1288391642 (number)

1288391642 is an even 10-digits composite number following 1288391641 and preceding 1288391643. In scientific notation, it is written as 1.288391642 × 10^9. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 612697008 positive integers (up to 1288391642) that are relatively prime to 1288391642.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.288391642 × 10^9
Engineering notation 1.288391642 × 10^9

Prime Factorization of 1288391642

Prime Factorization 2 × 29 × 67 × 331547

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1288391642
Product of the distinct prime numbers

The prime factorization of 1288391642 is 2 × 29 × 67 × 331547. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 30, 2, 519, 409, 4786, 1872, 56052, 97106, 78771, 645053, 7383551, 246910, 11424821, 2186406, 743483919, 339218923, 6601960040, 4464199462

Basic calculations (n = 1288391642)

Multiplication

n×y
n×2 2576783284
n×3 3865174926
n×4 5153566568
n×5 6441958210

Division

n÷y
n÷2 644195821
n÷3 429463880.66667
n÷3 322097910.5
n÷5 257678328.4

Exponentiation

ny
n2 1659953023175456164
n3 2.1386696011719E+27
n4 2.7554440391493E+36
n5 3.5500910700387E+45

Nth Root

y√n
2√n 35894.172813982
3√n 1088.1346323852
4√n 189.45757523515
5√n 66.375771155521

Divisors of 1288391642

1, 2, 29, 58, 67, 134, 1943, 3886, 331547, 663094, 9614863, 19229726, 22213649, 44427298, 644195821, 1288391642

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 -1288391641
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 1288391642 can be divided by 16 positive divisors. The sum of these divisors (counting 1288391642) is 1, the average is 0.0625.

Base conversion 1288391642

Base System Value
2 Binary 1001100110010110100101111011010
3 Ternary 10022210100002001222
4 Quaternary 1030302310233122
5 Quinary 10114312013032
6 Senary 331502412042
8 Octal 11462645732
10 Decimal 1288391642
12 Duodecimal 2bb591022
16 Hexadecimal 4ccb4bda
20 Vigesimal 102c8j22
36 Base36 lb2pcq

Cryptographic Hash Functions

md5 e0a8d15b3ec0fec943f09467db5c7149
sha1 f7217c8ec509839c31f353819e5b25356f7b378b
sha256 b2e05b29d8c3749e4aee5cd65fcbbb4c86dc15e37ca25159fcb63fa7d80fc2ce
sha512 a7139e50bb93a867f3ef1518cd2512a0f178b2386bdc2c069c6d7f7f96b730326ebb3095109ca3314794af6587226afb7427a3d30b7ce6c02ad872e7f10a6180
ripemd-160 3565fdd686d053bae92800a052af910c83b75e23

1288391642 as geometric shapes

Circle

Radius = n
Diameter 2576783284
Circumference 8095203434.9074
Area 5.2148962229122E+18

Sphere

Radius = n
Volume 8.9584382766632E+27
Surface area 2.0859584891649E+19
Circumference 8095203434.9074

Square

Length = n
Perimeter 5153566568
Area 1659953023175456164
Diagonal 1822060933.7645

Cube

Length = n
Surface area 9.9597181390527E+18
Volume 2.1386696011719E+27
Space diagonal 2231559783.9911

Equilateral Triangle

Length = n
Perimeter 3865174926
Area 7.1878074357936E+17
Altitude 1115779891.9955

Triangular Pyramid

Length = n
Surface area 7.1878074357936E+17
Volume 2.520446296177E+26
Height 607353644.58818