81738300 (number)

81738300 is an even 8-digits composite number following 81738299 and preceding 81738301. In scientific notation, it is written as 8.1738300 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 36 positive divisors. There are 18682560 positive integers (up to 81738300) that are relatively prime to 81738300.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1738300 × 10^7
Engineering notation 8.1738300 × 10^6

Prime Factorization of 81738300

Prime Factorization 2 × 2 × 21 × 5 × 5 × 38923

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 8173830
Product of the distinct prime numbers

The prime factorization of 81738300 is 2 × 2 × 21 × 5 × 5 × 38923. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81738300)

Multiplication

n×y
n×2 163476600
n×3 245214900
n×4 326953200
n×5 408691500

Division

n÷y
n÷2 40869150
n÷3 27246100
n÷3 20434575
n÷5 16347660

Exponentiation

ny
n2 6681149686890000
n3 5.4610581745192E+23
n4 4.463776113863E+31
n5 3.6486147112777E+39

Nth Root

y√n
2√n 9040.9236253825
3√n 433.98548090767
4√n 95.083771619465
5√n 38.237115262695

Divisors of 81738300

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81738299
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81738300 can be divided by 36 positive divisors. The sum of these divisors (counting 81738300) is 1, the average is 0.027777777777778.

Base conversion 81738300

Base System Value
2 Binary 100110111110011101000111100
3 Ternary 12200210201212110
4 Quaternary 10313303220330
5 Quinary 131411111200
6 Senary 12035534020
8 Octal 467635074
10 Decimal 81738300
12 Duodecimal 2345a310
16 Hexadecimal 4df3a3c
20 Vigesimal 15ah5f0
36 Base36 1cnxoc

Cryptographic Hash Functions

md5 86823f050052cc4b539c910baf8be3b9
sha1 c708e3599ebeebde4c499146e4cf3f545c78526c
sha256 016ffd143544a97dcb117104674a1fa471ae4911c9c3b6c985b49a53614f009a
sha512 1292d7e16197cd09b43f6fd702330d92ad6132b9a05a5c6663e6094e1c921785e16cefbd2f1b34f134bc14afa32726c95f52555e33bdd8c179edf740e8ca391f
ripemd-160 3ff311f212a10221036c0e711bcb602cd41f7255

81738300 as geometric shapes

Circle

Radius = n
Diameter 163476600
Circumference 513576885.59384
Area 2.0989450773867E+16

Sphere

Radius = n
Volume 2.2875226989195E+24
Surface area 8.3957803095469E+16
Circumference 513576885.59384

Square

Length = n
Perimeter 326953200
Area 6681149686890000
Diagonal 115595412.42532

Cube

Length = n
Surface area 40086898121340000
Volume 5.4610581745192E+23
Space diagonal 141574888.52431

Equilateral Triangle

Length = n
Perimeter 245214900
Area 2.8930226776666E+15
Altitude 70787444.262154

Triangular Pyramid

Length = n
Surface area 2.8930226776666E+15
Volume 6.4359187794279E+22
Height 38531804.141774