388645290 (number)

388645290 is an even 9-digits composite number following 388645289 and preceding 388645291. In scientific notation, it is written as 3.88645290 × 10^8. The sum of its digits is 45. It has a total of 6 prime factors and 64 positive divisors. There are 92327040 positive integers (up to 388645290) that are relatively prime to 388645290.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred forty-five thousand two hundred ninety

Notation

Scientific notation 3.88645290 × 10^8
Engineering notation 3.88645290 × 10^6

Prime Factorization of 388645290

Prime Factorization 2 × 5 × 33 × 27 × 53 × 823

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 388645290
Product of the distinct prime numbers

The prime factorization of 388645290 is 2 × 5 × 33 × 27 × 53 × 823. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388645290)

Multiplication

n×y
n×2 777290580
n×3 1165935870
n×4 1554581160
n×5 1943226450

Division

n÷y
n÷2 194322645
n÷3 129548430
n÷3 97161322.5
n÷5 77729058

Exponentiation

ny
n2 151045161439184100
n3 5.8702990570629E+25
n4 2.2814640794189E+34
n5 8.8668026877035E+42

Nth Root

y√n
2√n 19714.088617027
3√n 729.76741824365
4√n 140.40686812627
5√n 52.228876257033

Divisors of 388645290

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388645289
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388645290 can be divided by 64 positive divisors. The sum of these divisors (counting 388645290) is 1, the average is 0.015625.

Base conversion 388645290

Base System Value
2 Binary 10111001010100100000110101010
3 Ternary 1000002022020010000
4 Quaternary 113022210012222
5 Quinary 1243443122130
6 Senary 102322003430
8 Octal 2712440652
10 Decimal 388645290
12 Duodecimal aa1a6576
16 Hexadecimal 172a41aa
20 Vigesimal 6190d4a
36 Base36 6fe0mi

Cryptographic Hash Functions

md5 6db31a83395de1bae17b37cd2731d961
sha1 9c98bee202a68e17791ff52d0cef2907c6dae8a7
sha256 deef6e390a02c376e982043e517f6b1aa73c2b0c4442c0813812a70b5ba452af
sha512 0006e922bd79364af1753d12b258a78f24800def076d0be0270cde004d33a21c76a2469cdf46eaa8c181a7c9e0036b951eb421ea5264c356a3372c221e71b643
ripemd-160 405fd793e662ac47c5b79ee739a52079272cda5e

388645290 as geometric shapes

Circle

Radius = n
Diameter 777290580
Circumference 2441930375.8325
Area 4.7452236953763E+17

Sphere

Radius = n
Volume 2.4589451189392E+26
Surface area 1.8980894781505E+18
Circumference 2441930375.8325

Square

Length = n
Perimeter 1554581160
Area 151045161439184100
Diagonal 549627440.07042

Cube

Length = n
Surface area 906270968635104600
Volume 5.8702990570629E+25
Space diagonal 673153388.40234

Equilateral Triangle

Length = n
Perimeter 1165935870
Area 6.5404473462528E+16
Altitude 336576694.20117

Triangular Pyramid

Length = n
Surface area 6.5404473462528E+16
Volume 6.9182137847369E+24
Height 183209146.69014