81004040 (number)

81004040 is an even 8-digits composite number following 81004039 and preceding 81004041. In scientific notation, it is written as 8.1004040 × 10^7. The sum of its digits is 17. It has a total of 6 prime factors and 32 positive divisors. There are 29908992 positive integers (up to 81004040) that are relatively prime to 81004040.

Interesting facts

Basic properties

Name

Name eighty-one million four thousand forty

Notation

Scientific notation 8.1004040 × 10^7
Engineering notation 8.1004040 × 10^6

Prime Factorization of 81004040

Prime Factorization 2 × 2 × 2 × 13 × 5 × 155777

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20251010
Product of the distinct prime numbers

The prime factorization of 81004040 is 2 × 2 × 2 × 13 × 5 × 155777. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 6, 64, 98, 416, 461, 4318, 5088, 21770, 20852, 982616, 544112, 4177268, 982952, 3792348, 8746972, 135877354, 477459293, 2244400857, 101517047

Basic calculations (n = 81004040)

Multiplication

n×y
n×2 162008080
n×3 243012120
n×4 324016160
n×5 405020200

Division

n÷y
n÷2 40502020
n÷3 27001346.666667
n÷3 20251010
n÷5 16200808

Exponentiation

ny
n2 6561654496321600
n3 5.3152052328621E+23
n4 4.3055309729097E+31
n5 3.4876540315082E+39

Nth Root

y√n
2√n 9000.2244416459
3√n 432.68206441493
4√n 94.869512709015
5√n 38.168169824063

Divisors of 81004040

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 155777, 311554, 623108, 778885, 1246216, 1557770, 2025101, 3115540, 4050202, 6231080, 8100404, 10125505, 16200808, 20251010, 40502020, 81004040

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81004039
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81004040 can be divided by 32 positive divisors. The sum of these divisors (counting 81004040) is 1, the average is 0.03125.

Base conversion 81004040

Base System Value
2 Binary 100110101000000011000001000
3 Ternary 12122102102122122
4 Quaternary 10311000120020
5 Quinary 131214112130
6 Senary 12012110412
8 Octal 465003010
10 Decimal 81004040
12 Duodecimal 23165408
16 Hexadecimal 4d40608
20 Vigesimal 1565a20
36 Base36 1c8748

Cryptographic Hash Functions

md5 5590804116a06dc9e8185320deed7332
sha1 f83d2e69d01938311a1bd2d5264ee9cadf420c8d
sha256 48a5d8bed15c4cfa4e8eeb3491499b6798807ca014aa3b900225e1f97132d6bd
sha512 fcbb0b1b33e9965d22e0c00f18652e0b8f48c11a18e589d64fab53060041b0bca68a365d0308d6529bd02a72c9fc086991d777d48e2eb8920d9fc18c6ca5b0b9
ripemd-160 dd0b12e8c71338b410630e6959559d4d8f71858d

81004040 as geometric shapes

Circle

Radius = n
Diameter 162008080
Circumference 508963393.95019
Area 2.0614045561038E+16

Sphere

Radius = n
Volume 2.2264279615842E+24
Surface area 8.2456182244153E+16
Circumference 508963393.95019

Square

Length = n
Perimeter 324016160
Area 6561654496321600
Diagonal 114557011.97501

Cube

Length = n
Surface area 39369926977929600
Volume 5.3152052328621E+23
Space diagonal 140303112.89834

Equilateral Triangle

Length = n
Perimeter 243012120
Area 2.8412797423354E+15
Altitude 70151556.449171

Triangular Pyramid

Length = n
Surface area 2.8412797423354E+15
Volume 6.2640294392584E+22
Height 38185670.658338