61981851 (number)

61981851 is an odd 8-digits composite number following 61981850 and preceding 61981852. In scientific notation, it is written as 6.1981851 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 41321232 positive integers (up to 61981851) that are relatively prime to 61981851.

Interesting facts

Basic properties

Name

Name sixty-one million nine hundred eighty-one thousand eight hundred fifty-one

Notation

Scientific notation 6.1981851 × 10^7
Engineering notation 6.1981851 × 10^6

Prime Factorization of 61981851

Prime Factorization 3 × 20660617

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 61981851
Product of the distinct prime numbers

The prime factorization of 61981851 is 3 × 20660617. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 61981851)

Multiplication

n×y
n×2 123963702
n×3 185945553
n×4 247927404
n×5 309909255

Division

n÷y
n÷2 30990925.5
n÷3 20660617
n÷3 15495462.75
n÷5 12396370.2

Exponentiation

ny
n2 3841749853386201
n3 2.3811876699186E+23
n4 1.4759041935993E+31
n5 9.1479273817946E+38

Nth Root

y√n
2√n 7872.8553270081
3√n 395.75053796537
4√n 88.729112060293
5√n 36.178695911891

Divisors of 61981851

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61981850
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61981851 can be divided by 4 positive divisors. The sum of these divisors (counting 61981851) is 1, the average is 0.25.

Base conversion 61981851

Base System Value
2 Binary 11101100011100010010011011
3 Ternary 11022122000010010
4 Quaternary 3230130102123
5 Quinary 111331404401
6 Senary 10052253003
8 Octal 354342233
10 Decimal 61981851
12 Duodecimal 18911163
16 Hexadecimal 3b1c49b
20 Vigesimal j77ecb
36 Base36 10whi3

Cryptographic Hash Functions

md5 a19718945e5a14e7c59cc27b82de16f7
sha1 10cad3a4b97f9ca25fb28d0a685d32d7df7ef84b
sha256 4eab4f7d55f4ad6344e3df3413680d77dd7879ce243390c7140fdc01952e3278
sha512 c1b3bbf02c57c2721e88ed95057f2f18de06ead4d37f9a37f503562731c3e64837619da3bc4895e771270dd4477b30bb5816ebbe4f683c169f9806cdd4e1044d
ripemd-160 39c28126e59679c1081d7d8fbff47f9b599a2e33

61981851 as geometric shapes

Circle

Radius = n
Diameter 123963702
Circumference 389443455.51499
Area 1.2069213116328E+16

Sphere

Radius = n
Volume 9.974295587513E+23
Surface area 4.8276852465311E+16
Circumference 389443455.51499

Square

Length = n
Perimeter 247927404
Area 3841749853386201
Diagonal 87655574.305188

Cube

Length = n
Surface area 23050499120317206
Volume 2.3811876699186E+23
Space diagonal 107355715.07916

Equilateral Triangle

Length = n
Perimeter 185945553
Area 1.6635264840088E+15
Altitude 53677857.539582

Triangular Pyramid

Length = n
Surface area 1.6635264840088E+15
Volume 2.8062565811287E+22
Height 29218524.768396