61656987 (number)

61656987 is an odd 8-digits composite number following 61656986 and preceding 61656988. In scientific notation, it is written as 6.1656987 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 33723648 positive integers (up to 61656987) that are relatively prime to 61656987.

Interesting facts

Basic properties

Name

Name sixty-one million six hundred fifty-six thousand nine hundred eighty-seven

Notation

Scientific notation 6.1656987 × 10^7
Engineering notation 6.1656987 × 10^6

Prime Factorization of 61656987

Prime Factorization 87 × 7 × 137 × 739

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 61656987
Product of the distinct prime numbers

The prime factorization of 61656987 is 87 × 7 × 137 × 739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 97, 74, 276, 720, 1101, 485, 1519, 40655, 394312, 377181, 9468323, 4002509, 9721393, 41538614, 397594778, 7882922, 9125206459, 2536513195

Basic calculations (n = 61656987)

Multiplication

n×y
n×2 123313974
n×3 184970961
n×4 246627948
n×5 308284935

Division

n÷y
n÷2 30828493.5
n÷3 20552329
n÷3 15414246.75
n÷5 12331397.4

Exponentiation

ny
n2 3801584045918169
n3 2.3439421809858E+23
n4 1.445204125818E+31
n5 8.9106931997904E+38

Nth Root

y√n
2√n 7852.1963169549
3√n 395.05791384992
4√n 88.612619400145
5√n 36.140691644295

Divisors of 61656987

1, 7, 87, 137, 609, 739, 959, 5173, 11919, 64293, 83433, 101243, 450051, 708701, 8808141, 61656987

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61656986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61656987 can be divided by 16 positive divisors. The sum of these divisors (counting 61656987) is 1, the average is 0.0625.

Base conversion 61656987

Base System Value
2 Binary 11101011001100111110011011
3 Ternary 11022000111111010
4 Quaternary 3223030332123
5 Quinary 111241010422
6 Senary 10041305003
8 Octal 353147633
10 Decimal 61656987
12 Duodecimal 18795163
16 Hexadecimal 3accf9b
20 Vigesimal j57297
36 Base36 10piu3

Cryptographic Hash Functions

md5 e142da555bd3036557c7991bb87df052
sha1 973e2fb76fa9eb29f48aecfdd1ed229d38111626
sha256 8e2741229063080ddfc7d8baa9eefd01ced9ab3f53f8f4e997a3d5e176471029
sha512 b1be8fca4e58782c73af08d1213ea0ee895e9c37bd6d3697c3723396fd36de7bf043acfae6ac9b6eb87e44e9d0af7402683f12dab6b7dcf90ab1bef11e59b415
ripemd-160 ba948602a8ee43e2ceba2c7d6108c2a57bd597f7

61656987 as geometric shapes

Circle

Radius = n
Diameter 123313974
Circumference 387402274.80336
Area 1.1943028510661E+16

Sphere

Radius = n
Volume 9.8182820482991E+23
Surface area 4.7772114042643E+16
Circumference 387402274.80336

Square

Length = n
Perimeter 246627948
Area 3801584045918169
Diagonal 87196147.230462

Cube

Length = n
Surface area 22809504275509014
Volume 2.3439421809858E+23
Space diagonal 106793034.12561

Equilateral Triangle

Length = n
Perimeter 184970961
Area 1.6461341791934E+15
Altitude 53396517.062807

Triangular Pyramid

Length = n
Surface area 1.6461341791934E+15
Volume 2.7623623514738E+22
Height 29065382.410154