661640189 (number)

661640189 is an odd 9-digits composite number following 661640188 and preceding 661640190. In scientific notation, it is written as 6.61640189 × 10^8. The sum of its digits is 41. It has a total of 3 prime factors and 6 positive divisors. There are 567120120 positive integers (up to 661640189) that are relatively prime to 661640189.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.61640189 × 10^8
Engineering notation 6.61640189 × 10^6

Prime Factorization of 661640189

Prime Factorization 7 × 7 × 13502861

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 94520027
Product of the distinct prime numbers

The prime factorization of 661640189 is 7 × 7 × 13502861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 50, 11, 179, 514, 9185, 5948, 66003, 22862, 863738, 925643, 5809674, 6838903, 109342, 3854236, 858755535, 709009054, 3083832442, 8697287716

Basic calculations (n = 661640189)

Multiplication

n×y
n×2 1323280378
n×3 1984920567
n×4 2646560756
n×5 3308200945

Division

n÷y
n÷2 330820094.5
n÷3 220546729.66667
n÷3 165410047.25
n÷5 132328037.8

Exponentiation

ny
n2 437767739699955721
n3 2.8964473003318E+26
n4 1.9164059392201E+35
n5 1.2679711878263E+44

Nth Root

y√n
2√n 25722.367484351
3√n 871.37940730169
4√n 160.38194251334
5√n 58.093076353237

Divisors of 661640189

1, 7, 49, 13502861, 94520027, 661640189

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -661640188
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 661640189 can be divided by 6 positive divisors. The sum of these divisors (counting 661640189) is 1, the average is 0.16666666666667.

Base conversion 661640189

Base System Value
2 Binary 100111011011111101001111111101
3 Ternary 1201002222210201012
4 Quaternary 213123331033331
5 Quinary 2323334441224
6 Senary 145353125005
8 Octal 4733751775
10 Decimal 661640189
12 Duodecimal 1656b9765
16 Hexadecimal 276fd3fd
20 Vigesimal a6f5099
36 Base36 axx8u5

Cryptographic Hash Functions

md5 3e55cd028cb9f1d58189172d83a0e593
sha1 aa31660fbba958577fbedd1aee573f5872e43bc0
sha256 2e93ca792ea6e0e38338b32c9fcc3afaf3145bf498e9c2d23a162ad39d4de62d
sha512 329f63b5987d804f0e97c38c2b4cd2de75e5d1d7e78995fd86b8ca5a1d1df734fe2b56611d8116887a32a610dd6d284003ac5851cd07ffcfb91aaba0d6236cd8
ripemd-160 e7d245416e9384f698f51481260482e694d0339c

661640189 as geometric shapes

Circle

Radius = n
Diameter 1323280378
Circumference 4157207914.1643
Area 1.37528791502E+18

Sphere

Radius = n
Volume 1.213261008031E+27
Surface area 5.50115166008E+18
Circumference 4157207914.1643

Square

Length = n
Perimeter 2646560756
Area 437767739699955721
Diagonal 935700528.6949

Cube

Length = n
Surface area 2626606438199734326
Volume 2.8964473003318E+26
Space diagonal 1145994423.6775

Equilateral Triangle

Length = n
Perimeter 1984920567
Area 1.8955899176873E+17
Altitude 572997211.83874

Triangular Pyramid

Length = n
Surface area 1.8955899176873E+17
Volume 3.4134958790235E+25
Height 311900176.23163