81214966 (number)

81214966 is an even 8-digits composite number following 81214965 and preceding 81214967. In scientific notation, it is written as 8.1214966 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 34065576 positive integers (up to 81214966) that are relatively prime to 81214966.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred fourteen thousand nine hundred sixty-six

Notation

Scientific notation 8.1214966 × 10^7
Engineering notation 8.1214966 × 10^6

Prime Factorization of 81214966

Prime Factorization 2 × 7 × 47 × 123427

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81214966
Product of the distinct prime numbers

The prime factorization of 81214966 is 2 × 7 × 47 × 123427. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 50, 55, 333, 212, 2660, 7413, 49288, 17445, 136428, 686091, 7035316, 4533101, 1628703, 69380557, 455460243, 684105805, 6390871831, 638905177

Basic calculations (n = 81214966)

Multiplication

n×y
n×2 162429932
n×3 243644898
n×4 324859864
n×5 406074830

Division

n÷y
n÷2 40607483
n÷3 27071655.333333
n÷3 20303741.5
n÷5 16242993.2

Exponentiation

ny
n2 6595870702381156
n3 5.3568341483428E+23
n4 4.350551032253E+31
n5 3.5332985416569E+39

Nth Root

y√n
2√n 9011.9346424616
3√n 433.05729178075
4√n 94.931210054763
5√n 38.188026333039

Divisors of 81214966

1, 2, 7, 14, 47, 94, 329, 658, 123427, 246854, 863989, 1727978, 5801069, 11602138, 40607483, 81214966

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81214965
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81214966 can be divided by 16 positive divisors. The sum of these divisors (counting 81214966) is 1, the average is 0.0625.

Base conversion 81214966

Base System Value
2 Binary 100110101110011110111110110
3 Ternary 12122211010222201
4 Quaternary 10311303313312
5 Quinary 131242334331
6 Senary 12020415114
8 Octal 465636766
10 Decimal 81214966
12 Duodecimal 2324749a
16 Hexadecimal 4d73df6
20 Vigesimal 157bh86
36 Base36 1ccpva

Cryptographic Hash Functions

md5 b82a34b8d77a5f912f8ced1f4e32ff17
sha1 d02b32239ee548a888c06c084da8d3685ac1b456
sha256 e9aae60d921e4dc93d17ebdb9929cdcdf58d84475470d803774f35c70c132e9a
sha512 4796967a0b16dd36bb85638138dfa5038ed7a76f7fc4a11acdd886cdca3ccbb1834a4d8eeb80108133859bcdb761abcdab19d0946e7271c86def1e9ed7eca143
ripemd-160 47d5784f89056a1c334486538171f287a6c9adc5

81214966 as geometric shapes

Circle

Radius = n
Diameter 162429932
Circumference 510288681.09429
Area 2.0721538942629E+16

Sphere

Radius = n
Volume 2.2438654409244E+24
Surface area 8.2886155770515E+16
Circumference 510288681.09429

Square

Length = n
Perimeter 324859864
Area 6595870702381156
Diagonal 114855306.38487

Cube

Length = n
Surface area 39575224214286936
Volume 5.3568341483428E+23
Space diagonal 140668447.44698

Equilateral Triangle

Length = n
Perimeter 243644898
Area 2.8560957941698E+15
Altitude 70334223.723489

Triangular Pyramid

Length = n
Surface area 2.8560957941698E+15
Volume 6.3130895866415E+22
Height 38285102.12829