61391618 (number)

61391618 is an even 8-digits composite number following 61391617 and preceding 61391619. In scientific notation, it is written as 6.1391618 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 30471616 positive integers (up to 61391618) that are relatively prime to 61391618.

Interesting facts

Basic properties

Name

Name sixty-one million three hundred ninety-one thousand six hundred eighteen

Notation

Scientific notation 6.1391618 × 10^7
Engineering notation 6.1391618 × 10^6

Prime Factorization of 61391618

Prime Factorization 2 × 137 × 224057

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 61391618
Product of the distinct prime numbers

The prime factorization of 61391618 is 2 × 137 × 224057. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61391618)

Multiplication

n×y
n×2 122783236
n×3 184174854
n×4 245566472
n×5 306958090

Division

n÷y
n÷2 30695809
n÷3 20463872.666667
n÷3 15347904.5
n÷5 12278323.6

Exponentiation

ny
n2 3768930760657924
n3 2.3138075752676E+23
n4 1.4204839078634E+31
n5 8.7205805446694E+38

Nth Root

y√n
2√n 7835.2803395922
3√n 394.49032806773
4√n 88.517118906979
5√n 36.109528353713

Divisors of 61391618

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 -61391617
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 61391618 can be divided by 8 positive divisors. The sum of these divisors (counting 61391618) is 1, the average is 0.125.

Base conversion 61391618

Base System Value
2 Binary 11101010001100001100000010
3 Ternary 11021112000110122
4 Quaternary 3222030030002
5 Quinary 111204012433
6 Senary 10031500242
8 Octal 352141402
10 Decimal 61391618
12 Duodecimal 18687682
16 Hexadecimal 3a8c302
20 Vigesimal j3dj0i
36 Base36 10ju2q

Cryptographic Hash Functions

md5 ddf375a546d9b8f76b25d4bfdb2c26c6
sha1 fb2841a3209a2e436d705111e97f06696fc77c75
sha256 3a5546bd9094a8758c20bdc5938bdccac3767bfe1300d09b20e2adae81caf76b
sha512 a5bf2238fa44d25c964ec6afd3348752ff8b504324742513795383dedf9ab9986798ca9db77e046873d500379b8dffaf5f89e8957559f0b515b5346d56528c99
ripemd-160 0d5d8ad755449cbb886ba6108aa32cc5a9d492fe

61391618 as geometric shapes

Circle

Radius = n
Diameter 122783236
Circumference 385734912.20158
Area 1.1840445189572E+16

Sphere

Radius = n
Volume 9.6920545070415E+23
Surface area 4.7361780758286E+16
Circumference 385734912.20158

Square

Length = n
Perimeter 245566472
Area 3768930760657924
Diagonal 86820858.791628

Cube

Length = n
Surface area 22613584563947544
Volume 2.3138075752676E+23
Space diagonal 106333401.53486

Equilateral Triangle

Length = n
Perimeter 184174854
Area 1.6319948919172E+15
Altitude 53166700.76743

Triangular Pyramid

Length = n
Surface area 1.6319948919172E+15
Volume 2.7268483780542E+22
Height 28940286.263876