81276472 (number)

81276472 is an even 8-digits composite number following 81276471 and preceding 81276473. In scientific notation, it is written as 8.1276472 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 8 positive divisors. There are 40638232 positive integers (up to 81276472) that are relatively prime to 81276472.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1276472 × 10^7
Engineering notation 8.1276472 × 10^6

Prime Factorization of 81276472

Prime Factorization 2 × 2 × 2 × 10159559

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20319118
Product of the distinct prime numbers

The prime factorization of 81276472 is 2 × 2 × 2 × 10159559. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 16, 89, 697, 435, 2813, 3232, 8812, 36923, 114447, 413507, 2975683, 8023436, 57854812, 85684122, 758558402, 387696154, 6290374976, 7075154726

Basic calculations (n = 81276472)

Multiplication

n×y
n×2 162552944
n×3 243829416
n×4 325105888
n×5 406382360

Division

n÷y
n÷2 40638236
n÷3 27092157.333333
n÷3 20319118
n÷5 16255294.4

Exponentiation

ny
n2 6605864900766784
n3 5.3690139364295E+23
n4 4.3637451087183E+31
n5 3.5466980714388E+39

Nth Root

y√n
2√n 9015.3464714341
3√n 433.16658567899
4√n 94.949178361027
5√n 38.193808719385

Divisors of 81276472

1, 2, 4, 8, 10159559, 20319118, 40638236, 81276472

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 -81276471
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 81276472 can be divided by 8 positive divisors. The sum of these divisors (counting 81276472) is 1, the average is 0.125.

Base conversion 81276472

Base System Value
2 Binary 100110110000010111000111000
3 Ternary 12122221021100201
4 Quaternary 10312002320320
5 Quinary 131301321342
6 Senary 12022011544
8 Octal 466027070
10 Decimal 81276472
12 Duodecimal 23276bb4
16 Hexadecimal 4d82e38
20 Vigesimal 157jb3c
36 Base36 1ce1bs

Cryptographic Hash Functions

md5 46b72a6521ee9427d84be462632f94b3
sha1 44d563c0407ee5d5a8645821b970b52bc9911d91
sha256 02180ca6672815b8141da32cfe5d43df168864e7bacf66ba0ca7bc7fa679ebe5
sha512 475dbe639248bd751d2e5ca8e6e98b3e6bfdff06e216d1b9c8ba8e561793aba11d98b47cdefb7a94dc1ffcfef3dc2e4acd77cec300e4d7477a2b552bb1ec1cae
ripemd-160 64b17f19f68b3c97170e269456d7f461b491337b

81276472 as geometric shapes

Circle

Radius = n
Diameter 162552944
Circumference 510675134.68979
Area 2.0752936642856E+16

Sphere

Radius = n
Volume 2.2489672986278E+24
Surface area 8.3011746571422E+16
Circumference 510675134.68979

Square

Length = n
Perimeter 325105888
Area 6605864900766784
Diagonal 114942289.00424

Cube

Length = n
Surface area 39635189404600704
Volume 5.3690139364295E+23
Space diagonal 140774978.96395

Equilateral Triangle

Length = n
Perimeter 243829416
Area 2.860423409016E+15
Altitude 70387489.481975

Triangular Pyramid

Length = n
Surface area 2.860423409016E+15
Volume 6.3274436045573E+22
Height 38314096.334746