71981806 (number)

71981806 is an even 8-digits composite number following 71981805 and preceding 71981807. In scientific notation, it is written as 7.1981806 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 33062400 positive integers (up to 71981806) that are relatively prime to 71981806.

Interesting facts

Basic properties

Name

Name seventy-one million nine hundred eighty-one thousand eight hundred six

Notation

Scientific notation 7.1981806 × 10^7
Engineering notation 7.1981806 × 10^6

Prime Factorization of 71981806

Prime Factorization 2 × 13 × 211 × 13121

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71981806
Product of the distinct prime numbers

The prime factorization of 71981806 is 2 × 13 × 211 × 13121. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 49, 43, 975, 341, 6588, 2169, 71796, 5226, 89366, 976902, 8431040, 9469516, 28034500, 93452573, 598743136, 69314935, 5133369855, 7906938965

Basic calculations (n = 71981806)

Multiplication

n×y
n×2 143963612
n×3 215945418
n×4 287927224
n×5 359909030

Division

n÷y
n÷2 35990903
n÷3 23993935.333333
n÷3 17995451.5
n÷5 14396361.2

Exponentiation

ny
n2 5181380395021636
n3 3.7296511840665E+23
n4 2.6846702797915E+31
n5 1.9324741525391E+39

Nth Root

y√n
2√n 8484.2092147707
3√n 415.98171994995
4√n 92.109767206148
5√n 37.27730849247

Divisors of 71981806

1, 2, 13, 26, 211, 422, 2743, 5486, 13121, 26242, 170573, 341146, 2768531, 5537062, 35990903, 71981806

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 -71981805
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 71981806 can be divided by 16 positive divisors. The sum of these divisors (counting 71981806) is 1, the average is 0.0625.

Base conversion 71981806

Base System Value
2 Binary 100010010100101101011101110
3 Ternary 12000110001110211
4 Quaternary 10102211223232
5 Quinary 121411404211
6 Senary 11050453034
8 Octal 422455356
10 Decimal 71981806
12 Duodecimal 2013417a
16 Hexadecimal 44a5aee
20 Vigesimal 129hea6
36 Base36 16utim

Cryptographic Hash Functions

md5 78b596032e6a4ee90de86da0b0ac823d
sha1 2d17a151d0001827f87badf5265f900ed86e3c0f
sha256 8abb5e178e2d030fe6f8fbc9b4ddab9d9a029e3dcb5130f1e6038bcb65d5f42a
sha512 a452e7f8947251972d39fbf16beff442286498a1675ab571d9dfc3c9f498aff58139a535f00254830418ce8ae31175895612a12b098e71b11a702ee63a7ce6d7
ripemd-160 05596ea85894478754efeb9c112b2b7f18977148

71981806 as geometric shapes

Circle

Radius = n
Diameter 143963612
Circumference 452275025.84345
Area 1.6277786584454E+16

Sphere

Radius = n
Volume 1.5622726347088E+24
Surface area 6.5111146337817E+16
Circumference 452275025.84345

Square

Length = n
Perimeter 287927224
Area 5181380395021636
Diagonal 101797646.28931

Cube

Length = n
Surface area 31088282370129816
Volume 3.7296511840665E+23
Space diagonal 124676145.21257

Equilateral Triangle

Length = n
Perimeter 215945418
Area 2.2436035243797E+15
Altitude 62338072.606283

Triangular Pyramid

Length = n
Surface area 2.2436035243797E+15
Volume 4.3954360728564E+22
Height 33932548.763103