71856987 (number)

71856987 is an odd 8-digits composite number following 71856986 and preceding 71856988. In scientific notation, it is written as 7.1856987 × 10^7. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 47884800 positive integers (up to 71856987) that are relatively prime to 71856987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1856987 × 10^7
Engineering notation 7.1856987 × 10^6

Prime Factorization of 71856987

Prime Factorization 3 × 4129 × 5801

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71856987
Product of the distinct prime numbers

The prime factorization of 71856987 is 3 × 4129 × 5801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71856987)

Multiplication

n×y
n×2 143713974
n×3 215570961
n×4 287427948
n×5 359284935

Division

n÷y
n÷2 35928493.5
n÷3 23952329
n÷3 17964246.75
n÷5 14371397.4

Exponentiation

ny
n2 5163426580718169
n3 3.7102827668612E+23
n4 2.6660974054467E+31
n5 1.9157772660392E+39

Nth Root

y√n
2√n 8476.8500635554
3√n 415.74113849422
4√n 92.069810815247
5√n 37.264371481528

Divisors of 71856987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71856986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71856987 can be divided by 8 positive divisors. The sum of these divisors (counting 71856987) is 1, the average is 0.125.

Base conversion 71856987

Base System Value
2 Binary 100010010000111001101011011
3 Ternary 12000012201020220
4 Quaternary 10102013031123
5 Quinary 121343410422
6 Senary 11044051123
8 Octal 422071533
10 Decimal 71856987
12 Duodecimal 20093aa3
16 Hexadecimal 448735b
20 Vigesimal 1292297
36 Base36 16s57f

Cryptographic Hash Functions

md5 07c84ae4b4bb484b6849edc7b90835c9
sha1 ac52a159eee72be9141a231c324ec742f3812eb5
sha256 47c4872cb295f6ebe071f16eff024c93f2931ac49c0e4d454ccb357422af45b8
sha512 a253fe6b9a77088c718c281844cfc862f091069c9274f21275501ba0c463b3763fc212c1bf4692b7ee335a82cb29240b3994d95409c6d45bdf9ce7b8eeb0a163
ripemd-160 89b0df91feadb327ea0dde5b11b2ffd21f0ba726

71856987 as geometric shapes

Circle

Radius = n
Diameter 143713974
Circumference 451490764.93659
Area 1.6221383013334E+16

Sphere

Radius = n
Volume 1.5541596110816E+24
Surface area 6.4885532053338E+16
Circumference 451490764.93659

Square

Length = n
Perimeter 287427948
Area 5163426580718169
Diagonal 101621125.56667

Cube

Length = n
Surface area 30980559484309014
Volume 3.7102827668612E+23
Space diagonal 124459952.36282

Equilateral Triangle

Length = n
Perimeter 215570961
Area 2.2358292947389E+15
Altitude 62229976.181408

Triangular Pyramid

Length = n
Surface area 2.2358292947389E+15
Volume 4.3726101742786E+22
Height 33873708.522222