81276904 (number)

81276904 is an even 8-digits composite number following 81276903 and preceding 81276905. In scientific notation, it is written as 8.1276904 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 8 positive divisors. There are 40638448 positive integers (up to 81276904) that are relatively prime to 81276904.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred seventy-six thousand nine hundred four

Notation

Scientific notation 8.1276904 × 10^7
Engineering notation 8.1276904 × 10^6

Prime Factorization of 81276904

Prime Factorization 2 × 2 × 2 × 10159613

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20319226
Product of the distinct prime numbers

The prime factorization of 81276904 is 2 × 2 × 2 × 10159613. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81276904)

Multiplication

n×y
n×2 162553808
n×3 243830712
n×4 325107616
n×5 406384520

Division

n÷y
n÷2 40638452
n÷3 27092301.333333
n÷3 20319226
n÷5 16255380.8

Exponentiation

ny
n2 6605935123825216
n3 5.3690995488937E+23
n4 4.3638378860188E+31
n5 3.5467923293351E+39

Nth Root

y√n
2√n 9015.370430548
3√n 433.16735313206
4√n 94.949304529038
5√n 38.193849320779

Divisors of 81276904

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81276903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81276904 can be divided by 8 positive divisors. The sum of these divisors (counting 81276904) is 1, the average is 0.125.

Base conversion 81276904

Base System Value
2 Binary 100110110000010111111101000
3 Ternary 12122221021221201
4 Quaternary 10312002333220
5 Quinary 131301330104
6 Senary 12022013544
8 Octal 466027750
10 Decimal 81276904
12 Duodecimal 232772b4
16 Hexadecimal 4d82fe8
20 Vigesimal 157jc54
36 Base36 1ce1ns

Cryptographic Hash Functions

md5 972c2cea41eed5dfaeed4f988827b502
sha1 0069e0bae3bf66aa5dd3398952673d20f57f69e9
sha256 91964b857ca6b00706c6cc2550179248f0bac7c1fb498b69561b8687c7bff2e9
sha512 3d2ef3e8171f150109446e97ad1da1648650ec6af557f41f5a9e1604d23b38c0d5e461a93fa0e0b73c6b9c3a9043bafbbcaf011206758c24bf5ba5ad48d45c29
ripemd-160 27ba2341aa7858dec3d27675772058b9075ff40f

81276904 as geometric shapes

Circle

Radius = n
Diameter 162553808
Circumference 510677849.02585
Area 2.07531572551E+16

Sphere

Radius = n
Volume 2.2490031598929E+24
Surface area 8.30126290204E+16
Circumference 510677849.02585

Square

Length = n
Perimeter 325107616
Area 6605935123825216
Diagonal 114942899.9445

Cube

Length = n
Surface area 39635610742951296
Volume 5.3690995488937E+23
Space diagonal 140775727.2099

Equilateral Triangle

Length = n
Perimeter 243830712
Area 2.8604538164923E+15
Altitude 70387863.604949

Triangular Pyramid

Length = n
Surface area 2.8604538164923E+15
Volume 6.327544499814E+22
Height 38314299.981499