientific notation, it is written as 3.88993821 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 245680272 positive integers (up to 388993821) that are relatively prime to 388993821.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million nine hundred ninety-three thousand eight hundred twenty-one

Notation

Scientific notation 3.88993821 × 10^8
Engineering notation 3.88993821 × 10^6

Prime Factorization of 388993821

Prime Factorization 3 × 19 × 6824453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388993821
Product of the distinct prime numbers

The prime factorization of 388993821 is 3 × 19 × 6824453. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 3, 62, 24, 79, 364, 3575, 608, 12151, 67942, 279106, 437282, 1352727, 266440, 44276075, 69471795, 228997174, 260486677, 5044574962, 4157325520

Basic calculations (n = 388993821)

Multiplication

n×y
n×2 777987642
n×3 1166981463
n×4 1555975284
n×5 1944969105

Division

n÷y
n÷2 194496910.5
n÷3 129664607
n÷3 97248455.25
n÷5 77798764.2

Exponentiation

ny
n2 151316192776180041
n3 5.8861064007179E+25
n4 2.2896590196278E+34
n5 8.9066321083214E+42

Nth Root

y√n
2√n 19722.926278826
3√n 729.98550105687
4√n 140.43833621496
5√n 52.23824050595

Divisors of 388993821

1, 3, 19, 57, 6824453, 20473359, 129664607, 388993821

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 -388993820
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 388993821 can be divided by 8 positive divisors. The sum of these divisors (counting 388993821) is 1, the average is 0.125.

Base conversion 388993821

Base System Value
2 Binary 10111001011111001001100011101
3 Ternary 1000002221221012120
4 Quaternary 113023321030131
5 Quinary 1244040300241
6 Senary 102333253153
8 Octal 2713711435
10 Decimal 388993821
12 Duodecimal aa3341b9
16 Hexadecimal 172f931d
20 Vigesimal 61b44b1
36 Base36 6flhjx

Cryptographic Hash Functions

md5 9502eedab42a48d39e615f9ac8ed1073
sha1 264c73bbeb61aa41b8c11d182244f33584c48462
sha256 e001b7b05c89a7c93e5dd22027b67146d2082fef76d3086163e5939baa1a3f40
sha512 7052d4a31233f8b4c487359e82494a18788ca923f4a7c06dfd8545660b9d2c0ea59c2fa6dc11e898150582417336c240f4e1c522becf2ee312a8adbdc136462a
ripemd-160 43a95b014b08910429ddab76d39241ce8fef7dbd

388993821 as geometric shapes

Circle

Radius = n
Diameter 777987642
Circumference 2444120260.6908
Area 4.7537383959482E+17

Sphere

Radius = n
Volume 2.4655664835658E+26
Surface area 1.9014953583793E+18
Circumference 2444120260.6908

Square

Length = n
Perimeter 1555975284
Area 151316192776180041
Diagonal 550120337.33753

Cube

Length = n
Surface area 907897156657080246
Volume 5.8861064007179E+25
Space diagonal 673757061.80235

Equilateral Triangle

Length = n
Perimeter 1166981463
Area 6.5521833474058E+16
Altitude 336878530.90118

Triangular Pyramid

Length = n
Surface area 6.5521833474058E+16
Volume 6.9368429178886E+24
Height 183373445.77918