61781290 (number)

61781290 is an even 8-digits composite number following 61781289 and preceding 61781291. In scientific notation, it is written as 6.1781290 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 24712512 positive integers (up to 61781290) that are relatively prime to 61781290.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.1781290 × 10^7
Engineering notation 6.1781290 × 10^6

Prime Factorization of 61781290

Prime Factorization 2 × 5 × 6178129

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61781290
Product of the distinct prime numbers

The prime factorization of 61781290 is 2 × 5 × 6178129. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61781290)

Multiplication

n×y
n×2 123562580
n×3 185343870
n×4 247125160
n×5 308906450

Division

n÷y
n÷2 30890645
n÷3 20593763.333333
n÷3 15445322.5
n÷5 12356258

Exponentiation

ny
n2 3816927794064100
n3 2.3581472295413E+23
n4 1.4568937785099E+31
n5 9.0008777029316E+38

Nth Root

y√n
2√n 7860.1075056261
3√n 395.32321992833
4√n 88.657247338422
5√n 36.155252128827

Divisors of 61781290

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 -61781289
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 61781290 can be divided by 8 positive divisors. The sum of these divisors (counting 61781290) is 1, the average is 0.125.

Base conversion 61781290

Base System Value
2 Binary 11101011101011010100101010
3 Ternary 11022020210222221
4 Quaternary 3223223110222
5 Quinary 111304000130
6 Senary 10044104254
8 Octal 353532452
10 Decimal 61781290
12 Duodecimal 1883508a
16 Hexadecimal 3aeb52a
20 Vigesimal j62d4a
36 Base36 10s6qy

Cryptographic Hash Functions

md5 f9e1d10dd524a19516fe1c7f1e139373
sha1 ef35b6fba63a1cf00ce9a492a0b2837458c0d59d
sha256 9703c652fe395ae0e298056550cb2cc6a6a02e2859210a8bf912d792f4498dff
sha512 d68c8d2b8f225c47bc04d74b1b7eb061727d4328bf474a042ee812b54f62771037ffd0c5f3b6316dc6af47b80ace67cafc964c0c523dc7b3307d6f4cbeb47910
ripemd-160 b5056af0df1a022820f4f44fddc3e5ed2fa7a6dc

61781290 as geometric shapes

Circle

Radius = n
Diameter 123562580
Circumference 388183293.5866
Area 1.1991232317114E+16

Sphere

Radius = n
Volume 9.8777840165469E+23
Surface area 4.7964929268458E+16
Circumference 388183293.5866

Square

Length = n
Perimeter 247125160
Area 3816927794064100
Diagonal 87371938.218905

Cube

Length = n
Surface area 22901566764384600
Volume 2.3581472295413E+23
Space diagonal 107008333.23715

Equilateral Triangle

Length = n
Perimeter 185343870
Area 1.6527782170352E+15
Altitude 53504166.618574

Triangular Pyramid

Length = n
Surface area 1.6527782170352E+15
Volume 2.7791031617416E+22
Height 29123979.406302