388889881 (number)

388889881 is an odd 9-digits prime number following 388889880 and preceding 388889882. In scientific notation, it is written as 3.88889881 × 10^8. The sum of its digits is 61. It has a total of 1 prime factors and 2 positive divisors. There are 388889880 positive integers (up to 388889881) that are relatively prime to 388889881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88889881 × 10^8
Engineering notation 3.88889881 × 10^6

Prime Factorization of 388889881

Prime Factorization 388889881

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 388889881
Product of the distinct prime numbers

The prime factorization of 388889881 is 388889881. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 4, 75, 46, 641, 16, 3930, 464, 47983, 28154, 717089, 442247, 4092825, 1685861, 5277855, 7919273, 3130831, 360660766, 4002484425, 4864401560

Basic calculations (n = 388889881)

Multiplication

n×y
n×2 777779762
n×3 1166669643
n×4 1555559524
n×5 1944449405

Division

n÷y
n÷2 194444940.5
n÷3 129629960.33333
n÷3 97222470.25
n÷5 77777976.2

Exponentiation

ny
n2 151235339544194161
n3 5.8813893198336E+25
n4 2.2872127927048E+34
n5 8.8947391077664E+42

Nth Root

y√n
2√n 19720.291098257
3√n 729.9204773574
4√n 140.42895391712
5√n 52.2354485731

Divisors of 388889881

1, 388889881

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 388889882
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 194444941
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 19720.291123612
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999948572
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388889881 can be divided by 2 positive divisors. The sum of these divisors (counting 388889881) is 388889882, the average is 194444941.

Base conversion 388889881

Base System Value
2 Binary 10111001011011111110100011001
3 Ternary 1000002202122121221
4 Quaternary 113023133310121
5 Quinary 1244023434011
6 Senary 102331132041
8 Octal 2713376431
10 Decimal 388889881
12 Duodecimal aa2a4021
16 Hexadecimal 172dfd19
20 Vigesimal 61ab4e1
36 Base36 6fj9cp

Cryptographic Hash Functions

md5 bdeef258c2ab425449dc02fc3a048b00
sha1 998cc534c93b6309d395e8412755415286ede746
sha256 9c2f8308dad5776dcb76d2996398c3e9fe8dec7eec1f7970e98774bfdb4317b1
sha512 675df26c1f854b1cbdf31e75dbe4906a6e1bec1cd32e6367a1e4cdc6cc41a418337991232e86339598a495fb944deda6c23b094a636d67a7d72c1bcc4cd5af20
ripemd-160 0cdca49b779f18318e8f65fe730407cd3c123d39

388889881 as geometric shapes

Circle

Radius = n
Diameter 777779762
Circumference 2443467186.41
Area 4.751198316752E+17

Sphere

Radius = n
Volume 2.4635905973454E+26
Surface area 1.9004793267008E+18
Circumference 2443467186.41

Square

Length = n
Perimeter 1555559524
Area 151235339544194161
Diagonal 549973343.97986

Cube

Length = n
Surface area 907412037265164966
Volume 5.8813893198336E+25
Space diagonal 673577032.44141

Equilateral Triangle

Length = n
Perimeter 1166669643
Area 6.5486822997619E+16
Altitude 336788516.22071

Triangular Pyramid

Length = n
Surface area 6.5486822997619E+16
Volume 6.9312837847542E+24
Height 183324447.99329