71305987 (number)

71305987 is an odd 8-digits composite number following 71305986 and preceding 71305988. In scientific notation, it is written as 7.1305987 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 71288640 positive integers (up to 71305987) that are relatively prime to 71305987.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred five thousand nine hundred eighty-seven

Notation

Scientific notation 7.1305987 × 10^7
Engineering notation 7.1305987 × 10^6

Prime Factorization of 71305987

Prime Factorization 6691 × 10657

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71305987
Product of the distinct prime numbers

The prime factorization of 71305987 is 6691 × 10657. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71305987)

Multiplication

n×y
n×2 142611974
n×3 213917961
n×4 285223948
n×5 356529935

Division

n÷y
n÷2 35652993.5
n÷3 23768662.333333
n÷3 17826496.75
n÷5 14261197.4

Exponentiation

ny
n2 5084543782044169
n3 3.6255841282337E+23
n4 2.5852585471524E+31
n5 1.8434441235489E+39

Nth Root

y√n
2√n 8444.2872404958
3√n 414.67577521179
4√n 91.892802985303
5√n 37.207046679216

Divisors of 71305987

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 -71305986
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 71305987 can be divided by 4 positive divisors. The sum of these divisors (counting 71305987) is 1, the average is 0.25.

Base conversion 71305987

Base System Value
2 Binary 100010000000000101100000011
3 Ternary 11222011201102111
4 Quaternary 10100000230003
5 Quinary 121223242422
6 Senary 11024200151
8 Octal 420005403
10 Decimal 71305987
12 Duodecimal 1ba69057
16 Hexadecimal 4400b03
20 Vigesimal 125d4j7
36 Base36 16gc1v

Cryptographic Hash Functions

md5 97aa8a488687f8d4647d0fcc53d9b689
sha1 e648a9a7dcd2e949f3ddb08dede7c257ba99e430
sha256 ed79c63694ebc76c148bf70685dd835092f7efa699bd9d71a6aba56eac0f6fce
sha512 07ef8f6a6d07125ec961df82cf7204ecbfa92ded4eae558d1f78cb3a73fab998f755ecd9bfa6b3c235c479ae563df04062bcb3a6bfce992896858809fad0c94c
ripemd-160 ae6337dc0fc7dfe95f71a45667de6c5c5dfe5517

71305987 as geometric shapes

Circle

Radius = n
Diameter 142611974
Circumference 448028729.83234
Area 1.5973565392526E+16

Sphere

Radius = n
Volume 1.5186811282974E+24
Surface area 6.3894261570102E+16
Circumference 448028729.83234

Square

Length = n
Perimeter 285223948
Area 5084543782044169
Diagonal 100841893.8938

Cube

Length = n
Surface area 30507262692265014
Volume 3.6255841282337E+23
Space diagonal 123505592.36785

Equilateral Triangle

Length = n
Perimeter 213917961
Area 2.2016720409522E+15
Altitude 61752796.183923

Triangular Pyramid

Length = n
Surface area 2.2016720409522E+15
Volume 4.272791871394E+22
Height 33613964.631267