81076947 (number)

81076947 is an odd 8-digits composite number following 81076946 and preceding 81076948. In scientific notation, it is written as 8.1076947 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 46329672 positive integers (up to 81076947) that are relatively prime to 81076947.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-six thousand nine hundred forty-seven

Notation

Scientific notation 8.1076947 × 10^7
Engineering notation 8.1076947 × 10^6

Prime Factorization of 81076947

Prime Factorization 3 × 7 × 3860807

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81076947
Product of the distinct prime numbers

The prime factorization of 81076947 is 3 × 7 × 3860807. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81076947)

Multiplication

n×y
n×2 162153894
n×3 243230841
n×4 324307788
n×5 405384735

Division

n÷y
n÷2 40538473.5
n÷3 27025649
n÷3 20269236.75
n÷5 16215389.4

Exponentiation

ny
n2 6573471334840809
n3 5.3295698702091E+23
n4 4.3210525389974E+31
n5 3.5033774768851E+39

Nth Root

y√n
2√n 9004.2738185819
3√n 432.81183609833
4√n 94.89085213329
5√n 38.175037939456

Divisors of 81076947

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 -81076946
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 81076947 can be divided by 8 positive divisors. The sum of these divisors (counting 81076947) is 1, the average is 0.125.

Base conversion 81076947

Base System Value
2 Binary 100110101010010001011010011
3 Ternary 12122120010122220
4 Quaternary 10311102023103
5 Quinary 131223430242
6 Senary 12013432123
8 Octal 465221323
10 Decimal 81076947
12 Duodecimal 2319b643
16 Hexadecimal 4d522d3
20 Vigesimal 156ec77
36 Base36 1c9rdf

Cryptographic Hash Functions

md5 30b788607013f5715a8045da1b7c1286
sha1 c39cbc35cbdc4ec52788cdac0806e72e11031a4c
sha256 6cc094884de9d5deb2e7368133acda639db3da82c3b3d83850f5d8ec526f8238
sha512 ff69888e84431a1b9f5807bde12d9bb6687276e65bd0b903933964b0a174ba2a62c088dc3e9e5fa95fa2990ff9c9037fdc649a80a53dda45cccc666ca776d38c
ripemd-160 a044cd9282dff1b362514098b1e1c4284a187114

81076947 as geometric shapes

Circle

Radius = n
Diameter 162153894
Circumference 509421482.14138
Area 2.0651169254119E+16

Sphere

Radius = n
Volume 2.2324450068056E+24
Surface area 8.2604677016476E+16
Circumference 509421482.14138

Square

Length = n
Perimeter 324307788
Area 6573471334840809
Diagonal 114660118.0432

Cube

Length = n
Surface area 39440828009044854
Volume 5.3295698702091E+23
Space diagonal 140429391.52657

Equilateral Triangle

Length = n
Perimeter 243230841
Area 2.8463965835105E+15
Altitude 70214695.763285

Triangular Pyramid

Length = n
Surface area 2.8463965835105E+15
Volume 6.2809583267206E+22
Height 38220039.347735