81016965 (number)

81016965 is an odd 8-digits composite number following 81016964 and preceding 81016966. In scientific notation, it is written as 8.1016965 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 43209024 positive integers (up to 81016965) that are relatively prime to 81016965.

Interesting facts

Basic properties

Name

Name eighty-one million sixteen thousand nine hundred sixty-five

Notation

Scientific notation 8.1016965 × 10^7
Engineering notation 8.1016965 × 10^6

Prime Factorization of 81016965

Prime Factorization 3 × 3 × 5 × 1800377

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 27005655
Product of the distinct prime numbers

The prime factorization of 81016965 is 3 × 3 × 5 × 1800377. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 90, 73, 140, 196, 8189, 8416, 74992, 95601, 304543, 768508, 2357845, 9955184, 54311191, 32058795, 920750114, 544176148, 6776269638, 8280405755

Basic calculations (n = 81016965)

Multiplication

n×y
n×2 162033930
n×3 243050895
n×4 324067860
n×5 405084825

Division

n÷y
n÷2 40508482.5
n÷3 27005655
n÷3 20254241.25
n÷5 16203393

Exponentiation

ny
n2 6563748617811225
n3 5.3177499203801E+23
n4 4.3082795917819E+31
n5 3.4904373689761E+39

Nth Root

y√n
2√n 9000.9424506548
3√n 432.70507609956
4√n 94.873296826108
5√n 38.169387768531

Divisors of 81016965

1, 3, 5, 9, 15, 45, 1800377, 5401131, 9001885, 16203393, 27005655, 81016965

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 -81016964
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 81016965 can be divided by 12 positive divisors. The sum of these divisors (counting 81016965) is 1, the average is 0.083333333333333.

Base conversion 81016965

Base System Value
2 Binary 100110101000011100010000101
3 Ternary 12122110002101100
4 Quaternary 10311003202011
5 Quinary 131220020330
6 Senary 12012250313
8 Octal 465034205
10 Decimal 81016965
12 Duodecimal 23170999
16 Hexadecimal 4d43885
20 Vigesimal 1567285
36 Base36 1c8h39

Cryptographic Hash Functions

md5 cac2dc51892a97f012fdda69a5f155c3
sha1 b8e87d810ee51e060977356412ec488f621787f2
sha256 bd011e855b848001ae6db70c0dcafae489444551d84484226a5c2c3713ac9355
sha512 029a19819ecb6d8c706129435416e7410147da6782fa6512d5abe68ef00488e97164f7369bc7e6d43efcb5926e175cf437a9f368e54585e550dddc203f562e1f
ripemd-160 d759afea51982c9429a773a67b11b0def2884535

81016965 as geometric shapes

Circle

Radius = n
Diameter 162033930
Circumference 509044604.12028
Area 2.0620624437726E+16

Sphere

Radius = n
Volume 2.2274938777992E+24
Surface area 8.2482497750904E+16
Circumference 509044604.12028

Square

Length = n
Perimeter 324067860
Area 6563748617811225
Diagonal 114575290.68531

Cube

Length = n
Surface area 39382491706867350
Volume 5.3177499203801E+23
Space diagonal 140325499.65503

Equilateral Triangle

Length = n
Perimeter 243050895
Area 2.8421865235398E+15
Altitude 70162749.827515

Triangular Pyramid

Length = n
Surface area 2.8421865235398E+15
Volume 6.2670283822583E+22
Height 38191763.561769