81090717 (number)

81090717 is an odd 8-digits composite number following 81090716 and preceding 81090718. In scientific notation, it is written as 8.1090717 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 52235712 positive integers (up to 81090717) that are relatively prime to 81090717.

Interesting facts

Basic properties

Name

Name eighty-one million ninety thousand seven hundred seventeen

Notation

Scientific notation 8.1090717 × 10^7
Engineering notation 8.1090717 × 10^6

Prime Factorization of 81090717

Prime Factorization 3 × 149 × 37 × 4903

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81090717
Product of the distinct prime numbers

The prime factorization of 81090717 is 3 × 149 × 37 × 4903. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81090717)

Multiplication

n×y
n×2 162181434
n×3 243272151
n×4 324362868
n×5 405453585

Division

n÷y
n÷2 40545358.5
n÷3 27030239
n÷3 20272679.25
n÷5 16218143.4

Exponentiation

ny
n2 6575704383574089
n3 5.3322858324407E+23
n4 4.3239888140155E+31
n5 3.506353532285E+39

Nth Root

y√n
2√n 9005.0384230163
3√n 432.83633743865
4√n 94.894880910491
5√n 38.176334570826

Divisors of 81090717

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 -81090716
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 81090717 can be divided by 16 positive divisors. The sum of these divisors (counting 81090717) is 1, the average is 0.0625.

Base conversion 81090717

Base System Value
2 Binary 100110101010101100010011101
3 Ternary 12122120211112220
4 Quaternary 10311111202131
5 Quinary 131224400332
6 Senary 12014015553
8 Octal 465254235
10 Decimal 81090717
12 Duodecimal 231a75b9
16 Hexadecimal 4d5589d
20 Vigesimal 156g6fh
36 Base36 1ca1zx

Cryptographic Hash Functions

md5 9310dd986e84062a1863a6733af15f5e
sha1 63bd66065a5abbb3e5d20e103fdce85e1ea774a8
sha256 9943e7e3759a8d2065a47da0b6bd4d2b489db58b8a4a952130d98d8ff49a32ae
sha512 724c4dd574501874d79e7e3564fce9ee1aa8cf665c0a5067c029c55808c359ee40378d9718eddc710e89981e048202baaed06214375de2b634de12a1179b6384
ripemd-160 71ab168dec45f66840b3c018778ce4fd39e3599b

81090717 as geometric shapes

Circle

Radius = n
Diameter 162181434
Circumference 509508001.60306
Area 2.0658184583615E+16

Sphere

Radius = n
Volume 2.2335826664049E+24
Surface area 8.2632738334458E+16
Circumference 509508001.60306

Square

Length = n
Perimeter 324362868
Area 6575704383574089
Diagonal 114679591.76396

Cube

Length = n
Surface area 39454226301444534
Volume 5.3322858324407E+23
Space diagonal 140453241.86619

Equilateral Triangle

Length = n
Perimeter 243272151
Area 2.8473635219759E+15
Altitude 70226620.933095

Triangular Pyramid

Length = n
Surface area 2.8473635219759E+15
Volume 6.2841591189062E+22
Height 38226530.587986