81692012 (number)

81692012 is an even 8-digits composite number following 81692011 and preceding 81692013. In scientific notation, it is written as 8.1692012 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 40471056 positive integers (up to 81692012) that are relatively prime to 81692012.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred ninety-two thousand twelve

Notation

Scientific notation 8.1692012 × 10^7
Engineering notation 8.1692012 × 10^6

Prime Factorization of 81692012

Prime Factorization 2 × 2 × 109 × 187367

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40846006
Product of the distinct prime numbers

The prime factorization of 81692012 is 2 × 2 × 109 × 187367. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 62, 19, 242, 216, 1996, 5701, 39975, 66758, 846123, 753020, 2399496, 5552883, 59969309, 12212947, 616141399, 85751384, 2057233985, 3211702095

Basic calculations (n = 81692012)

Multiplication

n×y
n×2 163384024
n×3 245076036
n×4 326768048
n×5 408460060

Division

n÷y
n÷2 40846006
n÷3 27230670.666667
n÷3 20423003
n÷5 16338402.4

Exponentiation

ny
n2 6673584824608144
n3 5.4517857157491E+23
n4 4.453673441124E+31
n5 3.6382954419638E+39

Nth Root

y√n
2√n 9038.3633474208
3√n 433.90354415299
4√n 95.070307391008
5√n 38.232783583063

Divisors of 81692012

1, 2, 4, 109, 218, 436, 187367, 374734, 749468, 20423003, 40846006, 81692012

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81692011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81692012 can be divided by 12 positive divisors. The sum of these divisors (counting 81692012) is 1, the average is 0.083333333333333.

Base conversion 81692012

Base System Value
2 Binary 100110111101000010101101100
3 Ternary 12200201101101002
4 Quaternary 10313220111230
5 Quinary 131403121022
6 Senary 12034535432
8 Octal 467502554
10 Decimal 81692012
12 Duodecimal 23437578
16 Hexadecimal 4de856c
20 Vigesimal 15aba0c
36 Base36 1cmxyk

Cryptographic Hash Functions

md5 cbcf58316ca4b710383228d3e4f5c2ce
sha1 9db134fed86941f04164f383c5b56f7ebd0d0b22
sha256 cbdc8ed667eec3cf4f5a1796a270c1ecfcd528b8497fc5370976ee30af49936b
sha512 963e850612ed32d3afe4f328a77f8829ad356a4679769ae1f1e716ecfe253126b79f1cb3bd8ed32ac47c02407f84f99a938c7376ed814a14b25b21f4a86d00b1
ripemd-160 b04c41eb67d84d3cb3df243b21d48d7b4578fb8e

81692012 as geometric shapes

Circle

Radius = n
Diameter 163384024
Circumference 513286049.51234
Area 2.0965685058097E+16

Sphere

Radius = n
Volume 2.2836386604724E+24
Surface area 8.3862740232389E+16
Circumference 513286049.51234

Square

Length = n
Perimeter 326768048
Area 6673584824608144
Diagonal 115529951.30795

Cube

Length = n
Surface area 40041508947648864
Volume 5.4517857157491E+23
Space diagonal 141494715.35653

Equilateral Triangle

Length = n
Perimeter 245076036
Area 2.8897469962105E+15
Altitude 70747357.678263

Triangular Pyramid

Length = n
Surface area 2.8897469962105E+15
Volume 6.4249910819702E+22
Height 38509983.769315