81775992 (number)

81775992 is an even 8-digits composite number following 81775991 and preceding 81775993. In scientific notation, it is written as 8.1775992 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 16 positive divisors. There are 27258656 positive integers (up to 81775992) that are relatively prime to 81775992.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seventy-five thousand nine hundred ninety-two

Notation

Scientific notation 8.1775992 × 10^7
Engineering notation 8.1775992 × 10^6

Prime Factorization of 81775992

Prime Factorization 2 × 2 × 2 × 3 × 3407333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20443998
Product of the distinct prime numbers

The prime factorization of 81775992 is 2 × 2 × 2 × 3 × 3407333. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 10, 37, 73, 498, 730, 662, 5053, 16513, 84317, 422574, 317406, 4844965, 9815722, 76200390, 37537396, 634867948, 851953138, 6416064521, 2593389190

Basic calculations (n = 81775992)

Multiplication

n×y
n×2 163551984
n×3 245327976
n×4 327103968
n×5 408879960

Division

n÷y
n÷2 40887996
n÷3 27258664
n÷3 20443998
n÷5 16355198.4

Exponentiation

ny
n2 6687312867584064
n3 5.4686164356105E+23
n4 4.4720153388955E+31
n5 3.657034905774E+39

Nth Root

y√n
2√n 9043.0079066647
3√n 434.05217859625
4√n 95.094731224525
5√n 38.240641070263

Divisors of 81775992

1, 2, 3, 4, 6, 8, 12, 24, 3407333, 6814666, 10221999, 13629332, 20443998, 27258664, 40887996, 81775992

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 -81775991
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 81775992 can be divided by 16 positive divisors. The sum of these divisors (counting 81775992) is 1, the average is 0.0625.

Base conversion 81775992

Base System Value
2 Binary 100110111111100110101111000
3 Ternary 12200212122120110
4 Quaternary 10313330311320
5 Quinary 131413312432
6 Senary 12040424320
8 Octal 467746570
10 Decimal 81775992
12 Duodecimal 234780a0
16 Hexadecimal 4dfcd78
20 Vigesimal 15b1jjc
36 Base36 1coqrc

Cryptographic Hash Functions

md5 2c65bc16a80ba7e2e5389da0f2bb5856
sha1 acb06080f92bc716bfe108e64308a7b255bb08fc
sha256 0e283d5afab26de2e1088efe4edacae65c9d66ea2d8e23e367c4bae7de1c4af7
sha512 837d2628518e12e803b35fa5a6a54fb075e5fc3dcd370d58fd4e500c645fcc2063fc94365e8758a76863b275100200322a5565ef324cecf52bab10ab81ef13ba
ripemd-160 cbbc4db8bf847118f4966f8fadc7872ee536ab70

81775992 as geometric shapes

Circle

Radius = n
Diameter 163551984
Circumference 513813711.41444
Area 2.1008812977059E+16

Sphere

Radius = n
Volume 2.2906886959219E+24
Surface area 8.4035251908234E+16
Circumference 513813711.41444

Square

Length = n
Perimeter 327103968
Area 6687312867584064
Diagonal 115648716.96291

Cube

Length = n
Surface area 40123877205504384
Volume 5.4686164356105E+23
Space diagonal 141640172.98335

Equilateral Triangle

Length = n
Perimeter 245327976
Area 2.8956914131912E+15
Altitude 70820086.491673

Triangular Pyramid

Length = n
Surface area 2.8956914131912E+15
Volume 6.4448262755473E+22
Height 38549572.320971