1288396828 (number)

1288396828 is an even 10-digits composite number following 1288396827 and preceding 1288396829. In scientific notation, it is written as 1.288396828 × 10^9. The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors. There are 623417760 positive integers (up to 1288396828) that are relatively prime to 1288396828.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.288396828 × 10^9
Engineering notation 1.288396828 × 10^9

Prime Factorization of 1288396828

Prime Factorization 2 × 2 × 31 × 10390297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 644198414
Product of the distinct prime numbers

The prime factorization of 1288396828 is 2 × 2 × 31 × 10390297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 74, 45, 644, 935, 7220, 9640, 35402, 97030, 623423, 365899, 5131427, 9400555, 32719095, 98744172, 853878261, 137104659, 9651923446, 8290168425

Basic calculations (n = 1288396828)

Multiplication

n×y
n×2 2576793656
n×3 3865190484
n×4 5153587312
n×5 6441984140

Division

n÷y
n÷2 644198414
n÷3 429465609.33333
n÷3 322099207
n÷5 257679365.6

Exponentiation

ny
n2 1659966386400461584
n3 2.138695426825E+27
n4 2.7554884039794E+36
n5 3.5501625192778E+45

Nth Root

y√n
2√n 35894.245054047
3√n 1088.1360923602
4√n 189.45776588477
5√n 66.375824590236

Divisors of 1288396828

1, 2, 4, 31, 62, 124, 10390297, 20780594, 41561188, 322099207, 644198414, 1288396828

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1288396827
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1288396828 can be divided by 12 positive divisors. The sum of these divisors (counting 1288396828) is 1, the average is 0.083333333333333.

Base conversion 1288396828

Base System Value
2 Binary 1001100110010110110000000011100
3 Ternary 10022210100100012001
4 Quaternary 1030302312000130
5 Quinary 10114312144303
6 Senary 331502452044
8 Octal 11462660034
10 Decimal 1288396828
12 Duodecimal 2bb594024
16 Hexadecimal 4ccb601c
20 Vigesimal 102c9c18
36 Base36 lb2tcs

Cryptographic Hash Functions

md5 c7a1816a1f14cbe8af7fa2c870853d86
sha1 658ccbe3c881656c58b0e643c19ed6837596dc67
sha256 ebc15e68639474ab2f9e1e0a9aa9c5d652da0e5fdfc558eb579eb520c8f3811d
sha512 260ba082b9cdc52eea65239801d90982d737fc1921270d7760ea336adef3a2f046b4dff3f147ab84d07a6f850357e3f94fcc25f082f04054402b57ffe7d394fd
ripemd-160 45ae80763850f4192a1c6450aec32b603a36e12a

1288396828 as geometric shapes

Circle

Radius = n
Diameter 2576793656
Circumference 8095236019.5064
Area 5.2149382047217E+18

Sphere

Radius = n
Volume 8.9585464549059E+27
Surface area 2.0859752818887E+19
Circumference 8095236019.5064

Square

Length = n
Perimeter 5153587312
Area 1659966386400461584
Diagonal 1822068267.8761

Cube

Length = n
Surface area 9.9597983184028E+18
Volume 2.138695426825E+27
Space diagonal 2231568766.4066

Equilateral Triangle

Length = n
Perimeter 3865190484
Area 7.1878653002553E+17
Altitude 1115784383.2033

Triangular Pyramid

Length = n
Surface area 7.1878653002553E+17
Volume 2.520476732001E+26
Height 607356089.29203