87081968 (number)

87081968 is an even 8-digits composite number following 87081967 and preceding 87081969. In scientific notation, it is written as 8.7081968 × 10^7. The sum of its digits is 47. It has a total of 7 prime factors and 40 positive divisors. There are 42262272 positive integers (up to 87081968) that are relatively prime to 87081968.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand nine hundred sixty-eight

Notation

Scientific notation 8.7081968 × 10^7
Engineering notation 8.7081968 × 10^6

Prime Factorization of 87081968

Prime Factorization 2 × 2 × 2 × 2 × 53 × 103 × 997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10885246
Product of the distinct prime numbers

The prime factorization of 87081968 is 2 × 2 × 2 × 2 × 53 × 103 × 997. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87081968)

Multiplication

n×y
n×2 174163936
n×3 261245904
n×4 348327872
n×5 435409840

Division

n÷y
n÷2 43540984
n÷3 29027322.666667
n÷3 21770492
n÷5 17416393.6

Exponentiation

ny
n2 7583269150753024
n3 6.6036600152126E+23
n4 5.7505971012762E+31
n5 5.0077331275423E+39

Nth Root

y√n
2√n 9331.7719646378
3√n 443.24387715233
4√n 96.601097119224
5√n 38.724484670249

Divisors of 87081968

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87081967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87081968 can be divided by 40 positive divisors. The sum of these divisors (counting 87081968) is 1, the average is 0.025.

Base conversion 87081968

Base System Value
2 Binary 101001100001100001111110000
3 Ternary 20001212020000002
4 Quaternary 11030030033300
5 Quinary 134243110333
6 Senary 12350245132
8 Octal 514141760
10 Decimal 87081968
12 Duodecimal 251b67a8
16 Hexadecimal 530c3f0
20 Vigesimal 17454i8
36 Base36 1fugvk

Cryptographic Hash Functions

md5 b71dfc1be9bc505e326d24e74836a278
sha1 cbac4dd621d01b01dfac56646c1ef57350619b33
sha256 34f8e71850b4cfd0c8dc249c5efdea542e003349e4189cdd19b5920d3865a5ce
sha512 3d0b7dcefca43ec044f660c8b33a38602141b1f90e73aebb2ec0c5027d98a68ce25490573c093ce49dfe04e8700fcf155a0fbf7b1218709dcdc31ef7ad13ee17
ripemd-160 a2ccd711786338fe1e59aab62b7f94c9f2a19c64

87081968 as geometric shapes

Circle

Radius = n
Diameter 174163936
Circumference 547152141.85788
Area 2.38235426542E+16

Sphere

Radius = n
Volume 2.7661346387462E+24
Surface area 9.5294170616799E+16
Circumference 547152141.85788

Square

Length = n
Perimeter 348327872
Area 7583269150753024
Diagonal 123152500.18374

Cube

Length = n
Surface area 45499614904518144
Volume 6.6036600152126E+23
Space diagonal 150830392.99909

Equilateral Triangle

Length = n
Perimeter 261245904
Area 3.2836518641435E+15
Altitude 75415196.499544

Triangular Pyramid

Length = n
Surface area 3.2836518641435E+15
Volume 7.7824879623455E+22
Height 41050833.39458