81680411 (number)

81680411 is an odd 8-digits composite number following 81680410 and preceding 81680412. In scientific notation, it is written as 8.1680411 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 77244192 positive integers (up to 81680411) that are relatively prime to 81680411.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred eighty thousand four hundred eleven

Notation

Scientific notation 8.1680411 × 10^7
Engineering notation 8.1680411 × 10^6

Prime Factorization of 81680411

Prime Factorization 19 × 613 × 7013

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81680411
Product of the distinct prime numbers

The prime factorization of 81680411 is 19 × 613 × 7013. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81680411)

Multiplication

n×y
n×2 163360822
n×3 245041233
n×4 326721644
n×5 408402055

Division

n÷y
n÷2 40840205.5
n÷3 27226803.666667
n÷3 20420102.75
n÷5 16336082.2

Exponentiation

ny
n2 6671689541128921
n3 5.4494634378381E+23
n4 4.4511441333209E+31
n5 3.6357128222989E+39

Nth Root

y√n
2√n 9037.7215602164
3√n 433.8830037795
4√n 95.066932001703
5√n 38.231697641591

Divisors of 81680411

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 -81680410
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 81680411 can be divided by 8 positive divisors. The sum of these divisors (counting 81680411) is 1, the average is 0.125.

Base conversion 81680411

Base System Value
2 Binary 100110111100101100000011011
3 Ternary 12200200210110102
4 Quaternary 10313211200123
5 Quinary 131402233121
6 Senary 12034410015
8 Octal 467454033
10 Decimal 81680411
12 Duodecimal 2343090b
16 Hexadecimal 4de581b
20 Vigesimal 15aa10b
36 Base36 1cmp0b

Cryptographic Hash Functions

md5 855ab790d91b741cf70f61f4aa8541f6
sha1 203e584d8a19fb9cbf9c5c07e0d04b040e212142
sha256 286385e0b7c2c388b21065a6945dab1d05be773a813ebf543b075694a46c4cf1
sha512 dcb785e2b89bab48a819b0280542a30b0e2565d74834d48d643559f4db2dcbcc60388a3e631cf5d5bb66d385aa84fdc23c77d4c7666a89b2c99ad151a37873c8
ripemd-160 2fb20c166ae0827bbdf90ebda46a811645fe4091

81680411 as geometric shapes

Circle

Radius = n
Diameter 163360822
Circumference 513213158.27959
Area 2.0959730849442E+16

Sphere

Radius = n
Volume 2.2826659069758E+24
Surface area 8.383892339777E+16
Circumference 513213158.27959

Square

Length = n
Perimeter 326721644
Area 6671689541128921
Diagonal 115513545.01641

Cube

Length = n
Surface area 40030137246773526
Volume 5.4494634378381E+23
Space diagonal 141474621.83511

Equilateral Triangle

Length = n
Perimeter 245041233
Area 2.8889263143903E+15
Altitude 70737310.917554

Triangular Pyramid

Length = n
Surface area 2.8889263143903E+15
Volume 6.4222542512058E+22
Height 38504515.00547