71397281 (number)

71397281 is an odd 8-digits composite number following 71397280 and preceding 71397282. In scientific notation, it is written as 7.1397281 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 71202372 positive integers (up to 71397281) that are relatively prime to 71397281.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred ninety-seven thousand two hundred eighty-one

Notation

Scientific notation 7.1397281 × 10^7
Engineering notation 7.1397281 × 10^6

Prime Factorization of 71397281

Prime Factorization 367 × 194543

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71397281
Product of the distinct prime numbers

The prime factorization of 71397281 is 367 × 194543. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71397281)

Multiplication

n×y
n×2 142794562
n×3 214191843
n×4 285589124
n×5 356986405

Division

n÷y
n÷2 35698640.5
n÷3 23799093.666667
n÷3 17849320.25
n÷5 14279456.2

Exponentiation

ny
n2 5097571734192961
n3 3.6395276152383E+23
n4 2.5985237585243E+31
n5 1.8552753097254E+39

Nth Root

y√n
2√n 8449.6911777887
3√n 414.85267136898
4√n 91.92220176752
5√n 37.216569138747

Divisors of 71397281

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 -71397280
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 71397281 can be divided by 4 positive divisors. The sum of these divisors (counting 71397281) is 1, the average is 0.25.

Base conversion 71397281

Base System Value
2 Binary 100010000010110111110100001
3 Ternary 11222100100122202
4 Quaternary 10100112332201
5 Quinary 121234203111
6 Senary 11030142545
8 Octal 420267641
10 Decimal 71397281
12 Duodecimal 1bab1a55
16 Hexadecimal 4416fa1
20 Vigesimal 1264d41
36 Base36 16iaht

Cryptographic Hash Functions

md5 cd0dd611466ca9cae00fadbaa618f1b2
sha1 e48e646ebc137b790ec238055457323292adcdc2
sha256 08fcbea48de49c3d47d866b16f050247bac45388b14d0c7af31f0855105a7704
sha512 7f315c64d701a1c5e0f752414232debb401773f9138211554827043ce620c2b1556463d53609e5c68622d16575e41f339f8d061ba26852b87c0d48adaf2ca181
ripemd-160 77c017448a0c9d221cf20f6dcb7349a79e2ecafb

71397281 as geometric shapes

Circle

Radius = n
Diameter 142794562
Circumference 448602346.95177
Area 1.6014493911288E+16

Sphere

Radius = n
Volume 1.524521762476E+24
Surface area 6.405797564515E+16
Circumference 448602346.95177

Square

Length = n
Perimeter 285589124
Area 5097571734192961
Diagonal 100971003.10676

Cube

Length = n
Surface area 30585430405157766
Volume 3.6395276152383E+23
Space diagonal 123663718.21427

Equilateral Triangle

Length = n
Perimeter 214191843
Area 2.2073133097123E+15
Altitude 61831859.107136

Triangular Pyramid

Length = n
Surface area 2.2073133097123E+15
Volume 4.2892244284179E+22
Height 33657001.035588