81630266 (number)

81630266 is an even 8-digits composite number following 81630265 and preceding 81630267. In scientific notation, it is written as 8.1630266 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 38054016 positive integers (up to 81630266) that are relatively prime to 81630266.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred thirty thousand two hundred sixty-six

Notation

Scientific notation 8.1630266 × 10^7
Engineering notation 8.1630266 × 10^6

Prime Factorization of 81630266

Prime Factorization 2 × 23 × 89 × 157 × 127

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81630266
Product of the distinct prime numbers

The prime factorization of 81630266 is 2 × 23 × 89 × 157 × 127. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 88, 72, 969, 421, 5585, 1318, 48462, 17228, 134592, 416422, 1364870, 7850753, 12178356, 22912013, 518211918, 593417357, 4580824077, 1584706102

Basic calculations (n = 81630266)

Multiplication

n×y
n×2 163260532
n×3 244890798
n×4 326521064
n×5 408151330

Division

n÷y
n÷2 40815133
n÷3 27210088.666667
n÷3 20407566.5
n÷5 16326053.2

Exponentiation

ny
n2 6663500327230756
n3 5.4394330420293E+23
n4 4.4402236611004E+31
n5 3.6245663855512E+39

Nth Root

y√n
2√n 9034.9469284551
3√n 433.79419620691
4√n 95.052337837925
5√n 38.227002269931

Divisors of 81630266

1, 2, 23, 46, 89, 127, 157, 178, 254, 314, 2047, 2921, 3611, 4094, 5842, 7222, 11303, 13973, 19939, 22606, 27946, 39878, 259969, 321379, 458597, 519938, 642758, 917194, 1774571, 3549142, 40815133, 81630266

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 -81630265
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 81630266 can be divided by 32 positive divisors. The sum of these divisors (counting 81630266) is 1, the average is 0.03125.

Base conversion 81630266

Base System Value
2 Binary 100110111011001010000111010
3 Ternary 12200121020200012
4 Quaternary 10313121100322
5 Quinary 131344132031
6 Senary 12033341522
8 Octal 467312072
10 Decimal 81630266
12 Duodecimal 234078a2
16 Hexadecimal 4dd943a
20 Vigesimal 15a3fd6
36 Base36 1clmbe

Cryptographic Hash Functions

md5 35bdb6238b86323b7dc44cafbe8321ae
sha1 4287202bef795817bf5b302fe2fc0ae06a01e7b4
sha256 7693ba9e087f2c5e8870cf34fa96c367929b278e4d60cee0159b60c8b848b276
sha512 6956672b5d4ac37e89269646b3af5d780bae907d23d115c890f266b717a7d25827f15022f4746e7e629858de47d0b997a0818020dc7265f4a5c07d2652e59eb4
ripemd-160 5e60f1d23383b467c5821fc78e57539bfa33dd67

81630266 as geometric shapes

Circle

Radius = n
Diameter 163260532
Circumference 512898087.95236
Area 2.0934003675221E+16

Sphere

Radius = n
Volume 2.2784643846044E+24
Surface area 8.3736014700885E+16
Circumference 512898087.95236

Square

Length = n
Perimeter 326521064
Area 6663500327230756
Diagonal 115442629.27732

Cube

Length = n
Surface area 39981001963384536
Volume 5.4394330420293E+23
Space diagonal 141387768.14736

Equilateral Triangle

Length = n
Perimeter 244890798
Area 2.8853802807539E+15
Altitude 70693884.073681

Triangular Pyramid

Length = n
Surface area 2.8853802807539E+15
Volume 6.4104333163819E+22
Height 38480876.425774