81738963 (number)

81738963 is an odd 8-digits composite number following 81738962 and preceding 81738964. In scientific notation, it is written as 8.1738963 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 52617600 positive integers (up to 81738963) that are relatively prime to 81738963.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand nine hundred sixty-three

Notation

Scientific notation 8.1738963 × 10^7
Engineering notation 8.1738963 × 10^6

Prime Factorization of 81738963

Prime Factorization 9 × 14213 × 9 × 71

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9082107
Product of the distinct prime numbers

The prime factorization of 81738963 is 9 × 14213 × 9 × 71. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 55, 41, 849, 422, 796, 9611, 33888, 12497, 401619, 289891, 2088764, 375698, 84310762, 17167370, 64179787, 14742105, 6836245850, 7196043956

Basic calculations (n = 81738963)

Multiplication

n×y
n×2 163477926
n×3 245216889
n×4 326955852
n×5 408694815

Division

n÷y
n÷2 40869481.5
n÷3 27246321
n÷3 20434740.75
n÷5 16347792.6

Exponentiation

ny
n2 6681258072315369
n3 5.4611910636644E+23
n4 4.4639209428879E+31
n5 3.6487626878564E+39

Nth Root

y√n
2√n 9040.9602919159
3√n 433.98665429312
4√n 95.083964431001
5√n 38.237177292674

Divisors of 81738963

1, 9, 71, 81, 639, 5751, 14213, 127917, 1009123, 1151253, 9082107, 81738963

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 -81738962
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 81738963 can be divided by 12 positive divisors. The sum of these divisors (counting 81738963) is 1, the average is 0.083333333333333.

Base conversion 81738963

Base System Value
2 Binary 100110111110011110011010011
3 Ternary 12200210202210000
4 Quaternary 10313303303103
5 Quinary 131411121323
6 Senary 12035541043
8 Octal 467636323
10 Decimal 81738963
12 Duodecimal 2345a783
16 Hexadecimal 4df3cd3
20 Vigesimal 15ah783
36 Base36 1cny6r

Cryptographic Hash Functions

md5 b0ebe4a5b9a0c899e39e5500ceb7cb27
sha1 c61e3bd6b2b79bedcc1dfd499541b4742914e74b
sha256 febef7c3d1eeffd3c4f80952683884349ea7cac9737eade6b53f6880d7c176bf
sha512 c6cf33005d799f4c3f8e22b77a7b02569564bd79474d5e59286770b5bd2040fb1ef57ad114e708871713926f390c5cbaafa6b9f8f581de5bd4bca9b9e1120874
ripemd-160 ee0945b28aaab94b476c901a6ee33b82239bbc4f

81738963 as geometric shapes

Circle

Radius = n
Diameter 163477926
Circumference 513581051.3457
Area 2.0989791276723E+16

Sphere

Radius = n
Volume 2.2875783633944E+24
Surface area 8.3959165106894E+16
Circumference 513581051.3457

Square

Length = n
Perimeter 326955852
Area 6681258072315369
Diagonal 115596350.04891

Cube

Length = n
Surface area 40087548433892214
Volume 5.4611910636644E+23
Space diagonal 141576036.87399

Equilateral Triangle

Length = n
Perimeter 245216889
Area 2.8930696099325E+15
Altitude 70788018.436996

Triangular Pyramid

Length = n
Surface area 2.8930696099325E+15
Volume 6.4360753907874E+22
Height 38532116.682971