388645390 (number)

388645390 is an even 9-digits composite number following 388645389 and preceding 388645391. In scientific notation, it is written as 3.88645390 × 10^8. The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors. There are 129856896 positive integers (up to 388645390) that are relatively prime to 388645390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88645390 × 10^8
Engineering notation 3.88645390 × 10^6

Prime Factorization of 388645390

Prime Factorization 2 × 5 × 7 × 39943 × 139

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 388645390
Product of the distinct prime numbers

The prime factorization of 388645390 is 2 × 5 × 7 × 39943 × 139. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 77, 63, 551, 722, 7864, 74, 81229, 10137, 132183, 871165, 8868511, 1053014, 41761093, 91789653, 427194099, 688671931, 2411815596, 5295665772

Basic calculations (n = 388645390)

Multiplication

n×y
n×2 777290780
n×3 1165936170
n×4 1554581560
n×5 1943226950

Division

n÷y
n÷2 194322695
n÷3 129548463.33333
n÷3 97161347.5
n÷5 77729078

Exponentiation

ny
n2 151045239168252100
n3 5.8703035884189E+25
n4 2.2814664275394E+34
n5 8.8668140950298E+42

Nth Root

y√n
2√n 19714.091153284
3√n 729.76748083434
4√n 140.40687715808
5√n 52.228878944773

Divisors of 388645390

1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 39943, 79886, 199715, 279601, 399430, 559202, 1398005, 2796010, 5552077, 11104154, 27760385, 38864539, 55520770, 77729078, 194322695, 388645390

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388645389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388645390 can be divided by 32 positive divisors. The sum of these divisors (counting 388645390) is 1, the average is 0.03125.

Base conversion 388645390

Base System Value
2 Binary 10111001010100100001000001110
3 Ternary 1000002022020020201
4 Quaternary 113022210020032
5 Quinary 1243443123030
6 Senary 102322004114
8 Octal 2712441016
10 Decimal 388645390
12 Duodecimal aa1a663a
16 Hexadecimal 172a420e
20 Vigesimal 6190d9a
36 Base36 6fe0pa

Cryptographic Hash Functions

md5 bfc3e4300340ee0d899c6f7b4d90c4dc
sha1 e4fac506d19131523c3244fadf87999d7f76d955
sha256 8efb4660fd5c6fecb6d85454b9304eb26e3c460995c0ee45678f76ff86d456c1
sha512 6a68e3ceecbe3ccfb47cfd3441e7fafb4f9c52f45039ef4f2c03203390fa1607d90078d9818c6a32de3f42fd94b9c9b2a230f9a462aa44dead2c62bf528037ef
ripemd-160 998caa7aeda2a6dadf60b81526801524c01e1b28

388645390 as geometric shapes

Circle

Radius = n
Diameter 777290780
Circumference 2441931004.1511
Area 4.7452261373069E+17

Sphere

Radius = n
Volume 2.4589470170291E+26
Surface area 1.8980904549228E+18
Circumference 2441931004.1511

Square

Length = n
Perimeter 1554581560
Area 151045239168252100
Diagonal 549627581.49178

Cube

Length = n
Surface area 906271435009512600
Volume 5.8703035884189E+25
Space diagonal 673153561.60742

Equilateral Triangle

Length = n
Perimeter 1165936170
Area 6.5404507120201E+16
Altitude 336576780.80371

Triangular Pyramid

Length = n
Surface area 6.5404507120201E+16
Volume 6.9182191249912E+24
Height 183209193.83059