71388281 (number)

71388281 is an odd 8-digits composite number following 71388280 and preceding 71388282. In scientific notation, it is written as 7.1388281 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 69458832 positive integers (up to 71388281) that are relatively prime to 71388281.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-eight thousand two hundred eighty-one

Notation

Scientific notation 7.1388281 × 10^7
Engineering notation 7.1388281 × 10^6

Prime Factorization of 71388281

Prime Factorization 37 × 1929413

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71388281
Product of the distinct prime numbers

The prime factorization of 71388281 is 37 × 1929413. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71388281)

Multiplication

n×y
n×2 142776562
n×3 214164843
n×4 285553124
n×5 356941405

Division

n÷y
n÷2 35694140.5
n÷3 23796093.666667
n÷3 17847070.25
n÷5 14277656.2

Exponentiation

ny
n2 5096286664134961
n3 3.6381514443582E+23
n4 2.597213776304E+31
n5 1.8541062687986E+39

Nth Root

y√n
2√n 8449.1585971622
3√n 414.83523918817
4√n 91.919304812222
5√n 37.215630822868

Divisors of 71388281

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 -71388280
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 71388281 can be divided by 4 positive divisors. The sum of these divisors (counting 71388281) is 1, the average is 0.25.

Base conversion 71388281

Base System Value
2 Binary 100010000010100110001111001
3 Ternary 11222022220022102
4 Quaternary 10100110301321
5 Quinary 121233411111
6 Senary 11030033145
8 Octal 420246171
10 Decimal 71388281
12 Duodecimal 1baa87b5
16 Hexadecimal 4414c79
20 Vigesimal 1263ae1
36 Base36 16i3jt

Cryptographic Hash Functions

md5 718fa5e4013a45e6066b17f1c19a52d3
sha1 c5fcdd16e616b062567e9e3ad678ce87ae6a9b28
sha256 fe8e281008169da351d2fa5590af817b578d36b57830e9ed56f9f941ea24d37b
sha512 782ec3b9b3216025d0ac9b31b01410f9f92cfde71e0308b52f775006cb61b9ae21233b3bd881d656f9eb2acb61c1a660ca2beb7a8e654605c5431356ad535e88
ripemd-160 779767065f44a931f06a9eca04e24dfaeaa43771

71388281 as geometric shapes

Circle

Radius = n
Diameter 142776562
Circumference 448545798.28401
Area 1.6010456744634E+16

Sphere

Radius = n
Volume 1.5239453133657E+24
Surface area 6.4041826978536E+16
Circumference 448545798.28401

Square

Length = n
Perimeter 285553124
Area 5096286664134961
Diagonal 100958275.1847

Cube

Length = n
Surface area 30577719984809766
Volume 3.6381514443582E+23
Space diagonal 123648129.757

Equilateral Triangle

Length = n
Perimeter 214164843
Area 2.2067568580544E+15
Altitude 61824064.878502

Triangular Pyramid

Length = n
Surface area 2.2067568580544E+15
Volume 4.2876025954822E+22
Height 33652758.394901