1288690988 (number)

1288690988 is an even 10-digits composite number following 1288690987 and preceding 1288690989. In scientific notation, it is written as 1.288690988 × 10^9. The sum of its digits is 59. It has a total of 5 prime factors and 24 positive divisors. There are 594464256 positive integers (up to 1288690988) that are relatively prime to 1288690988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.288690988 × 10^9
Engineering notation 1.288690988 × 10^9

Prime Factorization of 1288690988

Prime Factorization 2 × 2 × 13 × 10903 × 2273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 644345494
Product of the distinct prime numbers

The prime factorization of 1288690988 is 2 × 2 × 13 × 10903 × 2273. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1288690988)

Multiplication

n×y
n×2 2577381976
n×3 3866072964
n×4 5154763952
n×5 6443454940

Division

n÷y
n÷2 644345494
n÷3 429563662.66667
n÷3 322172747
n÷5 257738197.6

Exponentiation

ny
n2 1660724462552416144
n3 2.1401606484424E+27
n4 2.75800574052E+36
n5 3.5542171426604E+45

Nth Root

y√n
2√n 35898.342412986
3√n 1088.2188985653
4√n 189.46857895964
5√n 66.378855229435

Divisors of 1288690988

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 -1288690987
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 1288690988 can be divided by 24 positive divisors. The sum of these divisors (counting 1288690988) is 1, the average is 0.041666666666667.

Base conversion 1288690988

Base System Value
2 Binary 1001100110011111101110100101100
3 Ternary 10022210220021200212
4 Quaternary 1030303331310230
5 Quinary 10114401102423
6 Senary 331513041552
8 Octal 11463756454
10 Decimal 1288690988
12 Duodecimal 2bb6b62b8
16 Hexadecimal 4ccfdd2c
20 Vigesimal 102e6798
36 Base36 lb94bw

Cryptographic Hash Functions

md5 813dbff6edc0fecdd44a002cc3baaa8a
sha1 ea83cb1b3435cf203b4b51f5d702d8d5ea1d4e6c
sha256 bce94e48125b6da33e027a22bcf84073c4b10a66684ea058dd1db028f8c0e27e
sha512 d10172683e9b1a7f96f137bb4abe39ccaabf70d7d14a74d6ac562dc9a498762c3bb5d8000a5c92a5aec4150fefb430416ed9578467308ac51ed4f200aaaca241
ripemd-160 c10750de576aef8fd5d2b7555fca40c12179b001

1288690988 as geometric shapes

Circle

Radius = n
Diameter 2577381976
Circumference 8097084281.2963
Area 5.2173197711915E+18

Sphere

Radius = n
Volume 8.964683960865E+27
Surface area 2.0869279084766E+19
Circumference 8097084281.2963

Square

Length = n
Perimeter 5154763952
Area 1660724462552416144
Diagonal 1822484272.9376

Cube

Length = n
Surface area 9.9643467753145E+18
Volume 2.1401606484424E+27
Space diagonal 2232078266.4721

Equilateral Triangle

Length = n
Perimeter 3866072964
Area 7.1911478662833E+17
Altitude 1116039133.2361

Triangular Pyramid

Length = n
Surface area 7.1911478662833E+17
Volume 2.5222035122371E+26
Height 607494757.64586