81783669 (number)

81783669 is an odd 8-digits composite number following 81783668 and preceding 81783670. In scientific notation, it is written as 8.1783669 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 49565840 positive integers (up to 81783669) that are relatively prime to 81783669.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1783669 × 10^7
Engineering notation 8.1783669 × 10^6

Prime Factorization of 81783669

Prime Factorization 3 × 11 × 2478293

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81783669
Product of the distinct prime numbers

The prime factorization of 81783669 is 3 × 11 × 2478293. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81783669)

Multiplication

n×y
n×2 163567338
n×3 245351007
n×4 327134676
n×5 408918345

Division

n÷y
n÷2 40891834.5
n÷3 27261223
n÷3 20445917.25
n÷5 16356733.8

Exponentiation

ny
n2 6688568515101561
n3 5.4701567352289E+23
n4 4.4736948781208E+31
n5 3.6587518111923E+39

Nth Root

y√n
2√n 9043.4323682991
3√n 434.0657608805
4√n 95.09696298147
5√n 38.241359037409

Divisors of 81783669

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 -81783668
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 81783669 can be divided by 8 positive divisors. The sum of these divisors (counting 81783669) is 1, the average is 0.125.

Base conversion 81783669

Base System Value
2 Binary 100110111111110101101110101
3 Ternary 12200220001002210
4 Quaternary 10313332231311
5 Quinary 131414034134
6 Senary 12040524033
8 Octal 467765565
10 Decimal 81783669
12 Duodecimal 23480619
16 Hexadecimal 4dfeb75
20 Vigesimal 15b2j39
36 Base36 1cowol

Cryptographic Hash Functions

md5 6fde0c000e0f6913d678064e35796afe
sha1 0ee070f5f1416a0f1c01962466b3c5cfb32630e1
sha256 62aa70e64cf93c0ba6970ab1b01b56066f9f175013e4da81ac1c82c93b83da34
sha512 5955c6bff00356ec7cd8b6d4cb997c74207c30a749abb92138742e1d5b51e1d42fae61c23e2e3c382decb1afd3f8c45c1124507b2d729ba8e40605d01523570a
ripemd-160 fb5c7475877acdec8f5d4de43c29b1069a1baac1

81783669 as geometric shapes

Circle

Radius = n
Diameter 163567338
Circumference 513861947.42804
Area 2.1012757710075E+16

Sphere

Radius = n
Volume 2.2913338951173E+24
Surface area 8.40510308403E+16
Circumference 513861947.42804

Square

Length = n
Perimeter 327134676
Area 6688568515101561
Diagonal 115659573.88043

Cube

Length = n
Surface area 40131411090609366
Volume 5.4701567352289E+23
Space diagonal 141653469.9374

Equilateral Triangle

Length = n
Perimeter 245351007
Area 2.8962351245154E+15
Altitude 70826734.968698

Triangular Pyramid

Length = n
Surface area 2.8962351245154E+15
Volume 6.446641536056E+22
Height 38553191.293477