81377164 (number)

81377164 is an even 8-digits composite number following 81377163 and preceding 81377165. In scientific notation, it is written as 8.1377164 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 34813440 positive integers (up to 81377164) that are relatively prime to 81377164.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred seventy-seven thousand one hundred sixty-four

Notation

Scientific notation 8.1377164 × 10^7
Engineering notation 8.1377164 × 10^6

Prime Factorization of 81377164

Prime Factorization 2 × 2 × 11 × 17 × 108793

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40688582
Product of the distinct prime numbers

The prime factorization of 81377164 is 2 × 2 × 11 × 17 × 108793. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 6, 18, 32, 174, 580, 1975, 5272, 90949, 89060, 883390, 946780, 661259, 9814616, 89570596, 82130746, 149984742, 980764497, 7101561803, 6473586583

Basic calculations (n = 81377164)

Multiplication

n×y
n×2 162754328
n×3 244131492
n×4 325508656
n×5 406885820

Division

n÷y
n÷2 40688582
n÷3 27125721.333333
n÷3 20344291
n÷5 16275432.8

Exponentiation

ny
n2 6622242820682896
n3 5.3889934006653E+23
n4 4.3854099976086E+31
n5 3.5687222858264E+39

Nth Root

y√n
2√n 9020.9292204296
3√n 433.34539269529
4√n 94.978572427835
5√n 38.203267561545

Divisors of 81377164

1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 108793, 217586, 435172, 1196723, 1849481, 2393446, 3698962, 4786892, 7397924, 20344291, 40688582, 81377164

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81377163
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81377164 can be divided by 24 positive divisors. The sum of these divisors (counting 81377164) is 1, the average is 0.041666666666667.

Base conversion 81377164

Base System Value
2 Binary 100110110011011011110001100
3 Ternary 12200010101111001
4 Quaternary 10312123132030
5 Quinary 131313032124
6 Senary 12024110044
8 Octal 466333614
10 Decimal 81377164
12 Duodecimal 23305324
16 Hexadecimal 4d9b78c
20 Vigesimal 158c2i4
36 Base36 1cg70s

Cryptographic Hash Functions

md5 c9e5f34988026941c1d26960090d6596
sha1 56901e6b7815b5df9ed794ba635337e4e3ebef73
sha256 94fe4036523c781b67b8d390267506c7ffd3793329094baed402c25822d9c685
sha512 fc712219d4fc26bc3aa8bd7af62705458e5c8e52342fb44f2d0d13c5eebfb157ac3f0e6735bb33f35bdb9996a39c41133662407b6a9d3f50ff890b204eb15504
ripemd-160 9c4966ef74fab7cfb96946f3d6dee415fca7f9e2

81377164 as geometric shapes

Circle

Radius = n
Diameter 162754328
Circumference 511307801.18474
Area 2.0804389395745E+16

Sphere

Radius = n
Volume 2.2573362770366E+24
Surface area 8.3217557582981E+16
Circumference 511307801.18474

Square

Length = n
Perimeter 325508656
Area 6622242820682896
Diagonal 115084688.99626

Cube

Length = n
Surface area 39733456924097376
Volume 5.3889934006653E+23
Space diagonal 140949382.62386

Equilateral Triangle

Length = n
Perimeter 244131492
Area 2.8675152563703E+15
Altitude 70474691.311932

Triangular Pyramid

Length = n
Surface area 2.8675152563703E+15
Volume 6.3509896289667E+22
Height 38361562.998753