81004080 (number)

81004080 is an even 8-digits composite number following 81004079 and preceding 81004081. In scientific notation, it is written as 8.1004080 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 40 positive divisors. There are 21601024 positive integers (up to 81004080) that are relatively prime to 81004080.

Interesting facts

Basic properties

Name

Name eighty-one million four thousand eighty

Notation

Scientific notation 8.1004080 × 10^7
Engineering notation 8.1004080 × 10^6

Prime Factorization of 81004080

Prime Factorization 2 × 2 × 2 × 2 × 3 × 5 × 337517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10125510
Product of the distinct prime numbers

The prime factorization of 81004080 is 2 × 2 × 2 × 2 × 3 × 5 × 337517. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 8, 74, 5, 96, 952, 601, 7789, 91645, 5778, 21882, 209277, 973750, 5642555, 67350273, 76602004, 477371390, 52164068, 1074553590, 3768196060

Basic calculations (n = 81004080)

Multiplication

n×y
n×2 162008160
n×3 243012240
n×4 324016320
n×5 405020400

Division

n÷y
n÷2 40502040
n÷3 27001360
n÷3 20251020
n÷5 16200816

Exponentiation

ny
n2 6561660976646400
n3 5.3152131068514E+23
n4 4.3055394772444E+31
n5 3.4876626425787E+39

Nth Root

y√n
2√n 9000.2266638124
3√n 432.68213563475
4√n 94.869524420714
5√n 38.16817359357

Divisors of 81004080

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 337517, 675034, 1012551, 1350068, 1687585, 2025102, 2700136, 3375170, 4050204, 5062755, 5400272, 6750340, 8100408, 10125510, 13500680, 16200816, 20251020, 27001360, 40502040, 81004080

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81004079
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81004080 can be divided by 40 positive divisors. The sum of these divisors (counting 81004080) is 1, the average is 0.025.

Base conversion 81004080

Base System Value
2 Binary 100110101000000011000110000
3 Ternary 12122102102201010
4 Quaternary 10311000120300
5 Quinary 131214112310
6 Senary 12012110520
8 Octal 465003060
10 Decimal 81004080
12 Duodecimal 23165440
16 Hexadecimal 4d40630
20 Vigesimal 1565a40
36 Base36 1c875c

Cryptographic Hash Functions

md5 5cb917d9ed8d6cf69ff046693e7947bf
sha1 c78d3427fcd633cda471d9b1e854f3d0012fdd70
sha256 61179653f772de6737b895183e0bf3843bd3297726a5924cc8445bf1cf8afad0
sha512 22c55e6772295e32786214bc8b8635cb3ec59c8a5de62dca3db20f3fa7c6217077778dbd79dbef5a09124aaf9807ddf3091d37b3579a7a044c02fd2eed163f2e
ripemd-160 1cc9bc76af1afa9b70175618758caf7ad3b89a61

81004080 as geometric shapes

Circle

Radius = n
Diameter 162008160
Circumference 508963645.2776
Area 2.0614065919579E+16

Sphere

Radius = n
Volume 2.2264312598332E+24
Surface area 8.2456263678317E+16
Circumference 508963645.2776

Square

Length = n
Perimeter 324016320
Area 6561660976646400
Diagonal 114557068.54356

Cube

Length = n
Surface area 39369965859878400
Volume 5.3152131068514E+23
Space diagonal 140303182.18037

Equilateral Triangle

Length = n
Perimeter 243012240
Area 2.8412825483984E+15
Altitude 70151591.090187

Triangular Pyramid

Length = n
Surface area 2.8412825483984E+15
Volume 6.2640387188438E+22
Height 38185689.514518