388681906 (number)

388681906 is an even 9-digits composite number following 388681905 and preceding 388681907. In scientific notation, it is written as 3.88681906 × 10^8. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 188071860 positive integers (up to 388681906) that are relatively prime to 388681906.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred eighty-one thousand nine hundred six

Notation

Scientific notation 3.88681906 × 10^8
Engineering notation 3.88681906 × 10^6

Prime Factorization of 388681906

Prime Factorization 2 × 31 × 6269063

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388681906
Product of the distinct prime numbers

The prime factorization of 388681906 is 2 × 31 × 6269063. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 2, 1, 7, 620, 720, 5717, 2820, 45222, 81879, 159809, 329769, 9964521, 8513957, 46439883, 40933507, 985876044, 114376535, 3052507563, 3624261049

Basic calculations (n = 388681906)

Multiplication

n×y
n×2 777363812
n×3 1166045718
n×4 1554727624
n×5 1943409530

Division

n÷y
n÷2 194340953
n÷3 129560635.33333
n÷3 97170476.5
n÷5 77736381.2

Exponentiation

ny
n2 151073624051792836
n3 5.8719584142778E+25
n4 2.2823239884142E+34
n5 8.8709803792637E+42

Nth Root

y√n
2√n 19715.017271106
3√n 729.79033573452
4√n 140.4101750982
5√n 52.229860362857

Divisors of 388681906

1, 2, 31, 62, 6269063, 12538126, 194340953, 388681906

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 -388681905
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 388681906 can be divided by 8 positive divisors. The sum of these divisors (counting 388681906) is 1, the average is 0.125.

Base conversion 388681906

Base System Value
2 Binary 10111001010101101000010110010
3 Ternary 1000002101002100011
4 Quaternary 113022231002302
5 Quinary 1244000310111
6 Senary 102322445134
8 Octal 2712550262
10 Decimal 388681906
12 Duodecimal aa2037aa
16 Hexadecimal 172ad0b2
20 Vigesimal 61954f6
36 Base36 6fesvm

Cryptographic Hash Functions

md5 8977b7e19a7c3573e2b4be39229274ef
sha1 3985a417d37541e2cf449f8e810ea4cfa8c12642
sha256 497e89b189bff3437c95e6c4333012a69137517b7bdeb08bbbc6375b3bf2b858
sha512 d8c2e23950e55bd35dfb6fed6853004a104e3c9a62c47d3d2e04ef22aa9d9dd299116d0be5487cae3e60edad0f398e771d4d068a44485ccbd4540d17bc2021f8
ripemd-160 c43fe4f6ba812aab3f79b893b4c851298ca511dc

388681906 as geometric shapes

Circle

Radius = n
Diameter 777363812
Circumference 2442160440.9458
Area 4.746117874723E+17

Sphere

Radius = n
Volume 2.459640188864E+26
Surface area 1.8984471498892E+18
Circumference 2442160440.9458

Square

Length = n
Perimeter 1554727624
Area 151073624051792836
Diagonal 549679222.91422

Cube

Length = n
Surface area 906441744310757016
Volume 5.8719584142778E+25
Space diagonal 673216809.17471

Equilateral Triangle

Length = n
Perimeter 1166045718
Area 6.5416798135316E+16
Altitude 336608404.58736

Triangular Pyramid

Length = n
Surface area 6.5416798135316E+16
Volume 6.9201693559688E+24
Height 183226407.63807