388889885 (number)

388889885 is an odd 9-digits composite number following 388889884 and preceding 388889886. In scientific notation, it is written as 3.88889885 × 10^8. The sum of its digits is 65. It has a total of 3 prime factors and 8 positive divisors. There are 295389120 positive integers (up to 388889885) that are relatively prime to 388889885.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88889885 × 10^8
Engineering notation 3.88889885 × 10^6

Prime Factorization of 388889885

Prime Factorization 265 × 31 × 47339

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388889885
Product of the distinct prime numbers

The prime factorization of 388889885 is 265 × 31 × 47339. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 5, 48, 81, 941, 416, 3346, 4490, 88409, 62842, 678329, 688161, 3107023, 6484511, 65881674, 50770467, 876296787, 350422681, 5968240131, 5731308063

Basic calculations (n = 388889885)

Multiplication

n×y
n×2 777779770
n×3 1166669655
n×4 1555559540
n×5 1944449425

Division

n÷y
n÷2 194444942.5
n÷3 129629961.66667
n÷3 97222471.25
n÷5 77777977

Exponentiation

ny
n2 151235342655313225
n3 5.881389501316E+25
n4 2.287212886807E+34
n5 8.8947395652089E+42

Nth Root

y√n
2√n 19720.291199676
3√n 729.92047985997
4√n 140.42895427822
5√n 52.235448680555

Divisors of 388889885

1, 31, 265, 8215, 47339, 1467509, 12544835, 388889885

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 -388889884
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 388889885 can be divided by 8 positive divisors. The sum of these divisors (counting 388889885) is 1, the average is 0.125.

Base conversion 388889885

Base System Value
2 Binary 10111001011011111110100011101
3 Ternary 1000002202122122002
4 Quaternary 113023133310131
5 Quinary 1244023434020
6 Senary 102331132045
8 Octal 2713376435
10 Decimal 388889885
12 Duodecimal aa2a4025
16 Hexadecimal 172dfd1d
20 Vigesimal 61ab4e5
36 Base36 6fj9ct

Cryptographic Hash Functions

md5 0a093271b139fdc6bdfbcdb1ee8c54fc
sha1 4f2f8bbb60e89c24b0090735bdb618e64cedb140
sha256 506aa393bacaac2025ee7a4299e10075f506aceb1c24ab4701fee9245e14837d
sha512 ac9062512c71b7ad7eb3ee66686aba7f89c0af8a9a25c2e400eedbd58ef6024edde000a9e53c836a91efab26b4a69eec4f7a0b7fe4e559aebf21f5b5ce5e923c
ripemd-160 8fbc8103ce445529a2f5ec91653b23b6a02944cd

388889885 as geometric shapes

Circle

Radius = n
Diameter 777779770
Circumference 2443467211.5428
Area 4.7511984144907E+17

Sphere

Radius = n
Volume 2.4635906733646E+26
Surface area 1.9004793657963E+18
Circumference 2443467211.5428

Square

Length = n
Perimeter 1555559540
Area 151235342655313225
Diagonal 549973349.63671

Cube

Length = n
Surface area 907412055931879350
Volume 5.881389501316E+25
Space diagonal 673577039.36962

Equilateral Triangle

Length = n
Perimeter 1166669655
Area 6.5486824344773E+16
Altitude 336788519.68481

Triangular Pyramid

Length = n
Surface area 6.5486824344773E+16
Volume 6.9312839986332E+24
Height 183324449.8789