661749086 (number)

661749086 is an even 9-digits composite number following 661749085 and preceding 661749087. In scientific notation, it is written as 6.61749086 × 10^8. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 318063648 positive integers (up to 661749086) that are relatively prime to 661749086.

Interesting facts

Basic properties

Name

Name six hundred sixty-one million seven hundred forty-nine thousand eighty-six

Notation

Scientific notation 6.61749086 × 10^8
Engineering notation 6.61749086 × 10^6

Prime Factorization of 661749086

Prime Factorization 2 × 29 × 229 × 49823

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 661749086
Product of the distinct prime numbers

The prime factorization of 661749086 is 2 × 29 × 229 × 49823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 5, 28, 36, 632, 168, 7803, 1349, 40989, 7027, 885880, 423484, 7332340, 4135810, 55389970, 84177505, 188813107, 557974486, 7762102766, 4944945506

Basic calculations (n = 661749086)

Multiplication

n×y
n×2 1323498172
n×3 1985247258
n×4 2646996344
n×5 3308745430

Division

n÷y
n÷2 330874543
n÷3 220583028.66667
n÷3 165437271.5
n÷5 132349817.2

Exponentiation

ny
n2 437911852821835396
n3 2.8978776835342E+26
n4 1.9176679084185E+35
n5 1.2690149856475E+44

Nth Root

y√n
2√n 25724.484173643
3√n 871.42721042262
4√n 160.38854127912
5√n 58.094988493823

Divisors of 661749086

1, 2, 29, 58, 229, 458, 6641, 13282, 49823, 99646, 1444867, 2889734, 11409467, 22818934, 330874543, 661749086

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 -661749085
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 661749086 can be divided by 16 positive divisors. The sum of these divisors (counting 661749086) is 1, the average is 0.0625.

Base conversion 661749086

Base System Value
2 Binary 100111011100010111110101011110
3 Ternary 1201010012100002102
4 Quaternary 213130113311132
5 Quinary 2323401432321
6 Senary 145355325102
8 Octal 4734276536
10 Decimal 661749086
12 Duodecimal 165750792
16 Hexadecimal 27717d5e
20 Vigesimal a6fice6
36 Base36 axzkv2

Cryptographic Hash Functions

md5 8f7c4c88f888885c3bdfe3647beb16fa
sha1 4dc550992589c443bd33f96a24d54fd73adfc165
sha256 01fa2f7588f450d4b47edad8efb7d679eae9d8e8705eff7f290331de83b5987a
sha512 d0c077e08fbb2eaf988aac25b6950068e5123b031b8448f934faf45da398e7aa45b2e60d24b900a4b9374cc1ada4ad8d41f42f3757a9213fe857521a25215c31
ripemd-160 2814191ed18e6ab433325f1b92d2f7b36ed21ad9

661749086 as geometric shapes

Circle

Radius = n
Diameter 1323498172
Circumference 4157892134.1947
Area 1.375740659745E+18

Sphere

Radius = n
Volume 1.2138601655457E+27
Surface area 5.5029626389799E+18
Circumference 4157892134.1947

Square

Length = n
Perimeter 2646996344
Area 437911852821835396
Diagonal 935854532.3092

Cube

Length = n
Surface area 2627471116931012376
Volume 2.8978776835342E+26
Space diagonal 1146183038.8143

Equilateral Triangle

Length = n
Perimeter 1985247258
Area 1.8962139458101E+17
Altitude 573091519.40713

Triangular Pyramid

Length = n
Surface area 1.8962139458101E+17
Volume 3.4151816017936E+25
Height 311951510.76973