81042012 (number)

81042012 is an even 8-digits composite number following 81042011 and preceding 81042013. In scientific notation, it is written as 8.1042012 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 26936064 positive integers (up to 81042012) that are relatively prime to 81042012.

Interesting facts

Basic properties

Name

Name eighty-one million forty-two thousand twelve

Notation

Scientific notation 8.1042012 × 10^7
Engineering notation 8.1042012 × 10^6

Prime Factorization of 81042012

Prime Factorization 2 × 2 × 27 × 1733 × 433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40521006
Product of the distinct prime numbers

The prime factorization of 81042012 is 2 × 2 × 27 × 1733 × 433. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 26, 83, 298, 269, 6711, 3500, 1911, 72445, 606633, 562215, 4329720, 6608774, 45645386, 38734223, 268518392, 503810977, 865058910, 7495362181

Basic calculations (n = 81042012)

Multiplication

n×y
n×2 162084024
n×3 243126036
n×4 324168048
n×5 405210060

Division

n÷y
n÷2 40521006
n÷3 27014004
n÷3 20260503
n÷5 16208402.4

Exponentiation

ny
n2 6567807709008144
n3 5.3226835116713E+23
n4 4.3136098102507E+31
n5 3.4958361800565E+39

Nth Root

y√n
2√n 9002.3336974365
3√n 432.74966284076
4√n 94.880628673278
5√n 38.171747547009

Divisors of 81042012

1, 2, 4, 27, 54, 108, 433, 866, 1732, 1733, 3466, 6932, 11691, 23382, 46764, 46791, 93582, 187164, 750389, 1500778, 3001556, 20260503, 40521006, 81042012

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81042011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81042012 can be divided by 24 positive divisors. The sum of these divisors (counting 81042012) is 1, the average is 0.041666666666667.

Base conversion 81042012

Base System Value
2 Binary 100110101001001101001011100
3 Ternary 12122111100202000
4 Quaternary 10311021221130
5 Quinary 131221321022
6 Senary 12013002300
8 Octal 465115134
10 Decimal 81042012
12 Duodecimal 23183390
16 Hexadecimal 4d49a5c
20 Vigesimal 156a50c
36 Base36 1c90f0

Cryptographic Hash Functions

md5 ddea141491640045d45002087df976ed
sha1 7641499ce07f69ef61ad1b103ad2a9e58a5ba410
sha256 960f87ff749e7cec63125c2e8bf55236f05d407e60a8a4891aceba175b699f28
sha512 01949b0ccf64e99eb813ff2ca5c97f33d6a1960ec7a7a61ef9368aef7135bcb8f0f4f300d1c867bf60b32428318433b886a5705b4a25b905cc8b971f76ca9794
ripemd-160 0f88ccb1284613fe6acd87e6631f3ed6120fa653

81042012 as geometric shapes

Circle

Radius = n
Diameter 162084024
Circumference 509201979.06267
Area 2.063337644881E+16

Sphere

Radius = n
Volume 2.2295604556867E+24
Surface area 8.2533505795242E+16
Circumference 509201979.06267

Square

Length = n
Perimeter 324168048
Area 6567807709008144
Diagonal 114610712.4924

Cube

Length = n
Surface area 39406846254048864
Volume 5.3226835116713E+23
Space diagonal 140368882.33161

Equilateral Triangle

Length = n
Perimeter 243126036
Area 2.8439441615862E+15
Altitude 70184441.165803

Triangular Pyramid

Length = n
Surface area 2.8439441615862E+15
Volume 6.2728426753543E+22
Height 38203570.830801