1298661921 (number)

1298661921 is an odd 10-digits composite number following 1298661920 and preceding 1298661922. In scientific notation, it is written as 1.298661921 × 10^9. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 830328000 positive integers (up to 1298661921) that are relatively prime to 1298661921.

Interesting facts

Basic properties

Name

Name one billion two hundred ninety-eight million six hundred sixty-one thousand nine hundred twenty-one

Notation

Scientific notation 1.298661921 × 10^9
Engineering notation 1.298661921 × 10^9

Prime Factorization of 1298661921

Prime Factorization 9 × 41 × 59 × 59651

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1298661921
Product of the distinct prime numbers

The prime factorization of 1298661921 is 9 × 41 × 59 × 59651. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1298661921)

Multiplication

n×y
n×2 2597323842
n×3 3895985763
n×4 5194647684
n×5 6493309605

Division

n÷y
n÷2 649330960.5
n÷3 432887307
n÷3 324665480.25
n÷5 259732384.2

Exponentiation

ny
n2 1686522785055410241
n3 2.1902229198503E+27
n4 2.8443591045111E+36
n5 3.6938608586782E+45

Nth Root

y√n
2√n 36036.952160248
3√n 1091.0183006936
4√n 189.83401212704
5√n 66.481256843606

Divisors of 1298661921

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 -1298661920
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 1298661921 can be divided by 16 positive divisors. The sum of these divisors (counting 1298661921) is 1, the average is 0.0625.

Base conversion 1298661921

Base System Value
2 Binary 1001101011010000000001000100001
3 Ternary 10100111122212020200
4 Quaternary 1031122000020201
5 Quinary 10124424140141
6 Senary 332510455413
8 Octal 11532001041
10 Decimal 1298661921
12 Duodecimal 302b04569
16 Hexadecimal 4d680221
20 Vigesimal 105gceg1
36 Base36 lh6ty9

Cryptographic Hash Functions

md5 8d78e3345cb63d78326fd02fba030ed5
sha1 197dab6b62aed550097b44df418b013398644ed8
sha256 69833efbbef245b7a56e2ce5f52f3582774bf71fcefebf52bbe6783499e48902
sha512 c6a95a90df25c4d8af8afb0fa061cfbedef8c7bf9f499e119e1649ec09bd61da273bbd84669c61d3dc02da9484e3c799b27a071bf3227e0adfee50cd56ee097a
ripemd-160 8f6575193d89103bde9b28a2370b7c5ec77e1bea

1298661921 as geometric shapes

Circle

Radius = n
Diameter 2597323842
Circumference 8159733501.0208
Area 5.2983675916419E+18

Sphere

Radius = n
Volume 9.1743843129677E+27
Surface area 2.1193470366567E+19
Circumference 8159733501.0208

Square

Length = n
Perimeter 5194647684
Area 1686522785055410241
Diagonal 1836585301.6157

Cube

Length = n
Surface area 1.0119136710332E+19
Volume 2.1902229198503E+27
Space diagonal 2249348429.027

Equilateral Triangle

Length = n
Perimeter 3895985763
Area 7.3028578795963E+17
Altitude 1124674214.5135

Triangular Pyramid

Length = n
Surface area 7.3028578795963E+17
Volume 2.5812024648939E+26
Height 612195100.53857