81170421 (number)

81170421 is an odd 8-digits composite number following 81170420 and preceding 81170422. In scientific notation, it is written as 8.1170421 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 54113612 positive integers (up to 81170421) that are relatively prime to 81170421.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred seventy thousand four hundred twenty-one

Notation

Scientific notation 8.1170421 × 10^7
Engineering notation 8.1170421 × 10^6

Prime Factorization of 81170421

Prime Factorization 3 × 27056807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81170421
Product of the distinct prime numbers

The prime factorization of 81170421 is 3 × 27056807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81170421)

Multiplication

n×y
n×2 162340842
n×3 243511263
n×4 324681684
n×5 405852105

Division

n÷y
n÷2 40585210.5
n÷3 27056807
n÷3 20292605.25
n÷5 16234084.2

Exponentiation

ny
n2 6588637245317241
n3 5.3480245901868E+23
n4 4.3410140750382E+31
n5 3.5236194003777E+39

Nth Root

y√n
2√n 9009.4628585726
3√n 432.97810249693
4√n 94.918190346069
5√n 38.18383631968

Divisors of 81170421

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81170420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81170421 can be divided by 4 positive divisors. The sum of these divisors (counting 81170421) is 1, the average is 0.25.

Base conversion 81170421

Base System Value
2 Binary 100110101101000111111110101
3 Ternary 12122201212212220
4 Quaternary 10311220333311
5 Quinary 131234423141
6 Senary 12015432553
8 Octal 465507765
10 Decimal 81170421
12 Duodecimal 23225759
16 Hexadecimal 4d68ff5
20 Vigesimal 1576611
36 Base36 1cbrhx

Cryptographic Hash Functions

md5 da3c35faa9c67479a0f9b5893fb0c8bc
sha1 10a78978bff54a38801439909ca2663557c3ae42
sha256 f059e6b94d76cc96da4c2bdbd4c87f7b4b105ca88ff4a68fce2b2633ad016eb7
sha512 b84e34c593172bd07ea246425b560861d14c978d63120a524e3e36f2323048713449588a0e54c2eb2c5f6829c5c51d210ee14cc89cbd3962342202b3b5d3b857
ripemd-160 2541fad873e6cc84156abc216f8338dba72c43ca

81170421 as geometric shapes

Circle

Radius = n
Diameter 162340842
Circumference 510008796.60478
Area 2.0698814367057E+16

Sphere

Radius = n
Volume 2.2401753018331E+24
Surface area 8.2795257468227E+16
Circumference 510008796.60478

Square

Length = n
Perimeter 324681684
Area 6588637245317241
Diagonal 114792310.24173

Cube

Length = n
Surface area 39531823471903446
Volume 5.3480245901868E+23
Space diagonal 140591293.24376

Equilateral Triangle

Length = n
Perimeter 243511263
Area 2.8529636153825E+15
Altitude 70295646.621878

Triangular Pyramid

Length = n
Surface area 2.8529636153825E+15
Volume 6.3027074227892E+22
Height 38264103.413911