81862012 (number)

81862012 is an even 8-digits composite number following 81862011 and preceding 81862013. In scientific notation, it is written as 8.1862012 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 39014976 positive integers (up to 81862012) that are relatively prime to 81862012.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred sixty-two thousand twelve

Notation

Scientific notation 8.1862012 × 10^7
Engineering notation 8.1862012 × 10^6

Prime Factorization of 81862012

Prime Factorization 2 × 2 × 29 × 79 × 8933

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40931006
Product of the distinct prime numbers

The prime factorization of 81862012 is 2 × 2 × 29 × 79 × 8933. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 7, 19, 54, 181, 577, 9005, 1233, 39102, 78316, 349352, 431625, 9803745, 1344738, 85577905, 78006309, 254706916, 423430941, 1182903691, 8534956860

Basic calculations (n = 81862012)

Multiplication

n×y
n×2 163724024
n×3 245586036
n×4 327448048
n×5 409310060

Division

n÷y
n÷2 40931006
n÷3 27287337.333333
n÷3 20465503
n÷5 16372402.4

Exponentiation

ny
n2 6701389008688144
n3 5.485891874459E+23
n4 4.4908614645766E+31
n5 3.6763095510351E+39

Nth Root

y√n
2√n 9047.7628174041
3√n 434.20431813217
4√n 95.119728854765
5√n 38.248682737913

Divisors of 81862012

1, 2, 4, 29, 58, 79, 116, 158, 316, 2291, 4582, 8933, 9164, 17866, 35732, 259057, 518114, 705707, 1036228, 1411414, 2822828, 20465503, 40931006, 81862012

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 -81862011
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 81862012 can be divided by 24 positive divisors. The sum of these divisors (counting 81862012) is 1, the average is 0.041666666666667.

Base conversion 81862012

Base System Value
2 Binary 100111000010001110101111100
3 Ternary 12201001000120101
4 Quaternary 10320101311330
5 Quinary 131424041022
6 Senary 12042330444
8 Octal 470216574
10 Decimal 81862012
12 Duodecimal 234b9a24
16 Hexadecimal 4e11d7c
20 Vigesimal 15bcf0c
36 Base36 1cql4s

Cryptographic Hash Functions

md5 39b461be96479a2b29889aafdb5b46c6
sha1 d83fd8fd6a984d2a65c543bd298d4e6f75d527c5
sha256 a495d5797b8e2e2d7a82c2a91e2c2e5129311c6c0315a925bf4a2946c52d7f5d
sha512 a0a9f6e60fa59665e627189b70668f2373e52de7bbaf5bb9589569f4dcbbc3988c09ffa087b6b4bba2e5cd4f4590a140084dd25525d6af448e22d5fcfb846454
ripemd-160 87edd4b8bf1bfb63c5a9b0ac1b6f4236787cebb6

81862012 as geometric shapes

Circle

Radius = n
Diameter 163724024
Circumference 514354191.01456
Area 2.1053034478542E+16

Sphere

Radius = n
Volume 2.2979250148251E+24
Surface area 8.4212137914168E+16
Circumference 514354191.01456

Square

Length = n
Perimeter 327448048
Area 6701389008688144
Diagonal 115770367.61355

Cube

Length = n
Surface area 40208334052128864
Volume 5.485891874459E+23
Space diagonal 141789163.99381

Equilateral Triangle

Length = n
Perimeter 245586036
Area 2.9017865610829E+15
Altitude 70894581.996907

Triangular Pyramid

Length = n
Surface area 2.9017865610829E+15
Volume 6.4651855754769E+22
Height 38590122.53785