81013456 (number)

81013456 is an even 8-digits composite number following 81013455 and preceding 81013457. In scientific notation, it is written as 8.1013456 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors. There are 40449536 positive integers (up to 81013456) that are relatively prime to 81013456.

Interesting facts

Basic properties

Name

Name eighty-one million thirteen thousand four hundred fifty-six

Notation

Scientific notation 8.1013456 × 10^7
Engineering notation 8.1013456 × 10^6

Prime Factorization of 81013456

Prime Factorization 2 × 2 × 2 × 2 × 797 × 6353

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10126682
Product of the distinct prime numbers

The prime factorization of 81013456 is 2 × 2 × 2 × 2 × 797 × 6353. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 2, 47, 27, 254, 773, 4915, 8076, 90468, 81575, 302931, 881674, 5976020, 9163923, 45694010, 55376251, 549741918, 827080500, 7536773802, 2561808872

Basic calculations (n = 81013456)

Multiplication

n×y
n×2 162026912
n×3 243040368
n×4 324053824
n×5 405067280

Division

n÷y
n÷2 40506728
n÷3 27004485.333333
n÷3 20253364
n÷5 16202691.2

Exponentiation

ny
n2 6563180053063936
n3 5.3170589844897E+23
n4 4.3075332408936E+31
n5 3.4896815467967E+39

Nth Root

y√n
2√n 9000.7475245115
3√n 432.69882891404
4√n 94.872269523352
5√n 38.169057124937

Divisors of 81013456

1, 2, 4, 8, 16, 797, 1594, 3188, 6353, 6376, 12706, 12752, 25412, 50824, 101648, 5063341, 10126682, 20253364, 40506728, 81013456

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81013455
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81013456 can be divided by 20 positive divisors. The sum of these divisors (counting 81013456) is 1, the average is 0.05.

Base conversion 81013456

Base System Value
2 Binary 100110101000010101011010000
3 Ternary 12122102220120101
4 Quaternary 10311002223100
5 Quinary 131214412311
6 Senary 12012222144
8 Octal 465025320
10 Decimal 81013456
12 Duodecimal 2316a954
16 Hexadecimal 4d42ad0
20 Vigesimal 1566dcg
36 Base36 1c8eds

Cryptographic Hash Functions

md5 a85b1238610f8834c27e358ff1b87abc
sha1 0a0aae73185a416778d713da635a0c65f6c17749
sha256 470f0e5faed90df1a5dece4b1124ad424474a91776f70fc6bce43044f0c78869
sha512 09232505060b91b9d777598f226142be032c5a3038565d329a80729814882239cf49bdc129e516fc7b3722afce0b393de78c0cafccc3e3c25270802225d19c10
ripemd-160 a8c9e79d3eca450b521de36ee792c53dafb69f78

81013456 as geometric shapes

Circle

Radius = n
Diameter 162026912
Circumference 509022556.42304
Area 2.0618838238893E+16

Sphere

Radius = n
Volume 2.2272044592502E+24
Surface area 8.2475352955571E+16
Circumference 509022556.42304

Square

Length = n
Perimeter 324053824
Area 6563180053063936
Diagonal 114570328.20992

Cube

Length = n
Surface area 39379080318383616
Volume 5.3170589844897E+23
Space diagonal 140319421.88875

Equilateral Triangle

Length = n
Perimeter 243040368
Area 2.8419403277823E+15
Altitude 70159710.944373

Triangular Pyramid

Length = n
Surface area 2.8419403277823E+15
Volume 6.2662141065026E+22
Height 38190109.403305