388640894 (number)

388640894 is an even 9-digits composite number following 388640893 and preceding 388640895. In scientific notation, it is written as 3.88640894 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 194320446 positive integers (up to 388640894) that are relatively prime to 388640894.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred forty thousand eight hundred ninety-four

Notation

Scientific notation 3.88640894 × 10^8
Engineering notation 3.88640894 × 10^6

Prime Factorization of 388640894

Prime Factorization 2 × 194320447

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388640894
Product of the distinct prime numbers

The prime factorization of 388640894 is 2 × 194320447. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 35, 17, 129, 99, 7685, 299, 20947, 19690, 8020, 222072, 3378527, 9138259, 36438689, 25331751, 957213878, 627020439, 9041888909, 7135456737

Basic calculations (n = 388640894)

Multiplication

n×y
n×2 777281788
n×3 1165922682
n×4 1554563576
n×5 1943204470

Division

n÷y
n÷2 194320447
n÷3 129546964.66667
n÷3 97160223.5
n÷5 77728178.8

Exponentiation

ny
n2 151041744489119236
n3 5.8700998609571E+25
n4 2.2813608578316E+34
n5 8.8663012332429E+42

Nth Root

y√n
2√n 19713.977122844
3√n 729.76466674612
4√n 140.40647108607
5√n 52.228758103444

Divisors of 388640894

1, 2, 194320447, 388640894

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 -388640893
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 388640894 can be divided by 4 positive divisors. The sum of these divisors (counting 388640894) is 1, the average is 0.25.

Base conversion 388640894

Base System Value
2 Binary 10111001010100011000001111110
3 Ternary 1000002022000002012
4 Quaternary 113022203001332
5 Quinary 1243443002034
6 Senary 102321531222
8 Octal 2712430176
10 Decimal 388640894
12 Duodecimal aa1a3b12
16 Hexadecimal 172a307e
20 Vigesimal 619024e
36 Base36 6fdx8e

Cryptographic Hash Functions

md5 0c0d4445e0988c81b644ac8e9800d2f6
sha1 fef76010e9c18310ca9e9e42fdacc6b8502b6aae
sha256 c9eeb3c3ec7605cdcc7b037f1cb261cd882b7b445c24b86a7a8060ee91de7800
sha512 741abd811fb2d1efa5ec1e6fda835055423656db0283b2526e9434a72a9f4889a6c9c7c9ca91151c68339d74816dd66e1b5d9e372ed9415ae4baec732d4fe9e0
ripemd-160 f8b39c724cc6975ea470dc81dfc4e320e33d90de

388640894 as geometric shapes

Circle

Radius = n
Diameter 777281788
Circumference 2441902754.9499
Area 4.745116348724E+17

Sphere

Radius = n
Volume 2.4588616798695E+26
Surface area 1.8980465394896E+18
Circumference 2441902754.9499

Square

Length = n
Perimeter 1554563576
Area 151041744489119236
Diagonal 549621223.1876

Cube

Length = n
Surface area 906250466934715416
Volume 5.8700998609571E+25
Space diagonal 673145774.30699

Equilateral Triangle

Length = n
Perimeter 1165922682
Area 6.5402993879748E+16
Altitude 336572887.1535

Triangular Pyramid

Length = n
Surface area 6.5402993879748E+16
Volume 6.9179790298749E+24
Height 183207074.39587