61561491 (number)

61561491 is an odd 8-digits composite number following 61561490 and preceding 61561492. In scientific notation, it is written as 6.1561491 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 41020392 positive integers (up to 61561491) that are relatively prime to 61561491.

Interesting facts

Basic properties

Name

Name sixty-one million five hundred sixty-one thousand four hundred ninety-one

Notation

Scientific notation 6.1561491 × 10^7
Engineering notation 6.1561491 × 10^6

Prime Factorization of 61561491

Prime Factorization 3 × 7603 × 2699

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61561491
Product of the distinct prime numbers

The prime factorization of 61561491 is 3 × 7603 × 2699. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61561491)

Multiplication

n×y
n×2 123122982
n×3 184684473
n×4 246245964
n×5 307807455

Division

n÷y
n÷2 30780745.5
n÷3 20520497
n÷3 15390372.75
n÷5 12312298.2

Exponentiation

ny
n2 3789817174143081
n3 2.3330679585765E+23
n4 1.436271421343E+31
n5 8.8419010178563E+38

Nth Root

y√n
2√n 7846.1131141477
3√n 394.85384968568
4√n 88.578288051574
5√n 36.129489567036

Divisors of 61561491

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61561490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61561491 can be divided by 8 positive divisors. The sum of these divisors (counting 61561491) is 1, the average is 0.125.

Base conversion 61561491

Base System Value
2 Binary 11101010110101101010010011
3 Ternary 11021211122111020
4 Quaternary 3222311222103
5 Quinary 111224431431
6 Senary 10035250523
8 Octal 352655223
10 Decimal 61561491
12 Duodecimal 18749a43
16 Hexadecimal 3ab5a93
20 Vigesimal j4f3eb
36 Base36 10nh5f

Cryptographic Hash Functions

md5 08a173534abd722087f6a4c8691dec7f
sha1 b567c040974246c8b3973bda84210bb219d8fb9a
sha256 850a244be718409d3bf04f5b1379c7bc416ee72ccd2da8d30a322a7ecceb0894
sha512 07189ef05097e221f1ed28736001825fd178c54329a23017ac202421870fe90a583071e351b4600d3f1bd018311c7bc1473ad26bc9972f677b1dbbc2c88b508b
ripemd-160 ff75f5206f0dfa6aa8f77239774a5b9e8269a6c2

61561491 as geometric shapes

Circle

Radius = n
Diameter 123122982
Circumference 386802255.73927
Area 1.1906061792736E+16

Sphere

Radius = n
Volume 9.7727322119864E+23
Surface area 4.7624247170945E+16
Circumference 386802255.73927

Square

Length = n
Perimeter 246245964
Area 3789817174143081
Diagonal 87061095.492109

Cube

Length = n
Surface area 22738903044858486
Volume 2.3330679585765E+23
Space diagonal 106627630.20169

Equilateral Triangle

Length = n
Perimeter 184684473
Area 1.6410389742532E+15
Altitude 53313815.100847

Triangular Pyramid

Length = n
Surface area 1.6410389742532E+15
Volume 2.7495469574642E+22
Height 29020365.164036