388621868 (number)

388621868 is an even 9-digits composite number following 388621867 and preceding 388621869. In scientific notation, it is written as 3.88621868 × 10^8. The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors. There are 193685520 positive integers (up to 388621868) that are relatively prime to 388621868.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred twenty-one thousand eight hundred sixty-eight

Notation

Scientific notation 3.88621868 × 10^8
Engineering notation 3.88621868 × 10^6

Prime Factorization of 388621868

Prime Factorization 2 × 2 × 311 × 312397

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 194310934
Product of the distinct prime numbers

The prime factorization of 388621868 is 2 × 2 × 311 × 312397. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 76, 59, 408, 463, 5511, 1249, 28495, 70838, 830871, 566553, 4979567, 9971384, 52493328, 646263, 552811383, 37743419, 9861918012, 7744191491

Basic calculations (n = 388621868)

Multiplication

n×y
n×2 777243736
n×3 1165865604
n×4 1554487472
n×5 1943109340

Division

n÷y
n÷2 194310934
n÷3 129540622.66667
n÷3 97155467
n÷5 77724373.6

Exponentiation

ny
n2 151026956287809424
n3 5.8692377870923E+25
n4 2.280914152556E+34
n5 8.8641311871395E+42

Nth Root

y√n
2√n 19713.494565906
3√n 729.75275795547
4√n 140.40475264714
5√n 52.228246719374

Divisors of 388621868

1, 2, 4, 311, 622, 1244, 312397, 624794, 1249588, 97155467, 194310934, 388621868

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388621867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388621868 can be divided by 12 positive divisors. The sum of these divisors (counting 388621868) is 1, the average is 0.083333333333333.

Base conversion 388621868

Base System Value
2 Binary 10111001010011110011000101100
3 Ternary 1000002021000222112
4 Quaternary 113022132120230
5 Quinary 1243441344433
6 Senary 102321303152
8 Octal 2712363054
10 Decimal 388621868
12 Duodecimal aa194ab8
16 Hexadecimal 1729e62c
20 Vigesimal 618hed8
36 Base36 6fdijw

Cryptographic Hash Functions

md5 05ec1e0ad84ebdbec09b4866f6377e53
sha1 12d4feb0ddc2d6d51e89f61ca31e018fd77f6a61
sha256 93f93c35cbae27d88d64f1ed4a9858f040e059f671394d6230f04731ad667acf
sha512 9226d462fa21b3d44e364a5f184c97799e7e6f29df73b8f5fff5369b63ffcf6a5cf4dbf08073e98fb67c3956aee92f2da8b971158fa0163b3c65de7d6407e678
ripemd-160 5f0ea09900a7080e5f6358165675a4b5bb1a64eb

388621868 as geometric shapes

Circle

Radius = n
Diameter 777243736
Circumference 2441783211.0663
Area 4.7446517636781E+17

Sphere

Radius = n
Volume 2.4585005752134E+26
Surface area 1.8978607054712E+18
Circumference 2441783211.0663

Square

Length = n
Perimeter 1554487472
Area 151026956287809424
Diagonal 549594316.36037

Cube

Length = n
Surface area 906161737726856544
Volume 5.8692377870923E+25
Space diagonal 673112820.30833

Equilateral Triangle

Length = n
Perimeter 1165865604
Area 6.5396590400742E+16
Altitude 336556410.15416

Triangular Pyramid

Length = n
Surface area 6.5396590400742E+16
Volume 6.9169630660821E+24
Height 183198105.45346