81016711 (number)

81016711 is an odd 8-digits composite number following 81016710 and preceding 81016712. In scientific notation, it is written as 8.1016711 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 80951992 positive integers (up to 81016711) that are relatively prime to 81016711.

Interesting facts

Basic properties

Name

Name eighty-one million sixteen thousand seven hundred eleven

Notation

Scientific notation 8.1016711 × 10^7
Engineering notation 8.1016711 × 10^6

Prime Factorization of 81016711

Prime Factorization 1277 × 63443

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81016711
Product of the distinct prime numbers

The prime factorization of 81016711 is 1277 × 63443. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81016711)

Multiplication

n×y
n×2 162033422
n×3 243050133
n×4 324066844
n×5 405083555

Division

n÷y
n÷2 40508355.5
n÷3 27005570.333333
n÷3 20254177.75
n÷5 16203342.2

Exponentiation

ny
n2 6563707461257521
n3 5.3176999047724E+23
n4 4.3082255636968E+31
n5 3.4903826541683E+39

Nth Root

y√n
2√n 9000.9283410102
3√n 432.70462390125
4√n 94.873222465615
5√n 38.169363835181

Divisors of 81016711

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81016710
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81016711 can be divided by 4 positive divisors. The sum of these divisors (counting 81016711) is 1, the average is 0.25.

Base conversion 81016711

Base System Value
2 Binary 100110101000011011110000111
3 Ternary 12122110002000221
4 Quaternary 10311003132013
5 Quinary 131220013321
6 Senary 12012245211
8 Octal 465033607
10 Decimal 81016711
12 Duodecimal 23170807
16 Hexadecimal 4d43787
20 Vigesimal 15671fb
36 Base36 1c8gw7

Cryptographic Hash Functions

md5 4417c24100922aba3f79a47a6ecc4e2f
sha1 0d2b27093ba5d6b7119a8ede0d464396fda417f1
sha256 cbe426bd5a28d4089b4d29fdc457662867cd0523f4bd05d6e6c713a6b3789c33
sha512 2e98725e70db87df59a8f933f441eb91575faa62b3b9f9eb69e7d76d8e64005f6c4a24dd773678a26caf20721a92b7762c60a643a72ae8888f3ace87879bd7cc
ripemd-160 d010f79413e24a43ced914afe0c5fca6439781d0

81016711 as geometric shapes

Circle

Radius = n
Diameter 162033422
Circumference 509043008.19121
Area 2.0620495140599E+16

Sphere

Radius = n
Volume 2.2274729273104E+24
Surface area 8.2481980562397E+16
Circumference 509043008.19121

Square

Length = n
Perimeter 324066844
Area 6563707461257521
Diagonal 114574931.47506

Cube

Length = n
Surface area 39382244767545126
Volume 5.3176999047724E+23
Space diagonal 140325059.71412

Equilateral Triangle

Length = n
Perimeter 243050133
Area 2.8421687022292E+15
Altitude 70162529.857062

Triangular Pyramid

Length = n
Surface area 2.8421687022292E+15
Volume 6.2669694382994E+22
Height 38191643.825021