81738962 (number)

81738962 is an even 8-digits composite number following 81738961 and preceding 81738963. In scientific notation, it is written as 8.1738962 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 40869480 positive integers (up to 81738962) that are relatively prime to 81738962.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1738962 × 10^7
Engineering notation 8.1738962 × 10^6

Prime Factorization of 81738962

Prime Factorization 2 × 40869481

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81738962
Product of the distinct prime numbers

The prime factorization of 81738962 is 2 × 40869481. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81738962)

Multiplication

n×y
n×2 163477924
n×3 245216886
n×4 326955848
n×5 408694810

Division

n÷y
n÷2 40869481
n÷3 27246320.666667
n÷3 20434740.5
n÷5 16347792.4

Exponentiation

ny
n2 6681257908837444
n3 5.4611908632266E+23
n4 4.4639207244403E+31
n5 3.6487624646604E+39

Nth Root

y√n
2√n 9040.960236612
3√n 433.98665252331
4√n 95.083964140185
5√n 38.237177199115

Divisors of 81738962

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 -81738961
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 81738962 can be divided by 4 positive divisors. The sum of these divisors (counting 81738962) is 1, the average is 0.25.

Base conversion 81738962

Base System Value
2 Binary 100110111110011110011010010
3 Ternary 12200210202202222
4 Quaternary 10313303303102
5 Quinary 131411121322
6 Senary 12035541042
8 Octal 467636322
10 Decimal 81738962
12 Duodecimal 2345a782
16 Hexadecimal 4df3cd2
20 Vigesimal 15ah782
36 Base36 1cny6q

Cryptographic Hash Functions

md5 9a8ed585df062f73e98b7c507baed27c
sha1 824c5192c1a61ae1b73b9a2b5c26609bf601b0b4
sha256 21d729a614a52507689f9ec25bd289b5c676264a18d10bf222c9c4f796627419
sha512 360d356f3fe0257606c8df2a6127aacaf13eadb10be157626754b63121b46cbe74a273b1641137bd742e81b43a733f173ad8a240dc89dd327dc0759f7df9c86d
ripemd-160 a372baca8730a20d263242936971b839d737cc19

81738962 as geometric shapes

Circle

Radius = n
Diameter 163477924
Circumference 513581045.06251
Area 2.0989790763142E+16

Sphere

Radius = n
Volume 2.2875782794353E+24
Surface area 8.395916305257E+16
Circumference 513581045.06251

Square

Length = n
Perimeter 326955848
Area 6681257908837444
Diagonal 115596348.6347

Cube

Length = n
Surface area 40087547453024664
Volume 5.4611908632266E+23
Space diagonal 141576035.14194

Equilateral Triangle

Length = n
Perimeter 245216886
Area 2.8930695391445E+15
Altitude 70788017.570971

Triangular Pyramid

Length = n
Surface area 2.8930695391445E+15
Volume 6.4360751545693E+22
Height 38532116.211566