1297661661 (number)

1297661661 is an odd 10-digits composite number following 1297661660 and preceding 1297661662. In scientific notation, it is written as 1.297661661 × 10^9. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 863322624 positive integers (up to 1297661661) that are relatively prime to 1297661661.

Interesting facts

Basic properties

Name

Name one billion two hundred ninety-seven million six hundred sixty-one thousand six hundred sixty-one

Notation

Scientific notation 1.297661661 × 10^9
Engineering notation 1.297661661 × 10^9

Prime Factorization of 1297661661

Prime Factorization 27 × 487 × 98689

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1297661661
Product of the distinct prime numbers

The prime factorization of 1297661661 is 27 × 487 × 98689. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1297661661)

Multiplication

n×y
n×2 2595323322
n×3 3892984983
n×4 5190646644
n×5 6488308305

Division

n÷y
n÷2 648830830.5
n÷3 432553887
n÷3 324415415.25
n÷5 259532332.2

Exponentiation

ny
n2 1683925786429278921
n3 2.1851659330185E+27
n4 2.8356060542015E+36
n5 3.6796572622367E+45

Nth Root

y√n
2√n 36023.071232198
3√n 1090.7381194163
4√n 189.79744790749
5√n 66.471012600995

Divisors of 1297661661

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1297661660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1297661661 can be divided by 8 positive divisors. The sum of these divisors (counting 1297661661) is 1, the average is 0.125.

Base conversion 1297661661

Base System Value
2 Binary 1001101010110001011111011011101
3 Ternary 10100102210001011000
4 Quaternary 1031112023323131
5 Quinary 10124200133121
6 Senary 332433220513
8 Octal 11526137335
10 Decimal 1297661661
12 Duodecimal 302701739
16 Hexadecimal 4d58bedd
20 Vigesimal 105a7e31
36 Base36 lgle59

Cryptographic Hash Functions

md5 fd1c9d7811ebc1bfa9887bcf1ebb3c9f
sha1 cdd931733aba349fb7c24b0eeb86c304ae1a14ff
sha256 97af606f1d5a60605bf0b781ac3a112683f7ed1a53a22b1b4abf9cc5c974d5b4
sha512 d1015b8c63f962adb623508d62ace2a675d4105084d76c2aadaa5559771b355912b2cc5a43ff1e3b918e6feb1c19723afb271684ce04dad0f77a60174cd2930f
ripemd-160 190f11a9640e1df6307a5c110f917de7941a37d1

1297661661 as geometric shapes

Circle

Radius = n
Diameter 2595323322
Circumference 8153448682.0855
Area 5.2902088798366E+18

Sphere

Radius = n
Volume 9.153201656061E+27
Surface area 2.1160835519347E+19
Circumference 8153448682.0855

Square

Length = n
Perimeter 5190646644
Area 1683925786429278921
Diagonal 1835170720.3578

Cube

Length = n
Surface area 1.0103554718576E+19
Volume 2.1851659330185E+27
Space diagonal 2247615927.8862

Equilateral Triangle

Length = n
Perimeter 3892984983
Area 7.2916125456772E+17
Altitude 1123807963.9431

Triangular Pyramid

Length = n
Surface area 7.2916125456772E+17
Volume 2.5752427487587E+26
Height 611723573.4526