81963670 (number)

81963670 is an even 8-digits composite number following 81963669 and preceding 81963671. In scientific notation, it is written as 8.1963670 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 32336064 positive integers (up to 81963670) that are relatively prime to 81963670.

Interesting facts

Basic properties

Name

Name eighty-one million nine hundred sixty-three thousand six hundred seventy

Notation

Scientific notation 8.1963670 × 10^7
Engineering notation 8.1963670 × 10^6

Prime Factorization of 81963670

Prime Factorization 2 × 5 × 73 × 112279

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81963670
Product of the distinct prime numbers

The prime factorization of 81963670 is 2 × 5 × 73 × 112279. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81963670)

Multiplication

n×y
n×2 163927340
n×3 245891010
n×4 327854680
n×5 409818350

Division

n÷y
n÷2 40981835
n÷3 27321223.333333
n÷3 20490917.5
n÷5 16392734

Exponentiation

ny
n2 6718043199868900
n3 5.506354758798E+23
n4 4.5132104435305E+31
n5 3.6991929143409E+39

Nth Root

y√n
2√n 9053.3789272293
3√n 434.38397852497
4√n 95.149245542092
5√n 38.258177629404

Divisors of 81963670

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81963669
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81963670 can be divided by 16 positive divisors. The sum of these divisors (counting 81963670) is 1, the average is 0.0625.

Base conversion 81963670

Base System Value
2 Binary 100111000101010101010010110
3 Ternary 12201020012000111
4 Quaternary 10320222222112
5 Quinary 131440314140
6 Senary 12044433234
8 Octal 470525226
10 Decimal 81963670
12 Duodecimal 2354881a
16 Hexadecimal 4e2aa96
20 Vigesimal 15c593a
36 Base36 1csrkm

Cryptographic Hash Functions

md5 cc57984e08e4068355c7e9991d3de1c5
sha1 7a72661b739717d060b3debcf3c6499fd42ac935
sha256 20e360d2a43b7e1d916879bdee61bb52481b7c14f938e5923abb2a40fbbe2159
sha512 8689e1f76623c02abd071d77dc40f57f43b351bd1f84571d58b626538617d0b21a241766136483577c7aaa3259e38ef3b2a1cf851fcb77d74268abf50b8071a6
ripemd-160 71cae36de970a44f2fe3b5ca25bdd1ca82f50e24

81963670 as geometric shapes

Circle

Radius = n
Diameter 163927340
Circumference 514992927.06652
Area 2.1105355163207E+16

Sphere

Radius = n
Volume 2.3064964877732E+24
Surface area 8.4421420652828E+16
Circumference 514992927.06652

Square

Length = n
Perimeter 327854680
Area 6718043199868900
Diagonal 115914133.73587

Cube

Length = n
Surface area 40308259199213400
Volume 5.506354758798E+23
Space diagonal 141965240.81481

Equilateral Triangle

Length = n
Perimeter 245891010
Area 2.9089980374039E+15
Altitude 70982620.407404

Triangular Pyramid

Length = n
Surface area 2.9089980374039E+15
Volume 6.4893013159415E+22
Height 38638044.578624