61749987 (number)

61749987 is an odd 8-digits composite number following 61749986 and preceding 61749988. In scientific notation, it is written as 6.1749987 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 37931040 positive integers (up to 61749987) that are relatively prime to 61749987.

Interesting facts

Basic properties

Name

Name sixty-one million seven hundred forty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 6.1749987 × 10^7
Engineering notation 6.1749987 × 10^6

Prime Factorization of 61749987

Prime Factorization 3 × 13 × 743 × 2131

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 61749987
Product of the distinct prime numbers

The prime factorization of 61749987 is 3 × 13 × 743 × 2131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 99, 7, 11, 114, 4102, 5918, 44363, 81739, 322884, 329756, 7524365, 4803453, 2342767, 36518878, 850708341, 629509621, 4957788596, 3543862553

Basic calculations (n = 61749987)

Multiplication

n×y
n×2 123499974
n×3 185249961
n×4 246999948
n×5 308749935

Division

n÷y
n÷2 30874993.5
n÷3 20583329
n÷3 15437496.75
n÷5 12349997.4

Exponentiation

ny
n2 3813060894500169
n3 2.3545646066559E+23
n4 1.4539433385166E+31
n5 8.9780982252139E+38

Nth Root

y√n
2√n 7858.1159955806
3√n 395.25644192623
4√n 88.646015113939
5√n 36.151587597697

Divisors of 61749987

1, 3, 13, 39, 743, 2131, 2229, 6393, 9659, 27703, 28977, 83109, 1583333, 4749999, 20583329, 61749987

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 -61749986
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 61749987 can be divided by 16 positive divisors. The sum of these divisors (counting 61749987) is 1, the average is 0.0625.

Base conversion 61749987

Base System Value
2 Binary 11101011100011101011100011
3 Ternary 11022012020001120
4 Quaternary 3223203223203
5 Quinary 111301444422
6 Senary 10043303323
8 Octal 353435343
10 Decimal 61749987
12 Duodecimal 1881ab43
16 Hexadecimal 3ae3ae3
20 Vigesimal j5iej7
36 Base36 10rilf

Cryptographic Hash Functions

md5 102bd48257f48da180f168510e157b75
sha1 e8c2d20fdc54cbc3ac37cc8de020ec584205f5ce
sha256 d9fba4a3753659002c8fb8ca1b5346b302092a01c5e66151047833a6608c94e2
sha512 a83e9a7be13f0d598b1a74c400dfcee40b9e10086ee52f889f0c3a35352e1f2c954fcf2adc840dcbacf8959926fbfb1c7006ca4dc72278364cd3218342206423
ripemd-160 efbc282309002f8662d43dc5ecfa1ba4bd43f659

61749987 as geometric shapes

Circle

Radius = n
Diameter 123499974
Circumference 387986611.03693
Area 1.1979084093852E+16

Sphere

Radius = n
Volume 9.8627771608971E+23
Surface area 4.7916336375409E+16
Circumference 387986611.03693

Square

Length = n
Perimeter 246999948
Area 3813060894500169
Diagonal 87327669.091762

Cube

Length = n
Surface area 22878365367001014
Volume 2.3545646066559E+23
Space diagonal 106954114.85072

Equilateral Triangle

Length = n
Perimeter 185249961
Area 1.6511038004071E+15
Altitude 53477057.425359

Triangular Pyramid

Length = n
Surface area 1.6511038004071E+15
Volume 2.7748810001804E+22
Height 29109223.030587