61781289 (number)

61781289 is an odd 8-digits composite number following 61781288 and preceding 61781290. In scientific notation, it is written as 6.1781289 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 38838800 positive integers (up to 61781289) that are relatively prime to 61781289.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.1781289 × 10^7
Engineering notation 6.1781289 × 10^6

Prime Factorization of 61781289

Prime Factorization 3 × 23 × 71 × 12611

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 61781289
Product of the distinct prime numbers

The prime factorization of 61781289 is 3 × 23 × 71 × 12611. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61781289)

Multiplication

n×y
n×2 123562578
n×3 185343867
n×4 247125156
n×5 308906445

Division

n÷y
n÷2 30890644.5
n÷3 20593763
n÷3 15445322.25
n÷5 12356257.8

Exponentiation

ny
n2 3816927670501521
n3 2.3581471150335E+23
n4 1.456893684184E+31
n5 9.0008769744847E+38

Nth Root

y√n
2√n 7860.1074420138
3√n 395.32321779541
4√n 88.657246979667
5√n 36.155252011785

Divisors of 61781289

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 -61781288
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 61781289 can be divided by 16 positive divisors. The sum of these divisors (counting 61781289) is 1, the average is 0.0625.

Base conversion 61781289

Base System Value
2 Binary 11101011101011010100101001
3 Ternary 11022020210222220
4 Quaternary 3223223110221
5 Quinary 111304000124
6 Senary 10044104253
8 Octal 353532451
10 Decimal 61781289
12 Duodecimal 18835089
16 Hexadecimal 3aeb529
20 Vigesimal j62d49
36 Base36 10s6qx

Cryptographic Hash Functions

md5 607b224db5b80d8c9b264df0f77371b0
sha1 7827deb2f1c44115e5aa0466605db73eb5244e58
sha256 2572ef75311e0dda1fa51fc9beae534064a6b54d3db697190b040271d1b4a340
sha512 ae4e8a58c6073f9bfd05fb010e2baa34a433528c4652dfa2a59872fef4ab9457cb5cd351a2418bb9a9a530363d82bfda0c918ea0f85fd567edcd23f6f02d6884
ripemd-160 22e6da8a5644d0eb07180fd37820c48da2d4ef28

61781289 as geometric shapes

Circle

Radius = n
Diameter 123562578
Circumference 388183287.30342
Area 1.1991231928931E+16

Sphere

Radius = n
Volume 9.8777835368977E+23
Surface area 4.7964927715725E+16
Circumference 388183287.30342

Square

Length = n
Perimeter 247125156
Area 3816927670501521
Diagonal 87371936.804692

Cube

Length = n
Surface area 22901566023009126
Volume 2.3581471150335E+23
Space diagonal 107008331.5051

Equilateral Triangle

Length = n
Perimeter 185343867
Area 1.652778163531E+15
Altitude 53504165.752548

Triangular Pyramid

Length = n
Surface area 1.652778163531E+15
Volume 2.7791030267928E+22
Height 29123978.934897