388889081 (number)

388889081 is an odd 9-digits composite number following 388889080 and preceding 388889082. In scientific notation, it is written as 3.88889081 × 10^8. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 328638240 positive integers (up to 388889081) that are relatively prime to 388889081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88889081 × 10^8
Engineering notation 3.88889081 × 10^6

Prime Factorization of 388889081

Prime Factorization 7 × 71 × 782473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388889081
Product of the distinct prime numbers

The prime factorization of 388889081 is 7 × 71 × 782473. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 15, 23, 16, 745, 2219, 8207, 7551, 38505, 139888, 202872, 4874235, 7322301, 65399090, 49426183, 268581242, 329981275, 8941354910, 3812753207

Basic calculations (n = 388889081)

Multiplication

n×y
n×2 777778162
n×3 1166667243
n×4 1555556324
n×5 1944445405

Division

n÷y
n÷2 194444540.5
n÷3 129629693.66667
n÷3 97222270.25
n÷5 77777816.2

Exponentiation

ny
n2 151234717321024561
n3 5.8813530234268E+25
n4 2.287193972317E+34
n5 8.8946476196311E+42

Nth Root

y√n
2√n 19720.27081457
3√n 729.91997684143
4√n 140.42888169665
5√n 52.235427081981

Divisors of 388889081

1, 7, 71, 497, 782473, 5477311, 55555583, 388889081

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 -388889080
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 388889081 can be divided by 8 positive divisors. The sum of these divisors (counting 388889081) is 1, the average is 0.125.

Base conversion 388889081

Base System Value
2 Binary 10111001011011111100111111001
3 Ternary 1000002202121112022
4 Quaternary 113023133213321
5 Quinary 1244023422311
6 Senary 102331124225
8 Octal 2713374771
10 Decimal 388889081
12 Duodecimal aa2a3675
16 Hexadecimal 172df9f9
20 Vigesimal 61ab2e1
36 Base36 6fj8qh

Cryptographic Hash Functions

md5 1d472e49b8629569f9562dcbdae6c810
sha1 82e50a148756f4e7eac228039140a848d4658922
sha256 1a701110ef4578abe3be5c8961ccfcc7fc47ceb3cb6d82b2ac7a445c8e3f4fd1
sha512 48f50b66cad982b5d22cdc3e0fd5715ef64fde0bfebbe8c6f662321d044b36c6f3035172db37cec75d078c7d96f0cfdae3b1dc3cfb53d0f2a85695f3f783fbc2
ripemd-160 ff905b366ce0cdbf3e0544b8b7558340461c7467

388889081 as geometric shapes

Circle

Radius = n
Diameter 777778162
Circumference 2443462159.8618
Area 4.7511787690346E+17

Sphere

Radius = n
Volume 2.4635753935421E+26
Surface area 1.9004715076138E+18
Circumference 2443462159.8618

Square

Length = n
Perimeter 1555556324
Area 151234717321024561
Diagonal 549972212.60901

Cube

Length = n
Surface area 907408303926147366
Volume 5.8813530234268E+25
Space diagonal 673575646.80077

Equilateral Triangle

Length = n
Perimeter 1166667243
Area 6.5486553567083E+16
Altitude 336787823.40038

Triangular Pyramid

Length = n
Surface area 6.5486553567083E+16
Volume 6.9312410090285E+24
Height 183324070.86967