61781490 (number)

61781490 is an even 8-digits composite number following 61781489 and preceding 61781491. In scientific notation, it is written as 6.1781490 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 16028928 positive integers (up to 61781490) that are relatively prime to 61781490.

Interesting facts

Basic properties

Name

Name sixty-one million seven hundred eighty-one thousand four hundred ninety

Notation

Scientific notation 6.1781490 × 10^7
Engineering notation 6.1781490 × 10^6

Prime Factorization of 61781490

Prime Factorization 2 × 9 × 5 × 37 × 18553

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 61781490
Product of the distinct prime numbers

The prime factorization of 61781490 is 2 × 9 × 5 × 37 × 18553. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 56, 100, 963, 765, 5829, 807, 28565, 145, 789888, 636025, 9863926, 8424332, 73242225, 79145095, 7176068, 963653923, 8969795603, 5941857824

Basic calculations (n = 61781490)

Multiplication

n×y
n×2 123562980
n×3 185344470
n×4 247125960
n×5 308907450

Division

n÷y
n÷2 30890745
n÷3 20593830
n÷3 15445372.5
n÷5 12356298

Exponentiation

ny
n2 3816952506620100
n3 2.3581701311822E+23
n4 1.4569126437793E+31
n5 9.0010233932527E+38

Nth Root

y√n
2√n 7860.1202280881
3√n 395.32364651141
4√n 88.657319089222
5√n 36.155275537342

Divisors of 61781490

1, 2, 5, 9, 10, 18, 37, 45, 74, 90, 185, 333, 370, 666, 1665, 3330, 18553, 37106, 92765, 166977, 185530, 333954, 686461, 834885, 1372922, 1669770, 3432305, 6178149, 6864610, 12356298, 30890745, 61781490

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61781489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61781490 can be divided by 32 positive divisors. The sum of these divisors (counting 61781490) is 1, the average is 0.03125.

Base conversion 61781490

Base System Value
2 Binary 11101011101011010111110010
3 Ternary 11022020211021100
4 Quaternary 3223223113302
5 Quinary 111304001430
6 Senary 10044105230
8 Octal 353532762
10 Decimal 61781490
12 Duodecimal 18835216
16 Hexadecimal 3aeb5f2
20 Vigesimal j62dea
36 Base36 10s6wi

Cryptographic Hash Functions

md5 87365ea52b4288a298402d4ac63d9790
sha1 788fab8d950075b660aed617228521d42202f9ce
sha256 ec31f5b6313074bfc4b65e6c48c6a31c4a9a27b83ae81755a8b9039d0fc970a1
sha512 530ecda24d96953516d36b6c82855913d0775288d0429d5c5d08983f95ebf5b492b50bf8ae5af6d33d8ae4874e57d85d20faf805c1d1bb3600f4ed8532b2fdda
ripemd-160 ee719bf4ed80223f2b17ca1da90f9a3c3cf66e3a

61781490 as geometric shapes

Circle

Radius = n
Diameter 123562980
Circumference 388184550.22366
Area 1.1991309953899E+16

Sphere

Radius = n
Volume 9.877879946716E+23
Surface area 4.7965239815595E+16
Circumference 388184550.22366

Square

Length = n
Perimeter 247125960
Area 3816952506620100
Diagonal 87372221.061618

Cube

Length = n
Surface area 22901715039720600
Volume 2.3581701311822E+23
Space diagonal 107008679.64731

Equilateral Triangle

Length = n
Perimeter 185344470
Area 1.6527889178858E+15
Altitude 53504339.823654

Triangular Pyramid

Length = n
Surface area 1.6527889178858E+15
Volume 2.7791301515842E+22
Height 29124073.687206