81409712 (number)

81409712 is an even 8-digits composite number following 81409711 and preceding 81409713. In scientific notation, it is written as 8.1409712 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors. There are 40588608 positive integers (up to 81409712) that are relatively prime to 81409712.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred nine thousand seven hundred twelve

Notation

Scientific notation 8.1409712 × 10^7
Engineering notation 8.1409712 × 10^6

Prime Factorization of 81409712

Prime Factorization 2 × 2 × 2 × 2 × 359 × 14173

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10176214
Product of the distinct prime numbers

The prime factorization of 81409712 is 2 × 2 × 2 × 2 × 359 × 14173. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 9, 64, 26, 73, 500, 3106, 6383, 77810, 52978, 603702, 103069, 3639229, 5218506, 38171661, 26642878, 760486067, 7785206, 214093436, 7388925396

Basic calculations (n = 81409712)

Multiplication

n×y
n×2 162819424
n×3 244229136
n×4 325638848
n×5 407048560

Division

n÷y
n÷2 40704856
n÷3 27136570.666667
n÷3 20352428
n÷5 16281942.4

Exponentiation

ny
n2 6627541207922944
n3 5.3954622100514E+23
n4 4.3924302462717E+31
n5 3.5758648132907E+39

Nth Root

y√n
2√n 9022.7330670923
3√n 433.40315929356
4√n 94.988068024843
5√n 38.206323065095

Divisors of 81409712

1, 2, 4, 8, 16, 359, 718, 1436, 2872, 5744, 14173, 28346, 56692, 113384, 226768, 5088107, 10176214, 20352428, 40704856, 81409712

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81409711
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81409712 can be divided by 20 positive divisors. The sum of these divisors (counting 81409712) is 1, the average is 0.05.

Base conversion 81409712

Base System Value
2 Binary 100110110100011011010110000
3 Ternary 12200012001010112
4 Quaternary 10312203122300
5 Quinary 131320102322
6 Senary 12024520452
8 Octal 466433260
10 Decimal 81409712
12 Duodecimal 23320128
16 Hexadecimal 4da36b0
20 Vigesimal 158g45c
36 Base36 1cgw4w

Cryptographic Hash Functions

md5 8243ac5d78b81bcd87221ae936a7809c
sha1 232b850de4b54a0afbfcb3002cb6fb0645d923f5
sha256 f6b5828338c5bee1c5dafdda9c1472dfe4e11006390408fec4dbcf926ccecb8c
sha512 f2175178399fd40ed2f70d412e1ef4b30b600ab894edf500953fa5569e677444f5184c5041e541712ed775d52aa60c6d6b33b39c71ee85b6501af53077635577
ripemd-160 8b74483fce986abaf04225960f5c7e6055ef1584

81409712 as geometric shapes

Circle

Radius = n
Diameter 162819424
Circumference 511512306.30012
Area 2.0821034770174E+16

Sphere

Radius = n
Volume 2.2600459255758E+24
Surface area 8.3284139080697E+16
Circumference 511512306.30012

Square

Length = n
Perimeter 325638848
Area 6627541207922944
Diagonal 115130718.81929

Cube

Length = n
Surface area 39765247247537664
Volume 5.3954622100514E+23
Space diagonal 141005757.41355

Equilateral Triangle

Length = n
Perimeter 244229136
Area 2.8698095253447E+15
Altitude 70502878.706775

Triangular Pyramid

Length = n
Surface area 2.8698095253447E+15
Volume 6.3586131939385E+22
Height 38376906.273096