61661888 (number)

61661888 is an even 8-digits composite number following 61661887 and preceding 61661889. In scientific notation, it is written as 6.1661888 × 10^7. The sum of its digits is 44. It has a total of 8 prime factors and 28 positive divisors. There are 29766912 positive integers (up to 61661888) that are relatively prime to 61661888.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred sixty-one thousand eight hundred eighty-eight

Notation

Scientific notation 6.1661888 × 10^7
Engineering notation 6.1661888 × 10^6

Prime Factorization of 61661888

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 29 × 33223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 1926934
Product of the distinct prime numbers

The prime factorization of 61661888 is 2 × 2 × 2 × 2 × 2 × 2 × 29 × 33223. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61661888)

Multiplication

n×y
n×2 123323776
n×3 184985664
n×4 246647552
n×5 308309440

Division

n÷y
n÷2 30830944
n÷3 20553962.666667
n÷3 15415472
n÷5 12332377.6

Exponentiation

ny
n2 3802188431724544
n3 2.3445011723189E+23
n4 1.445663687034E+31
n5 8.9142352355557E+38

Nth Root

y√n
2√n 7852.5083890436
3√n 395.06838104718
4√n 88.614380261014
5√n 36.141266177391

Divisors of 61661888

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61661887
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61661888 can be divided by 28 positive divisors. The sum of these divisors (counting 61661888) is 1, the average is 0.035714285714286.

Base conversion 61661888

Base System Value
2 Binary 11101011001110001011000000
3 Ternary 11022000202012122
4 Quaternary 3223032023000
5 Quinary 111241140023
6 Senary 10041343412
8 Octal 353161300
10 Decimal 61661888
12 Duodecimal 18797b68
16 Hexadecimal 3ace2c0
20 Vigesimal j57ee8
36 Base36 10pmm8

Cryptographic Hash Functions

md5 452dab94b9f70976247c6e433275ba09
sha1 ee8ec2bdee76193652ab3569d4021aa1f948df80
sha256 2b372dabb1ff58dd9805216260437bcc16f802bded7f768e3f06b9699a31d33e
sha512 9f3db2d8942eced50e2856b8f0c586abc301065ba35c48e7abc39225037f9051137ed659285950b3a1fbdc4b15ac0edef709911a76e943e22e2fbe5652bf6d28
ripemd-160 435926a95e326eafcb0e293e170470dd3023039b

61661888 as geometric shapes

Circle

Radius = n
Diameter 123323776
Circumference 387433068.69455
Area 1.194492724467E+16

Sphere

Radius = n
Volume 9.8206235457198E+23
Surface area 4.777970897868E+16
Circumference 387433068.69455

Square

Length = n
Perimeter 246647552
Area 3802188431724544
Diagonal 87203078.291131

Cube

Length = n
Surface area 22813130590347264
Volume 2.3445011723189E+23
Space diagonal 106801522.90662

Equilateral Triangle

Length = n
Perimeter 184985664
Area 1.6463958859244E+15
Altitude 53400761.453311

Triangular Pyramid

Length = n
Surface area 1.6463958859244E+15
Volume 2.7630211290776E+22
Height 29067692.76371