1288897940 (number)

1288897940 is an even 10-digits composite number following 1288897939 and preceding 1288897941. In scientific notation, it is written as 1.288897940 × 10^9. The sum of its digits is 56. It has a total of 5 prime factors and 24 positive divisors. There are 468690080 positive integers (up to 1288897940) that are relatively prime to 1288897940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.288897940 × 10^9
Engineering notation 1.288897940 × 10^9

Prime Factorization of 1288897940

Prime Factorization 2 × 2 × 5 × 11 × 5858627

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 644448970
Product of the distinct prime numbers

The prime factorization of 1288897940 is 2 × 2 × 5 × 11 × 5858627. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1288897940)

Multiplication

n×y
n×2 2577795880
n×3 3866693820
n×4 5155591760
n×5 6444489700

Division

n÷y
n÷2 644448970
n÷3 429632646.66667
n÷3 322224485
n÷5 257779588

Exponentiation

ny
n2 1661257899736243600
n3 2.1411918847788E+27
n4 2.7597778094361E+36
n5 3.5570719334399E+45

Nth Root

y√n
2√n 35901.224770194
3√n 1088.2771481186
4√n 189.47618523232
5√n 66.380987060049

Divisors of 1288897940

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 -1288897939
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 1288897940 can be divided by 24 positive divisors. The sum of these divisors (counting 1288897940) is 1, the average is 0.041666666666667.

Base conversion 1288897940

Base System Value
2 Binary 1001100110100110000010110010100
3 Ternary 10022211021210120202
4 Quaternary 1030310300112110
5 Quinary 10114424213230
6 Senary 331521320032
8 Octal 11464602624
10 Decimal 1288897940
12 Duodecimal 2bb796018
16 Hexadecimal 4cd30594
20 Vigesimal 102fc4h0
36 Base36 lbdk0k

Cryptographic Hash Functions

md5 1c9721aab535f6d91345855e8dba30c9
sha1 bdf48aba901387f6b0d93ea5a3cb1dad26553b57
sha256 bc7676f18b0387e21a2e24e1d34e1274c9389e56e2a4e42be4565021ad40c448
sha512 2752504ed30d20d25169ee584c0df99100ab05acc0c074698a9ac7f64863132174e3105d9832d6414bdbb589bcc69e0f822764531b0365f6ab95db84532816c2
ripemd-160 1efb6fe60a90f338481dc58f41b1bc452e1e7a1d

1288897940 as geometric shapes

Circle

Radius = n
Diameter 2577795880
Circumference 8098384599.062
Area 5.2189956135294E+18

Sphere

Radius = n
Volume 8.9690035935294E+27
Surface area 2.0875982454118E+19
Circumference 8098384599.062

Square

Length = n
Perimeter 5155591760
Area 1661257899736243600
Diagonal 1822776947.2627

Cube

Length = n
Surface area 9.9675473984175E+18
Volume 2.1411918847788E+27
Space diagonal 2232436717.8509

Equilateral Triangle

Length = n
Perimeter 3866693820
Area 7.1934577170458E+17
Altitude 1116218358.9254

Triangular Pyramid

Length = n
Surface area 7.1934577170458E+17
Volume 2.5234188359145E+26
Height 607592315.75425