388645940 (number)

388645940 is an even 9-digits composite number following 388645939 and preceding 388645941. In scientific notation, it is written as 3.88645940 × 10^8. The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors. There are 155015168 positive integers (up to 388645940) that are relatively prime to 388645940.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred forty-five thousand nine hundred forty

Notation

Scientific notation 3.88645940 × 10^8
Engineering notation 3.88645940 × 10^6

Prime Factorization of 388645940

Prime Factorization 2 × 2 × 5 × 353 × 55049

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 194322970
Product of the distinct prime numbers

The prime factorization of 388645940 is 2 × 2 × 5 × 353 × 55049. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 85, 91, 707, 816, 3719, 7533, 98745, 26052, 190095, 811612, 9697702, 6244946, 36950234, 90820486, 316981341, 15407235, 1889217178, 9572072453

Basic calculations (n = 388645940)

Multiplication

n×y
n×2 777291880
n×3 1165937820
n×4 1554583760
n×5 1943229700

Division

n÷y
n÷2 194322970
n÷3 129548646.66667
n÷3 97161485
n÷5 77729188

Exponentiation

ny
n2 151045666678483600
n3 5.8703285109186E+25
n4 2.2814793422348E+34
n5 8.8668768355341E+42

Nth Root

y√n
2√n 19714.105102692
3√n 729.76782508297
4√n 140.40692683302
5√n 52.228893727332

Divisors of 388645940

1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 55049, 110098, 220196, 275245, 550490, 1100980, 19432297, 38864594, 77729188, 97161485, 194322970, 388645940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388645939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388645940 can be divided by 24 positive divisors. The sum of these divisors (counting 388645940) is 1, the average is 0.041666666666667.

Base conversion 388645940

Base System Value
2 Binary 10111001010100100010000110100
3 Ternary 1000002022021000002
4 Quaternary 113022210100310
5 Quinary 1243443132230
6 Senary 102322010432
8 Octal 2712442064
10 Decimal 388645940
12 Duodecimal aa1a6a18
16 Hexadecimal 172a4434
20 Vigesimal 6190eh0
36 Base36 6fe14k

Cryptographic Hash Functions

md5 e73b75dbd3e4722f05c87ae19566c7df
sha1 cbd006baf7d27d76f96e5f9b6267c9cca390d402
sha256 000870fdc0df6dc4f5200fbc7a42ebe524b7ca13363c31e476698e34b0489c97
sha512 2f0a4ed39fa4ef9a6af4fcca84347e41664ca14ff88b4d3a090ecb577b1fc6e994bb3da852f99058b302272cbe42597dbde5651778747bf58703f7a8e65e2f56
ripemd-160 17ed05cd8d1d41ca7373314c237936ed38c88566

388645940 as geometric shapes

Circle

Radius = n
Diameter 777291880
Circumference 2441934459.903
Area 4.745239567937E+17

Sphere

Radius = n
Volume 2.4589574565414E+26
Surface area 1.8980958271748E+18
Circumference 2441934459.903

Square

Length = n
Perimeter 1554583760
Area 151045666678483600
Diagonal 549628359.30924

Cube

Length = n
Surface area 906274000070901600
Volume 5.8703285109186E+25
Space diagonal 673154514.23537

Equilateral Triangle

Length = n
Perimeter 1165937820
Area 6.5404692237562E+16
Altitude 336577257.11768

Triangular Pyramid

Length = n
Surface area 6.5404692237562E+16
Volume 6.9182484964388E+24
Height 183209453.10308