81004045 (number)

81004045 is an odd 8-digits composite number following 81004044 and preceding 81004046. In scientific notation, it is written as 8.1004045 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 60540480 positive integers (up to 81004045) that are relatively prime to 81004045.

Interesting facts

Basic properties

Name

Name eighty-one million four thousand forty-five

Notation

Scientific notation 8.1004045 × 10^7
Engineering notation 8.1004045 × 10^6

Prime Factorization of 81004045

Prime Factorization 23 × 5 × 43 × 16381

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81004045
Product of the distinct prime numbers

The prime factorization of 81004045 is 23 × 5 × 43 × 16381. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 22, 86, 639, 87, 2078, 8578, 43269, 6859, 532527, 15206, 9870486, 9814885, 26102974, 79770228, 737587454, 958664118, 8076773838, 2236376832

Basic calculations (n = 81004045)

Multiplication

n×y
n×2 162008090
n×3 243012135
n×4 324016180
n×5 405020225

Division

n÷y
n÷2 40502022.5
n÷3 27001348.333333
n÷3 20251011.25
n÷5 16200809

Exponentiation

ny
n2 6561655306362025
n3 5.3152062171104E+23
n4 4.3055320359509E+31
n5 3.4876551078911E+39

Nth Root

y√n
2√n 9000.2247194167
3√n 432.68207331741
4√n 94.869514172977
5√n 38.168170295251

Divisors of 81004045

1, 5, 23, 43, 115, 215, 989, 4945, 16381, 81905, 376763, 704383, 1883815, 3521915, 16200809, 81004045

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 -81004044
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 81004045 can be divided by 16 positive divisors. The sum of these divisors (counting 81004045) is 1, the average is 0.0625.

Base conversion 81004045

Base System Value
2 Binary 100110101000000011000001101
3 Ternary 12122102102122211
4 Quaternary 10311000120031
5 Quinary 131214112140
6 Senary 12012110421
8 Octal 465003015
10 Decimal 81004045
12 Duodecimal 23165411
16 Hexadecimal 4d4060d
20 Vigesimal 1565a25
36 Base36 1c874d

Cryptographic Hash Functions

md5 9456233d9ef4429cef3d0ce297ae22d9
sha1 78696958d4e4cd732133a3db9f4b2922de63bf85
sha256 2c4fc930a3eb4778ebc9a66b5379a2b1e04e9328e9cadff392373dbd2b63cc8a
sha512 90e8d6f2dc1d15f9e7ef21489b4279cfadff85d3502dcc932b126250a2de67d056ebe001a13f7331674f1baa33488593e807914d8bba710b207a4c2df1626daa
ripemd-160 b3f14eae319afd83129d2ada089a0463462a9f1c

81004045 as geometric shapes

Circle

Radius = n
Diameter 162008090
Circumference 508963425.36611
Area 2.0614048105855E+16

Sphere

Radius = n
Volume 2.2264283738652E+24
Surface area 8.2456192423422E+16
Circumference 508963425.36611

Square

Length = n
Perimeter 324016180
Area 6561655306362025
Diagonal 114557019.04608

Cube

Length = n
Surface area 39369931838172150
Volume 5.3152062171104E+23
Space diagonal 140303121.5586

Equilateral Triangle

Length = n
Perimeter 243012135
Area 2.8412800930932E+15
Altitude 70151560.779298

Triangular Pyramid

Length = n
Surface area 2.8412800930932E+15
Volume 6.2640305992061E+22
Height 38185673.01536