81409962 (number)

81409962 is an even 8-digits composite number following 81409961 and preceding 81409963. In scientific notation, it is written as 8.1409962 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 27120912 positive integers (up to 81409962) that are relatively prime to 81409962.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred nine thousand nine hundred sixty-two

Notation

Scientific notation 8.1409962 × 10^7
Engineering notation 8.1409962 × 10^6

Prime Factorization of 81409962

Prime Factorization 2 × 3 × 5323 × 2549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81409962
Product of the distinct prime numbers

The prime factorization of 81409962 is 2 × 3 × 5323 × 2549. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 63, 28, 770, 390, 9284, 4519, 23863, 12920, 111548, 685891, 3675377, 5216437, 61226463, 6532669, 141309866, 770527817, 1263021456, 7356722842

Basic calculations (n = 81409962)

Multiplication

n×y
n×2 162819924
n×3 244229886
n×4 325639848
n×5 407049810

Division

n÷y
n÷2 40704981
n÷3 27136654
n÷3 20352490.5
n÷5 16281992.4

Exponentiation

ny
n2 6627581912841444
n3 5.3955119167631E+23
n4 4.3924842011423E+31
n5 3.575919719006E+39

Nth Root

y√n
2√n 9022.746920977
3√n 433.4036029371
4√n 94.988140949157
5√n 38.206346530524

Divisors of 81409962

1, 2, 3, 6, 2549, 5098, 5323, 7647, 10646, 15294, 15969, 31938, 13568327, 27136654, 40704981, 81409962

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 -81409961
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 81409962 can be divided by 16 positive divisors. The sum of these divisors (counting 81409962) is 1, the average is 0.0625.

Base conversion 81409962

Base System Value
2 Binary 100110110100011011110101010
3 Ternary 12200012001110210
4 Quaternary 10312203132222
5 Quinary 131320104322
6 Senary 12024521550
8 Octal 466433652
10 Decimal 81409962
12 Duodecimal 233202b6
16 Hexadecimal 4da37aa
20 Vigesimal 158g4i2
36 Base36 1cgwbu

Cryptographic Hash Functions

md5 3c170e457fae733da258a218f945b952
sha1 294557c7107f80fa12c8ce91829a5e7033dc2365
sha256 6a8f5c76430f746a3539997feda1a9aacbe6fc68ed64bee3073129bc4cb38dc6
sha512 9355f51178a169f47455744f44d94bc2095777e56157ca69aee69df4710c72116c81b576b368b6e8e71562c36b60d2ff9aa573667e0bcbf6dc16a0e66eb96017
ripemd-160 e5cec2d1f32d6bc018441f08e785a565cd538cde

81409962 as geometric shapes

Circle

Radius = n
Diameter 162819924
Circumference 511513877.09645
Area 2.0821162648447E+16

Sphere

Radius = n
Volume 2.2600667466745E+24
Surface area 8.3284650593789E+16
Circumference 511513877.09645

Square

Length = n
Perimeter 325639848
Area 6627581912841444
Diagonal 115131072.37268

Cube

Length = n
Surface area 39765491477048664
Volume 5.3955119167631E+23
Space diagonal 141006190.42625

Equilateral Triangle

Length = n
Perimeter 244229886
Area 2.8698271510915E+15
Altitude 70503095.213126

Triangular Pyramid

Length = n
Surface area 2.8698271510915E+15
Volume 6.35867177386E+22
Height 38377024.124226