661640908 (number)

661640908 is an even 9-digits composite number following 661640907 and preceding 661640909. In scientific notation, it is written as 6.61640908 × 10^8. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 315102480 positive integers (up to 661640908) that are relatively prime to 661640908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.61640908 × 10^8
Engineering notation 6.61640908 × 10^6

Prime Factorization of 661640908

Prime Factorization 2 × 2 × 23 × 239 × 30091

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 330820454
Product of the distinct prime numbers

The prime factorization of 661640908 is 2 × 2 × 23 × 239 × 30091. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 4, 76, 77, 216, 313, 5854, 6632, 2927, 92464, 867928, 461674, 9444946, 617167, 28228534, 22267657, 955014356, 932777127, 9434341515, 9130229552

Basic calculations (n = 661640908)

Multiplication

n×y
n×2 1323281816
n×3 1984922724
n×4 2646563632
n×5 3308204540

Division

n÷y
n÷2 330820454
n÷3 220546969.33333
n÷3 165410227
n÷5 132328181.6

Exponentiation

ny
n2 437768691139064464
n3 2.8964567429922E+26
n4 1.9164142694161E+35
n5 1.2679780773206E+44

Nth Root

y√n
2√n 25722.38146051
3√n 871.37972294232
4√n 160.38198608482
5√n 58.093088979103

Divisors of 661640908

1, 2, 4, 23, 46, 92, 239, 478, 956, 5497, 10994, 21988, 30091, 60182, 120364, 692093, 1384186, 2768372, 7191749, 14383498, 28766996, 165410227, 330820454, 661640908

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 -661640907
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 661640908 can be divided by 24 positive divisors. The sum of these divisors (counting 661640908) is 1, the average is 0.041666666666667.

Base conversion 661640908

Base System Value
2 Binary 100111011011111101011011001100
3 Ternary 1201002222211200211
4 Quaternary 213123331123030
5 Quinary 2323340002113
6 Senary 145353132204
8 Octal 4733753314
10 Decimal 661640908
12 Duodecimal 1656ba064
16 Hexadecimal 276fd6cc
20 Vigesimal a6f5258
36 Base36 axx9e4

Cryptographic Hash Functions

md5 cb2a8fe6061bfaf96ac8b5ef94af1f60
sha1 6191b3eb5e296dbb948872156c79db83d38be23f
sha256 88b51b4fcf1913a779693dc50bfdfd363da19e0fb973016bdbbd6695668c04a7
sha512 b8dc7a3f08fbd72583818bdda125b650835dca9b0c1bb2d2f8e00815c2544f679120b34d9b71bfd9dae8d75ae1cc20f8c29fff924b12ac010377ee038144cf6e
ripemd-160 3b8eb2ec2ed4fabdc07ee9ddbdbc8d1b41cf1552

661640908 as geometric shapes

Circle

Radius = n
Diameter 1323281816
Circumference 4157212431.7746
Area 1.3752909040541E+18

Sphere

Radius = n
Volume 1.2132649633633E+27
Surface area 5.5011636162164E+18
Circumference 4157212431.7746

Square

Length = n
Perimeter 2646563632
Area 437768691139064464
Diagonal 935701545.51445

Cube

Length = n
Surface area 2626612146834386784
Volume 2.8964567429922E+26
Space diagonal 1145995669.022

Equilateral Triangle

Length = n
Perimeter 1984922724
Area 1.8955940375395E+17
Altitude 572997834.511

Triangular Pyramid

Length = n
Surface area 1.8955940375395E+17
Volume 3.4135070073055E+25
Height 311900515.17148