388966921 (number)

388966921 is an odd 9-digits composite number following 388966920 and preceding 388966922. In scientific notation, it is written as 3.88966921 × 10^8. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 333400212 positive integers (up to 388966921) that are relatively prime to 388966921.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million nine hundred sixty-six thousand nine hundred twenty-one

Notation

Scientific notation 3.88966921 × 10^8
Engineering notation 3.88966921 × 10^6

Prime Factorization of 388966921

Prime Factorization 7 × 55566703

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388966921
Product of the distinct prime numbers

The prime factorization of 388966921 is 7 × 55566703. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388966921)

Multiplication

n×y
n×2 777933842
n×3 1166900763
n×4 1555867684
n×5 1944834605

Division

n÷y
n÷2 194483460.5
n÷3 129655640.33333
n÷3 97241730.25
n÷5 77793384.2

Exponentiation

ny
n2 151295265632220241
n3 5.8848853634842E+25
n4 2.2890257402724E+34
n5 8.903552942835E+42

Nth Root

y√n
2√n 19722.244319549
3√n 729.96867382931
4√n 140.43590822703
5√n 52.237518002164

Divisors of 388966921

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 -388966920
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 388966921 can be divided by 4 positive divisors. The sum of these divisors (counting 388966921) is 1, the average is 0.25.

Base conversion 388966921

Base System Value
2 Binary 10111001011110010101000001001
3 Ternary 1000002220120022021
4 Quaternary 113023302220021
5 Quinary 1244033420141
6 Senary 102332524441
8 Octal 2713625011
10 Decimal 388966921
12 Duodecimal aa320721
16 Hexadecimal 172f2a09
20 Vigesimal 61b0h61
36 Base36 6fkwsp

Cryptographic Hash Functions

md5 bf0aec3e193887afb869aafa2be1475b
sha1 54445e81b61810a6df86a1ebfb33dcc225885723
sha256 56a6573f804946ea304d209dcbff20bc8c2669978383e35f4b37e6f485d881e8
sha512 7db20c9f89386bba959c5c7f774ec98eda8844fca8b45bb7cb66b7cb408406953b8a387a8f962b7713ea71b3309d740c120e65d30a5c4af32e29a8f977b58849
ripemd-160 61c148dcda41ccfe51d8bcc408e61dba49a7e993

388966921 as geometric shapes

Circle

Radius = n
Diameter 777933842
Circumference 2443951243.0061
Area 4.753080950331E+17

Sphere

Radius = n
Volume 2.4650550166853E+26
Surface area 1.9012323801324E+18
Circumference 2443951243.0061

Square

Length = n
Perimeter 1555867684
Area 151295265632220241
Diagonal 550082294.9927

Cube

Length = n
Surface area 907771593793321446
Volume 5.8848853634842E+25
Space diagonal 673710469.63563

Equilateral Triangle

Length = n
Perimeter 1166900763
Area 6.5512771754909E+16
Altitude 336855234.81781

Triangular Pyramid

Length = n
Surface area 6.5512771754909E+16
Volume 6.9354039117085E+24
Height 183360764.99757