1297742991 (number)

1297742991 is an odd 10-digits composite number following 1297742990 and preceding 1297742992. In scientific notation, it is written as 1.297742991 × 10^9. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 789474816 positive integers (up to 1297742991) that are relatively prime to 1297742991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.297742991 × 10^9
Engineering notation 1.297742991 × 10^9

Prime Factorization of 1297742991

Prime Factorization 3 × 799 × 109 × 4967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1297742991
Product of the distinct prime numbers

The prime factorization of 1297742991 is 3 × 799 × 109 × 4967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 76, 5, 475, 665, 9249, 5995, 32191, 10782, 196237, 331394, 6284583, 4219532, 8009107, 76035703, 157059009, 55293558, 3448998644, 337049085

Basic calculations (n = 1297742991)

Multiplication

n×y
n×2 2595485982
n×3 3893228973
n×4 5190971964
n×5 6488714955

Division

n÷y
n÷2 648871495.5
n÷3 432580997
n÷3 324435747.75
n÷5 259548598.2

Exponentiation

ny
n2 1684136870689626081
n3 2.1855768198221E+27
n4 2.8363169992162E+36
n5 3.680810505987E+45

Nth Root

y√n
2√n 36024.200074394
3√n 1090.7609060128
4√n 189.80042169182
5√n 66.471845784574

Divisors of 1297742991

1, 3, 109, 327, 799, 2397, 4967, 14901, 87091, 261273, 541403, 1624209, 3968633, 11905899, 432580997, 1297742991

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 -1297742990
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 1297742991 can be divided by 16 positive divisors. The sum of these divisors (counting 1297742991) is 1, the average is 0.0625.

Base conversion 1297742991

Base System Value
2 Binary 1001101010110011111110010001111
3 Ternary 10100102221011201020
4 Quaternary 1031112133302033
5 Quinary 10124210233431
6 Senary 332435045223
8 Octal 11526376217
10 Decimal 1297742991
12 Duodecimal 302740813
16 Hexadecimal 4d59fc8f
20 Vigesimal 105ahh9b
36 Base36 lgn4wf

Cryptographic Hash Functions

md5 8fe5d5f2bda223003f66fba29e0bf086
sha1 752243ee57345462105ccd0d303cba3e8538f216
sha256 37a277ec97678c47a14e8704d7426d46f529f0f256b715b9e13c110abb9b3feb
sha512 3902d5fd579d647ddfe738ff0e378c354ec2b8a4119d98cab09422b03b2a9f884c3093c58a43c343bb5e84085be007024e5bae2a46142a28f24a2b069c0eac6e
ripemd-160 e5c7e5adbd681ef4629e0ca354f5f3f22f263444

1297742991 as geometric shapes

Circle

Radius = n
Diameter 2595485982
Circumference 8153959693.5465
Area 5.2908720205982E+18

Sphere

Radius = n
Volume 9.1549227746792E+27
Surface area 2.1163488082393E+19
Circumference 8153959693.5465

Square

Length = n
Perimeter 5190971964
Area 1684136870689626081
Diagonal 1835285738.3468

Cube

Length = n
Surface area 1.0104821224138E+19
Volume 2.1855768198221E+27
Space diagonal 2247756795.5784

Equilateral Triangle

Length = n
Perimeter 3893228973
Area 7.2925265673362E+17
Altitude 1123878397.7892

Triangular Pyramid

Length = n
Surface area 7.2925265673362E+17
Volume 2.5757269835006E+26
Height 611761912.78228