661291216 (number)

661291216 is an even 9-digits composite number following 661291215 and preceding 661291217. In scientific notation, it is written as 6.61291216 × 10^8. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 316269536 positive integers (up to 661291216) that are relatively prime to 661291216.

Interesting facts

Basic properties

Name

Name six hundred sixty-one million two hundred ninety-one thousand two hundred sixteen

Notation

Scientific notation 6.61291216 × 10^8
Engineering notation 6.61291216 × 10^6

Prime Factorization of 661291216

Prime Factorization 2 × 2 × 2 × 2 × 23 × 1796987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 82661402
Product of the distinct prime numbers

The prime factorization of 661291216 is 2 × 2 × 2 × 2 × 23 × 1796987. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 661291216)

Multiplication

n×y
n×2 1322582432
n×3 1983873648
n×4 2645164864
n×5 3306456080

Division

n÷y
n÷2 330645608
n÷3 220430405.33333
n÷3 165322804
n÷5 132258243.2

Exponentiation

ny
n2 437306072358758656
n3 2.8918666435431E+26
n4 1.9123660092184E+35
n5 1.2646308436731E+44

Nth Root

y√n
2√n 25715.583135523
3√n 871.22618133943
4√n 160.36079051789
5√n 58.086946981444

Divisors of 661291216

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -661291215
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 661291216 can be divided by 20 positive divisors. The sum of these divisors (counting 661291216) is 1, the average is 0.05.

Base conversion 661291216

Base System Value
2 Binary 100111011010101000000011010000
3 Ternary 1201002100002000021
4 Quaternary 213122220003100
5 Quinary 2323242304331
6 Senary 145341433224
8 Octal 4732500320
10 Decimal 661291216
12 Duodecimal 16556b814
16 Hexadecimal 276a80d0
20 Vigesimal a6d180g
36 Base36 axprkg

Cryptographic Hash Functions

md5 c7cd0f7e6f37d7231c1b225f0e66b40f
sha1 8c385bf0d174aa77dcd0ca22722ecfec8984e82b
sha256 c5cc67e9a68075083d0ae2b987f38c25343f45a5e85cbcbd05cee6464099a9b0
sha512 6ec1e89561b2f361068869bfe916a136d22a83d5d1a2a6b4bdf4796f7e1ce488080b466a1ab41e84605089d7ded07bfb4e795e669624a2e837291fe333c78722
ripemd-160 aea7858bc92c490ac05bec861a5dc3a8386e15f5

661291216 as geometric shapes

Circle

Radius = n
Diameter 1322582432
Circumference 4155015252.1381
Area 1.3738375442925E+18

Sphere

Radius = n
Volume 1.2113422670022E+27
Surface area 5.4953501771699E+18
Circumference 4155015252.1381

Square

Length = n
Perimeter 2645164864
Area 437306072358758656
Diagonal 935207006.3454

Cube

Length = n
Surface area 2623836434152551936
Volume 2.8918666435431E+26
Space diagonal 1145389984.711

Equilateral Triangle

Length = n
Perimeter 1983873648
Area 1.8935908394594E+17
Altitude 572694992.3555

Triangular Pyramid

Length = n
Surface area 1.8935908394594E+17
Volume 3.4080975232275E+25
Height 311735668.7818