81003669 (number)

81003669 is an odd 8-digits composite number following 81003668 and preceding 81003670. In scientific notation, it is written as 8.1003669 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 50319360 positive integers (up to 81003669) that are relatively prime to 81003669.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1003669 × 10^7
Engineering notation 8.1003669 × 10^6

Prime Factorization of 81003669

Prime Factorization 3 × 61 × 19 × 23297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81003669
Product of the distinct prime numbers

The prime factorization of 81003669 is 3 × 61 × 19 × 23297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81003669)

Multiplication

n×y
n×2 162007338
n×3 243011007
n×4 324014676
n×5 405018345

Division

n÷y
n÷2 40501834.5
n÷3 27001223
n÷3 20250917.25
n÷5 16200733.8

Exponentiation

ny
n2 6561594391461561
n3 5.3151322019821E+23
n4 4.305452095806E+31
n5 3.4875741646402E+39

Nth Root

y√n
2√n 9000.2038310252
3√n 432.68140384997
4√n 94.869404082798
5√n 38.168134861814

Divisors of 81003669

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 -81003668
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 81003669 can be divided by 16 positive divisors. The sum of these divisors (counting 81003669) is 1, the average is 0.0625.

Base conversion 81003669

Base System Value
2 Binary 100110101000000010010010101
3 Ternary 12122102102010220
4 Quaternary 10311000102111
5 Quinary 131214104134
6 Senary 12012104553
8 Octal 465002225
10 Decimal 81003669
12 Duodecimal 23165159
16 Hexadecimal 4d40495
20 Vigesimal 1565939
36 Base36 1c86tx

Cryptographic Hash Functions

md5 2d31f30de15865f6beab9b284ce013bb
sha1 ea6d3668c2768d3899014dcbb7be7383d974015f
sha256 f1ef2dad8ee27a34d62df79821a872bf4991f54dfa214487ee047b3f50cfafc0
sha512 c1c8075cc1451f4293f1f3d49bf5d064e87650ea37a977aa74b837298539cf29dca5994ea792114d29c34722089a21d38544dd73daac02a41b6c41886cbf80a5
ripemd-160 927465864cd9971931adc0968931a9599d2558fc

81003669 as geometric shapes

Circle

Radius = n
Diameter 162007338
Circumference 508961062.88844
Area 2.0613856736052E+16

Sphere

Radius = n
Volume 2.2263973704807E+24
Surface area 8.2455426944207E+16
Circumference 508961062.88844

Square

Length = n
Perimeter 324014676
Area 6561594391461561
Diagonal 114556487.30178

Cube

Length = n
Surface area 39369566348769366
Volume 5.3151322019821E+23
Space diagonal 140302470.30749

Equilateral Triangle

Length = n
Perimeter 243011007
Area 2.8412537161676E+15
Altitude 70151235.153746

Triangular Pyramid

Length = n
Surface area 2.8412537161676E+15
Volume 6.2639433715409E+22
Height 38185495.76726