61661661 (number)

61661661 is an odd 8-digits composite number following 61661660 and preceding 61661662. In scientific notation, it is written as 6.1661661 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 41107772 positive integers (up to 61661661) that are relatively prime to 61661661.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.1661661 × 10^7
Engineering notation 6.1661661 × 10^6

Prime Factorization of 61661661

Prime Factorization 3 × 20553887

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 61661661
Product of the distinct prime numbers

The prime factorization of 61661661 is 3 × 20553887. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61661661)

Multiplication

n×y
n×2 123323322
n×3 184984983
n×4 246646644
n×5 308308305

Division

n÷y
n÷2 30830830.5
n÷3 20553887
n÷3 15415415.25
n÷5 12332332.2

Exponentiation

ny
n2 3802160437278921
n3 2.344475279511E+23
n4 1.4456423990809E+31
n5 8.9140711539353E+38

Nth Root

y√n
2√n 7852.4939350502
3√n 395.06789624944
4√n 88.614298705402
5√n 36.141239567504

Divisors of 61661661

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61661660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61661661 can be divided by 4 positive divisors. The sum of these divisors (counting 61661661) is 1, the average is 0.25.

Base conversion 61661661

Base System Value
2 Binary 11101011001110000111011101
3 Ternary 11022000201220020
4 Quaternary 3223032013131
5 Quinary 111241133121
6 Senary 10041342353
8 Octal 353160735
10 Decimal 61661661
12 Duodecimal 187979b9
16 Hexadecimal 3ace1dd
20 Vigesimal j57e31
36 Base36 10pmfx

Cryptographic Hash Functions

md5 39eea8f14689d028f494b142c02ed2fb
sha1 ee17cdfad4977d84bc192799d53550524ec26ca1
sha256 8bfd7d1fb1bf65bce360ec9eb48c8d8838283c215e1b8273519459cfe0ebf764
sha512 89f83ff936903f6e52da0f9e67b82fbbced75e707a7cead410810961c8f32eb52285037a00368e7ca7e0162ea62eeb60f5cb82e59d6895176aad54ee817e34e3
ripemd-160 b86ad855862828268cfe08f6158ad0dc278de6d4

61661661 as geometric shapes

Circle

Radius = n
Diameter 123323322
Circumference 387431642.41149
Area 1.1944839297525E+16

Sphere

Radius = n
Volume 9.8205150861797E+23
Surface area 4.7779357190101E+16
Circumference 387431642.41149

Square

Length = n
Perimeter 246646644
Area 3802160437278921
Diagonal 87202757.264652

Cube

Length = n
Surface area 22812962623673526
Volume 2.344475279511E+23
Space diagonal 106801129.73109

Equilateral Triangle

Length = n
Perimeter 184984983
Area 1.6463837639738E+15
Altitude 53400564.865544

Triangular Pyramid

Length = n
Surface area 1.6463837639738E+15
Volume 2.7629906141108E+22
Height 29067585.754884