1388266988 (number)

1388266988 is an even 10-digits composite number following 1388266987 and preceding 1388266989. In scientific notation, it is written as 1.388266988 × 10^9. The sum of its digits is 59. It has a total of 5 prime factors and 24 positive divisors. There are 644313600 positive integers (up to 1388266988) that are relatively prime to 1388266988.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million two hundred sixty-six thousand nine hundred eighty-eight

Notation

Scientific notation 1.388266988 × 10^9
Engineering notation 1.388266988 × 10^9

Prime Factorization of 1388266988

Prime Factorization 2 × 2 × 1241 × 17 × 16451

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 694133494
Product of the distinct prime numbers

The prime factorization of 1388266988 is 2 × 2 × 1241 × 17 × 16451. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 3, 3, 99, 675, 427, 1809, 6518, 95890, 74871, 363310, 785786, 8379611, 4377228, 75456274, 77163015, 880352810, 679108682, 7703156240, 1243907326

Basic calculations (n = 1388266988)

Multiplication

n×y
n×2 2776533976
n×3 4164800964
n×4 5553067952
n×5 6941334940

Division

n÷y
n÷2 694133494
n÷3 462755662.66667
n÷3 347066747
n÷5 277653397.6

Exponentiation

ny
n2 1927285229970592144
n3 2.6755864612282E+27
n4 3.7144283576628E+36
n5 5.1566182682343E+45

Nth Root

y√n
2√n 37259.455014801
3√n 1115.55503023
4√n 193.02708363025
5√n 67.374351705431

Divisors of 1388266988

1, 2, 4, 17, 34, 68, 1241, 2482, 4964, 16451, 21097, 32902, 42194, 65804, 84388, 279667, 559334, 1118668, 20415691, 40831382, 81662764, 347066747, 694133494, 1388266988

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 -1388266987
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 1388266988 can be divided by 24 positive divisors. The sum of these divisors (counting 1388266988) is 1, the average is 0.041666666666667.

Base conversion 1388266988

Base System Value
2 Binary 1010010101111110100010111101100
3 Ternary 10120202021021021212
4 Quaternary 1102233310113230
5 Quinary 10320344020423
6 Senary 345431213552
8 Octal 12257642754
10 Decimal 1388266988
12 Duodecimal 328b172b8
16 Hexadecimal 52bf45ec
20 Vigesimal 11dgd798
36 Base36 myjdnw

Cryptographic Hash Functions

md5 5014cdd2f6a054e6623e4aba7d307040
sha1 962de6e58dad9582626a06045b2146fdfa2fbef7
sha256 ce1ba7c0456f1f130d443344e3c3f6d2308eec6247bdea2684d7298914dae84c
sha512 7e3a87070e50a3d58ebd90c292f2c7176ae1976a57738a1ec9cc4a9173cd573e343931770def5cec1d3b3dbafc059c1d4beb2c8edb79bfd4ef6568a76ecfa7c3
ripemd-160 4ca181c9951eaa2a64f8a82a90146b6408c477b4

1388266988 as geometric shapes

Circle

Radius = n
Diameter 2776533976
Circumference 8722738741.4441
Area 6.0547451198477E+18

Sphere

Radius = n
Volume 1.1207470360852E+28
Surface area 2.4218980479391E+19
Circumference 8722738741.4441

Square

Length = n
Perimeter 5553067952
Area 1927285229970592144
Diagonal 1963306002.6244

Cube

Length = n
Surface area 1.1563711379824E+19
Volume 2.6755864612282E+27
Space diagonal 2404548957.6866

Equilateral Triangle

Length = n
Perimeter 4164800964
Area 8.3453898474653E+17
Altitude 1202274478.8433

Triangular Pyramid

Length = n
Surface area 8.3453898474653E+17
Volume 3.1532088839756E+26
Height 654435334.20815