1297987449 (number)

1297987449 is an odd 10-digits composite number following 1297987448 and preceding 1297987450. In scientific notation, it is written as 1.297987449 × 10^9. The sum of its digits is 60. It has a total of 5 prime factors and 24 positive divisors. There are 764390880 positive integers (up to 1297987449) that are relatively prime to 1297987449.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.297987449 × 10^9
Engineering notation 1.297987449 × 10^9

Prime Factorization of 1297987449

Prime Factorization 249 × 11 × 11 × 67 × 643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 117998859
Product of the distinct prime numbers

The prime factorization of 1297987449 is 249 × 11 × 11 × 67 × 643. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 66, 85, 979, 174, 7932, 9209, 31468, 15719, 323721, 481436, 6341824, 1804295, 51702326, 17381008, 339826383, 362180192, 5166516932, 7495775208

Basic calculations (n = 1297987449)

Multiplication

n×y
n×2 2595974898
n×3 3893962347
n×4 5191949796
n×5 6489937245

Division

n÷y
n÷2 648993724.5
n÷3 432662483
n÷3 324496862.25
n÷5 259597489.8

Exponentiation

ny
n2 1684771417761527601
n3 2.1868121546884E+27
n4 2.8384547301062E+36
n5 3.6842786142325E+45

Nth Root

y√n
2√n 36027.592883788
3√n 1090.8293911932
4√n 189.80935931557
5√n 66.474349878272

Divisors of 1297987449

1, 11, 67, 121, 249, 643, 737, 2739, 7073, 8107, 16683, 30129, 43081, 77803, 160107, 183513, 473891, 1761177, 2018643, 5212801, 10727169, 19372947, 117998859, 1297987449

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 -1297987448
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 1297987449 can be divided by 24 positive divisors. The sum of these divisors (counting 1297987449) is 1, the average is 0.041666666666667.

Base conversion 1297987449

Base System Value
2 Binary 1001101010111011011011101111001
3 Ternary 10100110101121001020
4 Quaternary 1031113123131321
5 Quinary 10124241044244
6 Senary 332444213053
8 Octal 11527333571
10 Decimal 1297987449
12 Duodecimal 30283a189
16 Hexadecimal 4d5db779
20 Vigesimal 105c88c9
36 Base36 lgsdix

Cryptographic Hash Functions

md5 055660c86415b2f0fafec0937a847ae4
sha1 ab8337904d6e343d2e886eeee62f782d649256a1
sha256 dd2f5e28d9a0379f74092333c68f181e8557c2cb4295e03c50033a6732fb1f0e
sha512 38cd73fd22f4cc5a701a2c96aabe30a54273fb4133c7c218d161563d1d29abe26bd3899e9971797fb8011fb813882f256a518da7c772e1ad1aa68abad10886d1
ripemd-160 bd66e8fb705b7e202d21cc7dd55119ec29011ea6

1297987449 as geometric shapes

Circle

Radius = n
Diameter 2595974898
Circumference 8155495668.4603
Area 5.2928655090177E+18

Sphere

Radius = n
Volume 9.1600973332666E+27
Surface area 2.1171462036071E+19
Circumference 8155495668.4603

Square

Length = n
Perimeter 5191949796
Area 1684771417761527601
Diagonal 1835631454.1659

Cube

Length = n
Surface area 1.0108628506569E+19
Volume 2.1868121546884E+27
Space diagonal 2248180209.2547

Equilateral Triangle

Length = n
Perimeter 3893962347
Area 7.295274236757E+17
Altitude 1124090104.6274

Triangular Pyramid

Length = n
Surface area 7.295274236757E+17
Volume 2.5771828396022E+26
Height 611877151.38862