1297686945 (number)

1297686945 is an odd 10-digits composite number following 1297686944 and preceding 1297686946. In scientific notation, it is written as 1.297686945 × 10^9. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 692099696 positive integers (up to 1297686945) that are relatively prime to 1297686945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.297686945 × 10^9
Engineering notation 1.297686945 × 10^9

Prime Factorization of 1297686945

Prime Factorization 15 × 86512463

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1297686945
Product of the distinct prime numbers

The prime factorization of 1297686945 is 15 × 86512463. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 6, 65, 685, 281, 6653, 2407, 26897, 14284, 562010, 241013, 550461, 9841645, 7822752, 5778587, 669752628, 779318950, 9562453169, 3866615264

Basic calculations (n = 1297686945)

Multiplication

n×y
n×2 2595373890
n×3 3893060835
n×4 5190747780
n×5 6488434725

Division

n÷y
n÷2 648843472.5
n÷3 432562315
n÷3 324421736.25
n÷5 259537389

Exponentiation

ny
n2 1683991407223433025
n3 2.185293664646E+27
n4 2.8358270596024E+36
n5 3.6800157535237E+45

Nth Root

y√n
2√n 36023.422172248
3√n 1090.7452034517
4√n 189.79837241728
5√n 66.471271626909

Divisors of 1297686945

1, 15, 86512463, 1297686945

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1297686944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1297686945 can be divided by 4 positive divisors. The sum of these divisors (counting 1297686945) is 1, the average is 0.25.

Base conversion 1297686945

Base System Value
2 Binary 1001101010110010010000110100001
3 Ternary 10100102211022211110
4 Quaternary 1031112102012201
5 Quinary 10124201440240
6 Senary 332433533533
8 Octal 11526220641
10 Decimal 1297686945
12 Duodecimal 3027142a9
16 Hexadecimal 4d5921a1
20 Vigesimal 105aah75
36 Base36 lglxnl

Cryptographic Hash Functions

md5 adfbf4461c8ad60c42b94e067524e2c8
sha1 bc0c6e8dedc5c1cfbdf1defd3b7561472eece2e9
sha256 5911d959db03b2fca82954d5de232916393b233cb59c603537c1f2e328472b85
sha512 902a27d3df19ad6aa9b9df4c46b8c9057a74aa4b76a9d1d17ee20d72404fc3cf937dbeeaed9bddf3c245acded3444977cbe4e54824abe22ddc839504dcdbeaa0
ripemd-160 35afb00f740dac0aec73ea4bdfb0af03b44a6894

1297686945 as geometric shapes

Circle

Radius = n
Diameter 2595373890
Circumference 8153607546.1428
Area 5.2904150336415E+18

Sphere

Radius = n
Volume 9.153736697051E+27
Surface area 2.1161660134566E+19
Circumference 8153607546.1428

Square

Length = n
Perimeter 5190747780
Area 1683991407223433025
Diagonal 1835206477.3335

Cube

Length = n
Surface area 1.0103948443341E+19
Volume 2.185293664646E+27
Space diagonal 2247659721.0588

Equilateral Triangle

Length = n
Perimeter 3893060835
Area 7.291896692051E+17
Altitude 1123829860.5294

Triangular Pyramid

Length = n
Surface area 7.291896692051E+17
Volume 2.5753932819253E+26
Height 611735492.4445