71328987 (number)

71328987 is an odd 8-digits composite number following 71328986 and preceding 71328988. In scientific notation, it is written as 7.1328987 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 47496768 positive integers (up to 71328987) that are relatively prime to 71328987.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred twenty-eight thousand nine hundred eighty-seven

Notation

Scientific notation 7.1328987 × 10^7
Engineering notation 7.1328987 × 10^6

Prime Factorization of 71328987

Prime Factorization 3 × 3 × 947 × 8369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 23776329
Product of the distinct prime numbers

The prime factorization of 71328987 is 3 × 3 × 947 × 8369. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 59, 46, 357, 976, 8527, 6522, 24017, 55027, 249713, 386048, 2124498, 7153202, 30128906, 69782526, 154661670, 185327205, 5075327816, 3043052178

Basic calculations (n = 71328987)

Multiplication

n×y
n×2 142657974
n×3 213986961
n×4 285315948
n×5 356644935

Division

n÷y
n÷2 35664493.5
n÷3 23776329
n÷3 17832246.75
n÷5 14265797.4

Exponentiation

ny
n2 5087824386446169
n3 3.629093595191E+23
n4 2.5885956987316E+31
n5 1.8464190894308E+39

Nth Root

y√n
2√n 8445.6489981528
3√n 414.72035546822
4√n 91.900212176865
5√n 37.20944662267

Divisors of 71328987

1, 3, 9, 947, 2841, 8369, 8523, 25107, 75321, 7925443, 23776329, 71328987

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71328986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71328987 can be divided by 12 positive divisors. The sum of these divisors (counting 71328987) is 1, the average is 0.083333333333333.

Base conversion 71328987

Base System Value
2 Binary 100010000000110010011011011
3 Ternary 11222012212222100
4 Quaternary 10100012103123
5 Quinary 121230011422
6 Senary 11024454443
8 Octal 420062333
10 Decimal 71328987
12 Duodecimal 1ba7a423
16 Hexadecimal 44064db
20 Vigesimal 125g297
36 Base36 16gtsr

Cryptographic Hash Functions

md5 9cf0517f05c347172d8055a61b95a2b0
sha1 c7cb4a019338eb48573044d1d70669f613e5c272
sha256 460d936cc7da0beb4a614ab5eba3e2f334483c69c11e188eb3031edded282e77
sha512 6fc9ea575a6d3dfa0121266d1dc242216d17b236a1c9edb4bcacb652a7c1688a4b53e9a59283626914fdbe672ddbdcef0b6cdcd99fe113b91d95f970ef901a27
ripemd-160 3328eb90c56a0bdd33cb87aa83535b98a1c51b94

71328987 as geometric shapes

Circle

Radius = n
Diameter 142657974
Circumference 448173243.0944
Area 1.5983871715214E+16

Sphere

Radius = n
Volume 1.5201511703789E+24
Surface area 6.3935486860857E+16
Circumference 448173243.0944

Square

Length = n
Perimeter 285315948
Area 5087824386446169
Diagonal 100874420.80573

Cube

Length = n
Surface area 30526946318677014
Volume 3.629093595191E+23
Space diagonal 123545429.53642

Equilateral Triangle

Length = n
Perimeter 213986961
Area 2.2030925843282E+15
Altitude 61772714.76821

Triangular Pyramid

Length = n
Surface area 2.2030925843282E+15
Volume 4.2769278178671E+22
Height 33624806.935245