388538138 (number)

388538138 is an even 9-digits composite number following 388538137 and preceding 388538139. In scientific notation, it is written as 3.88538138 × 10^8. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 193577440 positive integers (up to 388538138) that are relatively prime to 388538138.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million five hundred thirty-eight thousand one hundred thirty-eight

Notation

Scientific notation 3.88538138 × 10^8
Engineering notation 3.88538138 × 10^6

Prime Factorization of 388538138

Prime Factorization 2 × 281 × 691349

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388538138
Product of the distinct prime numbers

The prime factorization of 388538138 is 2 × 281 × 691349. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 90, 26, 216, 44, 9097, 4711, 43130, 21675, 956004, 439823, 2595752, 7175437, 31645783, 74717187, 987936576, 542486718, 3868931526, 8076232079

Basic calculations (n = 388538138)

Multiplication

n×y
n×2 777076276
n×3 1165614414
n×4 1554152552
n×5 1942690690

Division

n÷y
n÷2 194269069
n÷3 129512712.66667
n÷3 97134534.5
n÷5 77707627.6

Exponentiation

ny
n2 150961884680507044
n3 5.8654449582735E+25
n4 2.2789490626291E+34
n5 8.8545862539074E+42

Nth Root

y√n
2√n 19711.370779324
3√n 729.70034489262
4√n 140.39718935693
5√n 52.225995972114

Divisors of 388538138

1, 2, 281, 562, 691349, 1382698, 194269069, 388538138

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388538137
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388538138 can be divided by 8 positive divisors. The sum of these divisors (counting 388538138) is 1, the average is 0.125.

Base conversion 388538138

Base System Value
2 Binary 10111001010001001111100011010
3 Ternary 1000002002210010102
4 Quaternary 113022021330122
5 Quinary 1243431210023
6 Senary 102315415402
8 Octal 2712117432
10 Decimal 388538138
12 Duodecimal aa154562
16 Hexadecimal 17289f1a
20 Vigesimal 618756i
36 Base36 6fbpy2

Cryptographic Hash Functions

md5 efcc05a685481a2c2731c86112812a6f
sha1 9ff01ec97c2b560bf0536e5d2938dcc19acc32de
sha256 8e64e1601c0f39d9060e39f97f96752b114a03b0f81456083db9b0156ab3d82d
sha512 37891fe8336a1173e2d9cb2a9e17371eb3f5dc53123af315d26b77656e78321f46bdea90f33dcbb6efa4355e33d0f2857dd5df86e060859bcd7c951a2e374a9c
ripemd-160 428c850c2acd0a31cebf1d7b1f922a01f66b4b77

388538138 as geometric shapes

Circle

Radius = n
Diameter 777076276
Circumference 2441257119.9605
Area 4.7426074788435E+17

Sphere

Radius = n
Volume 2.456911838793E+26
Surface area 1.8970429915374E+18
Circumference 2441257119.9605

Square

Length = n
Perimeter 1554152552
Area 150961884680507044
Diagonal 549475904.25879

Cube

Length = n
Surface area 905771308083042264
Volume 5.8654449582735E+25
Space diagonal 672967795.69421

Equilateral Triangle

Length = n
Perimeter 1165614414
Area 6.5368413568248E+16
Altitude 336483897.8471

Triangular Pyramid

Length = n
Surface area 6.5368413568248E+16
Volume 6.9124931744527E+24
Height 183158634.75293