388639420 (number)

388639420 is an even 9-digits composite number following 388639419 and preceding 388639421. In scientific notation, it is written as 3.88639420 × 10^8. The sum of its digits is 43. It has a total of 6 prime factors and 48 positive divisors. There are 143053056 positive integers (up to 388639420) that are relatively prime to 388639420.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88639420 × 10^8
Engineering notation 3.88639420 × 10^6

Prime Factorization of 388639420

Prime Factorization 2 × 2 × 5 × 13 × 349 × 4283

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 194319710
Product of the distinct prime numbers

The prime factorization of 388639420 is 2 × 2 × 5 × 13 × 349 × 4283. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 6, 2, 55, 454, 533, 4203, 957, 39325, 94586, 623986, 740161, 1032540, 1728199, 90630190, 50587060, 534862796, 372847279, 2014833918, 1021404444

Basic calculations (n = 388639420)

Multiplication

n×y
n×2 777278840
n×3 1165918260
n×4 1554557680
n×5 1943197100

Division

n÷y
n÷2 194319710
n÷3 129546473.33333
n÷3 97159855
n÷5 77727884

Exponentiation

ny
n2 151040598777936400
n3 5.870033070551E+25
n4 2.2813262479198E+34
n5 8.8661330982231E+42

Nth Root

y√n
2√n 19713.939738165
3√n 729.76374415108
4√n 140.40633795582
5√n 52.228718485737

Divisors of 388639420

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 349, 698, 1396, 1745, 3490, 4283, 4537, 6980, 8566, 9074, 17132, 18148, 21415, 22685, 42830, 45370, 55679, 85660, 90740, 111358, 222716, 278395, 556790, 1113580, 1494767, 2989534, 5979068, 7473835, 14947670, 19431971, 29895340, 38863942, 77727884, 97159855, 194319710, 388639420

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388639419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388639420 can be divided by 48 positive divisors. The sum of these divisors (counting 388639420) is 1, the average is 0.020833333333333.

Base conversion 388639420

Base System Value
2 Binary 10111001010100010101010111100
3 Ternary 1000002021221001121
4 Quaternary 113022202222330
5 Quinary 1243442430140
6 Senary 102321520324
8 Octal 2712425274
10 Decimal 388639420
12 Duodecimal aa1a30a4
16 Hexadecimal 172a2abc
20 Vigesimal 618jib0
36 Base36 6fdw3g

Cryptographic Hash Functions

md5 0e4e923d0be18a5c06ed7f06f53e889b
sha1 27b779cd1577a0d34a0a298bd414f89848670a14
sha256 d2150cf52008b124d79814e89ea9dc384c5caaa0eb1635d65dc2d732356a2653
sha512 f331fea628675d8ccd8a34b343bde170d93a9da7b92ea5cec56e2b3b4f42360a4ddf8b4628521103ddcc6e2ee20987ed3d24976a3af60cf39c12b5a8632b8d74
ripemd-160 800479d610234bba28f25eb8d668ded8b640d68f

388639420 as geometric shapes

Circle

Radius = n
Diameter 777278840
Circumference 2441893493.5348
Area 4.7450803551457E+17

Sphere

Radius = n
Volume 2.4588337027696E+26
Surface area 1.8980321420583E+18
Circumference 2441893493.5348

Square

Length = n
Perimeter 1554557680
Area 151040598777936400
Diagonal 549619138.63681

Cube

Length = n
Surface area 906243592667618400
Volume 5.870033070551E+25
Space diagonal 673143221.2641

Equilateral Triangle

Length = n
Perimeter 1165918260
Area 6.5402497772253E+16
Altitude 336571610.63205

Triangular Pyramid

Length = n
Surface area 6.5402497772253E+16
Volume 6.9179003166265E+24
Height 183206379.5456