1290978940 (number)

1290978940 is an even 10-digits composite number following 1290978939 and preceding 1290978941. In scientific notation, it is written as 1.290978940 × 10^9. The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors. There are 489212928 positive integers (up to 1290978940) that are relatively prime to 1290978940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.290978940 × 10^9
Engineering notation 1.290978940 × 10^9

Prime Factorization of 1290978940

Prime Factorization 2 × 2 × 5 × 19 × 3397313

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 645489470
Product of the distinct prime numbers

The prime factorization of 1290978940 is 2 × 2 × 5 × 19 × 3397313. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 59, 52, 297, 403, 4205, 2176, 77817, 48185, 817934, 883089, 9985019, 5403404, 36163169, 9345645, 159211138, 435026519, 9414682682, 5111629481

Basic calculations (n = 1290978940)

Multiplication

n×y
n×2 2581957880
n×3 3872936820
n×4 5163915760
n×5 6454894700

Division

n÷y
n÷2 645489470
n÷3 430326313.33333
n÷3 322744735
n÷5 258195788

Exponentiation

ny
n2 1666626623523523600
n3 2.1515798718122E+27
n4 2.7776443022374E+36
n5 3.5858802969995E+45

Nth Root

y√n
2√n 35930.195379374
3√n 1088.8625285781
4√n 189.55261902536
5√n 66.402408415902

Divisors of 1290978940

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3397313, 6794626, 13589252, 16986565, 33973130, 64548947, 67946260, 129097894, 258195788, 322744735, 645489470, 1290978940

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 -1290978939
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 1290978940 can be divided by 24 positive divisors. The sum of these divisors (counting 1290978940) is 1, the average is 0.041666666666667.

Base conversion 1290978940

Base System Value
2 Binary 1001100111100101100011001111100
3 Ternary 10022222012112011211
4 Quaternary 1030330230121330
5 Quinary 10120442311230
6 Senary 332034054204
8 Octal 11474543174
10 Decimal 1290978940
12 Duodecimal 30041a364
16 Hexadecimal 4cf2c67c
20 Vigesimal 1038c770
36 Base36 lcm5q4

Cryptographic Hash Functions

md5 dd7544fe78fd02641399ebd99a790559
sha1 ae0ff55704ceed2f7cca084830058881a0c2c62d
sha256 cb00fd2bdc8ff7e05331555e2641b0ee349903b03bb7f384b39e7b021cba8e8d
sha512 441cd70fed6c1e9c0b797426769f07e7d02ebf0561d8a19ad274d1d705df355749980d670b064ea159b7d626416b388e5b6a125e864bb7c46cb58b845211026d
ripemd-160 6ee2c1f5337f6dda3f9c0f4d2b9a770bf21042db

1290978940 as geometric shapes

Circle

Radius = n
Diameter 2581957880
Circumference 8111459907.6863
Area 5.2358619567387E+18

Sphere

Radius = n
Volume 9.0125166918624E+27
Surface area 2.0943447826955E+19
Circumference 8111459907.6863

Square

Length = n
Perimeter 5163915760
Area 1666626623523523600
Diagonal 1825719925.686

Cube

Length = n
Surface area 9.9997597411411E+18
Volume 2.1515798718122E+27
Space diagonal 2236041115.5814

Equilateral Triangle

Length = n
Perimeter 3872936820
Area 7.2167049729743E+17
Altitude 1118020557.7907

Triangular Pyramid

Length = n
Surface area 7.2167049729743E+17
Volume 2.5356611960381E+26
Height 608573308.56201