47731981 (number)

47731981 is an odd 8-digits composite number following 47731980 and preceding 47731982. In scientific notation, it is written as 4.7731981 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 43392700 positive integers (up to 47731981) that are relatively prime to 47731981.

Interesting facts

Basic properties

Name

Name forty-seven million seven hundred thirty-one thousand nine hundred eighty-one

Notation

Scientific notation 4.7731981 × 10^7
Engineering notation 4.7731981 × 10^6

Prime Factorization of 47731981

Prime Factorization 11 × 4339271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 47731981
Product of the distinct prime numbers

The prime factorization of 47731981 is 11 × 4339271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 4, 48, 95, 764, 709, 8315, 5631, 19625, 93335, 852453, 895034, 7675291, 3548802, 63245727, 28757551, 245594896, 622622359, 5493810783, 6639788309

Basic calculations (n = 47731981)

Multiplication

n×y
n×2 95463962
n×3 143195943
n×4 190927924
n×5 238659905

Division

n÷y
n÷2 23865990.5
n÷3 15910660.333333
n÷3 11932995.25
n÷5 9546396.2

Exponentiation

ny
n2 2278342010184361
n3 1.0874977754162E+23
n4 5.1908423153709E+30
n5 2.4776918677128E+38

Nth Root

y√n
2√n 6908.8335484364
3√n 362.74643504629
4√n 83.119393335349
5√n 34.336963894919

Divisors of 47731981

1, 11, 4339271, 47731981

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 -47731980
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 47731981 can be divided by 4 positive divisors. The sum of these divisors (counting 47731981) is 1, the average is 0.25.

Base conversion 47731981

Base System Value
2 Binary 10110110000101010100001101
3 Ternary 10022211000222011
4 Quaternary 2312011110031
5 Quinary 44204410411
6 Senary 4423021221
8 Octal 266052415
10 Decimal 47731981
12 Duodecimal 13b9a811
16 Hexadecimal 2d8550d
20 Vigesimal ei69j1
36 Base36 sf28d

Cryptographic Hash Functions

md5 408875ca7e965164a2fdcc5dffd3604c
sha1 8f250b2bc9fb8e352eada10b91582f4d34e1b45f
sha256 6a85c6ab72d055d849eae73766f59220e15585606046d04854d94c157f33fa46
sha512 0cf9a79c80bca7ad33542b272cfa7ca57c8031e8a047167da29ee649c28743f18be251715aac63b87195e8c381f5f204fee4fa33b9d18c7d5c38943c4ddc164e
ripemd-160 87adf0cbaccdbca4c503539c915eeba60123d817

47731981 as geometric shapes

Circle

Radius = n
Diameter 95463962
Circumference 299908881.70178
Area 7.1576225215602E+15

Sphere

Radius = n
Volume 4.5553000293904E+23
Surface area 2.8630490086241E+16
Circumference 299908881.70178

Square

Length = n
Perimeter 190927924
Area 2278342010184361
Diagonal 67503214.889135

Cube

Length = n
Surface area 13670052061106166
Volume 1.0874977754162E+23
Space diagonal 82674216.237912

Equilateral Triangle

Length = n
Perimeter 143195943
Area 9.8655102966448E+14
Altitude 41337108.118956

Triangular Pyramid

Length = n
Surface area 9.8655102966448E+14
Volume 1.2816284192035E+22
Height 22501071.629712