388680978 (number)

388680978 is an even 9-digits composite number following 388680977 and preceding 388680979. In scientific notation, it is written as 3.88680978 × 10^8. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 109802880 positive integers (up to 388680978) that are relatively prime to 388680978.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred eighty thousand nine hundred seventy-eight

Notation

Scientific notation 3.88680978 × 10^8
Engineering notation 3.88680978 × 10^6

Prime Factorization of 388680978

Prime Factorization 2 × 21 × 89 × 103981

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 388680978
Product of the distinct prime numbers

The prime factorization of 388680978 is 2 × 21 × 89 × 103981. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 20, 58, 358, 692, 9811, 6383, 10931, 77712, 291379, 615369, 1642911, 5115464, 57039207, 67088312, 554121772, 947873292, 8777579522, 1179525102

Basic calculations (n = 388680978)

Multiplication

n×y
n×2 777361956
n×3 1166042934
n×4 1554723912
n×5 1943404890

Division

n÷y
n÷2 194340489
n÷3 129560326
n÷3 97170244.5
n÷5 77736195.6

Exponentiation

ny
n2 151072902659036484
n3 5.8719163554813E+25
n4 2.2823021917827E+34
n5 8.8708744799363E+42

Nth Root

y√n
2√n 19714.993735733
3√n 729.78975492885
4√n 140.41009128881
5√n 52.229835422485

Divisors of 388680978

1, 2, 21, 42, 89, 178, 1869, 3738, 103981, 207962, 2183601, 4367202, 9254309, 18508618, 194340489, 388680978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388680977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388680978 can be divided by 16 positive divisors. The sum of these divisors (counting 388680978) is 1, the average is 0.0625.

Base conversion 388680978

Base System Value
2 Binary 10111001010101100110100010010
3 Ternary 1000002101001001210
4 Quaternary 113022230310102
5 Quinary 1244000242403
6 Senary 102322440550
8 Octal 2712546422
10 Decimal 388680978
12 Duodecimal aa203156
16 Hexadecimal 172acd12
20 Vigesimal 619528i
36 Base36 6fes5u

Cryptographic Hash Functions

md5 1f3eba94e7433bb7743b9b4fdf7c3e02
sha1 de9a0ee25bf13b313513ec3eae50e893de8b077a
sha256 640265c4959f042ddcef2b87f3829245465093c934a758501e3d9b9c55866178
sha512 0558fa960700cf0a24d7380cd36bc78e86ca8155a027077d1ccc1b0b548fba56cbef5802e5649a8f03449fe62f6c4ddb98c96a9b1934b51f2d4cc3f56dfa07ef
ripemd-160 58c9ac0dffc41ae7ed3ddb84cf467a4da707b0cb

388680978 as geometric shapes

Circle

Radius = n
Diameter 777361956
Circumference 2442154610.1498
Area 4.7460952115011E+17

Sphere

Radius = n
Volume 2.4596225713165E+26
Surface area 1.8984380846005E+18
Circumference 2442154610.1498

Square

Length = n
Perimeter 1554723912
Area 151072902659036484
Diagonal 549677910.52404

Cube

Length = n
Surface area 906437415954218904
Volume 5.8719163554813E+25
Space diagonal 673215201.83156

Equilateral Triangle

Length = n
Perimeter 1166042934
Area 6.541648576309E+16
Altitude 336607600.91578

Triangular Pyramid

Length = n
Surface area 6.541648576309E+16
Volume 6.9201197892017E+24
Height 183225970.17468