388639408 (number)

388639408 is an even 9-digits composite number following 388639407 and preceding 388639409. In scientific notation, it is written as 3.88639408 × 10^8. The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors. There are 190983168 positive integers (up to 388639408) that are relatively prime to 388639408.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred thirty-nine thousand four hundred eight

Notation

Scientific notation 3.88639408 × 10^8
Engineering notation 3.88639408 × 10^6

Prime Factorization of 388639408

Prime Factorization 2 × 2 × 2 × 2 × 177299 × 137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 48579926
Product of the distinct prime numbers

The prime factorization of 388639408 is 2 × 2 × 2 × 2 × 177299 × 137. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 8, 38, 69, 10, 864, 4837, 7726, 18839, 80191, 628626, 757293, 3342063, 5942802, 99523903, 66129954, 156677630, 481505849, 2119007241, 9110182927

Basic calculations (n = 388639408)

Multiplication

n×y
n×2 777278816
n×3 1165918224
n×4 1554557632
n×5 1943197040

Division

n÷y
n÷2 194319704
n÷3 129546469.33333
n÷3 97159852
n÷5 77727881.6

Exponentiation

ny
n2 151040589450590464
n3 5.8700325268049E+25
n4 2.2813259661582E+34
n5 8.8661317294274E+42

Nth Root

y√n
2√n 19713.939433812
3√n 729.76373664012
4√n 140.40633687199
5√n 52.228718163204

Divisors of 388639408

1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 177299, 354598, 709196, 1418392, 2836784, 24289963, 48579926, 97159852, 194319704, 388639408

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388639407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388639408 can be divided by 20 positive divisors. The sum of these divisors (counting 388639408) is 1, the average is 0.05.

Base conversion 388639408

Base System Value
2 Binary 10111001010100010101010110000
3 Ternary 1000002021221001011
4 Quaternary 113022202222300
5 Quinary 1243442430113
6 Senary 102321520304
8 Octal 2712425260
10 Decimal 388639408
12 Duodecimal aa1a3094
16 Hexadecimal 172a2ab0
20 Vigesimal 618jia8
36 Base36 6fdw34

Cryptographic Hash Functions

md5 c4c5dd22a3b1c7f50f41d1fec0d7e336
sha1 93a66d5f7407b9a7fb04199c53e699fc7474083e
sha256 5adcce290750341dfe40918dd53b22635641908c11b39bc28a3e6042dc72f7ba
sha512 de8abe746c088116b8a9d2a411119235f829b1a955c237889043fe46f5dc77c13e62b24ee5b45259d0e98dd92eae1ebc0ab473e30b4df226b11fde2f83d369e6
ripemd-160 bcbac7b361a1a1ac1aedf8a8d8be505516262cf0

388639408 as geometric shapes

Circle

Radius = n
Diameter 777278816
Circumference 2441893418.1366
Area 4.7450800621185E+17

Sphere

Radius = n
Volume 2.4588334750058E+26
Surface area 1.8980320248474E+18
Circumference 2441893418.1366

Square

Length = n
Perimeter 1554557632
Area 151040589450590464
Diagonal 549619121.66625

Cube

Length = n
Surface area 906243536703542784
Volume 5.8700325268049E+25
Space diagonal 673143200.47949

Equilateral Triangle

Length = n
Perimeter 1165918224
Area 6.5402493733394E+16
Altitude 336571600.23975

Triangular Pyramid

Length = n
Surface area 6.5402493733394E+16
Volume 6.9178996758155E+24
Height 183206373.88875