388681640 (number)

388681640 is an even 9-digits composite number following 388681639 and preceding 388681641. In scientific notation, it is written as 3.88681640 × 10^8. The sum of its digits is 44. It has a total of 7 prime factors and 64 positive divisors. There are 151022080 positive integers (up to 388681640) that are relatively prime to 388681640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88681640 × 10^8
Engineering notation 3.88681640 × 10^6

Prime Factorization of 388681640

Prime Factorization 2 × 2 × 2 × 5 × 41 × 347 × 683

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 97170410
Product of the distinct prime numbers

The prime factorization of 388681640 is 2 × 2 × 2 × 5 × 41 × 347 × 683. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388681640)

Multiplication

n×y
n×2 777363280
n×3 1166044920
n×4 1554726560
n×5 1943408200

Division

n÷y
n÷2 194340820
n÷3 129560546.66667
n÷3 97170410
n÷5 77736328

Exponentiation

ny
n2 151073417273089600
n3 5.8719463586109E+25
n4 2.2823177406569E+34
n5 8.8709500243962E+42

Nth Root

y√n
2√n 19715.010524978
3√n 729.79016925368
4√n 140.41015107526
5√n 52.229853214005

Divisors of 388681640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388681639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388681640 can be divided by 64 positive divisors. The sum of these divisors (counting 388681640) is 1, the average is 0.015625.

Base conversion 388681640

Base System Value
2 Binary 10111001010101100111110101000
3 Ternary 1000002101001222022
4 Quaternary 113022230332220
5 Quinary 1244000303030
6 Senary 102322444012
8 Octal 2712547650
10 Decimal 388681640
12 Duodecimal aa203608
16 Hexadecimal 172acfa8
20 Vigesimal 6195420
36 Base36 6feso8

Cryptographic Hash Functions

md5 b362c8b0e8bef4aea2f75293aed5ac08
sha1 935ad80f435756cc77edae114539e729a1adf708
sha256 829e99e7d10adbb7b5655d286b4d40d8f45b126d71f684c8cd01d6605f11e289
sha512 a6d6191aa3d6e630ea67c712900406fa5fb4f9080d336e690e3e7566974139b9e4ed8613c0c3a03e49c9a357ab30ec240bd99c197c58317edd22d35aa8c29398
ripemd-160 a4f92fa3458a82920b75ac6aa174805e06f04c3b

388681640 as geometric shapes

Circle

Radius = n
Diameter 777363280
Circumference 2442158769.6185
Area 4.7461113785784E+17

Sphere

Radius = n
Volume 2.459635138998E+26
Surface area 1.8984445514314E+18
Circumference 2442158769.6185

Square

Length = n
Perimeter 1554726560
Area 151073417273089600
Diagonal 549678846.73342

Cube

Length = n
Surface area 906440503638537600
Volume 5.8719463586109E+25
Space diagonal 673216348.4492

Equilateral Triangle

Length = n
Perimeter 1166044920
Area 6.5416708597511E+16
Altitude 336608174.2246

Triangular Pyramid

Length = n
Surface area 6.5416708597511E+16
Volume 6.920155148229E+24
Height 183226282.24447