388631385 (number)

388631385 is an odd 9-digits composite number following 388631384 and preceding 388631386. In scientific notation, it is written as 3.88631385 × 10^8. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 207270000 positive integers (up to 388631385) that are relatively prime to 388631385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88631385 × 10^8
Engineering notation 3.88631385 × 10^6

Prime Factorization of 388631385

Prime Factorization 135 × 2878751

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388631385
Product of the distinct prime numbers

The prime factorization of 388631385 is 135 × 2878751. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 6, 17, 37, 814, 324, 5557, 8632, 43814, 78474, 971270, 760059, 519559, 5471351, 67808423, 54539276, 173835759, 841065065, 6139236638, 120654255

Basic calculations (n = 388631385)

Multiplication

n×y
n×2 777262770
n×3 1165894155
n×4 1554525540
n×5 1943156925

Division

n÷y
n÷2 194315692.5
n÷3 129543795
n÷3 97157846.25
n÷5 77726277

Exponentiation

ny
n2 151034353407018225
n3 5.8696689947149E+25
n4 2.2811375909076E+34
n5 8.8652166132999E+42

Nth Root

y√n
2√n 19713.735947303
3√n 729.75871490307
4√n 140.40561223578
5√n 52.228502521426

Divisors of 388631385

1, 135, 2878751, 388631385

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388631384
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388631385 can be divided by 4 positive divisors. The sum of these divisors (counting 388631385) is 1, the average is 0.25.

Base conversion 388631385

Base System Value
2 Binary 10111001010100000101101011001
3 Ternary 1000002021112001000
4 Quaternary 113022200231121
5 Quinary 1243442201020
6 Senary 102321415213
8 Octal 2712405531
10 Decimal 388631385
12 Duodecimal aa19a509
16 Hexadecimal 172a0b59
20 Vigesimal 618ii95
36 Base36 6fdpw9

Cryptographic Hash Functions

md5 a7f1b742739438eeda0a1e12c1561109
sha1 bdd473bd06f2a895cfb1b476928c7ed4622d26d5
sha256 6d91be42b67dcba17e3e24a5899651ec37beb41dc3402f484d25c23b72f0bc7f
sha512 fd3e839a399a46ce2ceea111e858443808081c14447a3ea5e05b5d549914e9896bbbd54501a17bf68cc7ccbcf2831c329ebd06c6fd21fd09c3eb579d95dc7d9a
ripemd-160 f9a5b86640ac460d3618aeb5d74534e197412731

388631385 as geometric shapes

Circle

Radius = n
Diameter 777262770
Circumference 2441843008.1409
Area 4.7448841510317E+17

Sphere

Radius = n
Volume 2.45868119904E+26
Surface area 1.8979536604127E+18
Circumference 2441843008.1409

Square

Length = n
Perimeter 1554525540
Area 151034353407018225
Diagonal 549607775.43084

Cube

Length = n
Surface area 906206120442109350
Volume 5.8696689947149E+25
Space diagonal 673129304.23586

Equilateral Triangle

Length = n
Perimeter 1165894155
Area 6.5399793447317E+16
Altitude 336564652.11793

Triangular Pyramid

Length = n
Surface area 6.5399793447317E+16
Volume 6.9174712491389E+24
Height 183202591.81028