81170020 (number)

81170020 is an even 8-digits composite number following 81170019 and preceding 81170021. In scientific notation, it is written as 8.1170020 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors. There are 32468000 positive integers (up to 81170020) that are relatively prime to 81170020.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred seventy thousand twenty

Notation

Scientific notation 8.1170020 × 10^7
Engineering notation 8.1170020 × 10^6

Prime Factorization of 81170020

Prime Factorization 2 × 2 × 5 × 4058501

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40585010
Product of the distinct prime numbers

The prime factorization of 81170020 is 2 × 2 × 5 × 4058501. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 76, 86, 255, 1, 231, 1794, 67639, 41713, 402032, 561734, 4295249, 852094, 86363059, 34468228, 662189315, 106674104, 5501373235, 4239994018

Basic calculations (n = 81170020)

Multiplication

n×y
n×2 162340040
n×3 243510060
n×4 324680080
n×5 405850100

Division

n÷y
n÷2 40585010
n÷3 27056673.333333
n÷3 20292505
n÷5 16234004

Exponentiation

ny
n2 6588572146800400
n3 5.3479453292723E+23
n4 4.3409282933594E+31
n5 3.5235323639055E+39

Nth Root

y√n
2√n 9009.4406041663
3√n 432.97738949293
4√n 94.91807311659
5√n 38.183798592271

Divisors of 81170020

1, 2, 4, 5, 10, 20, 4058501, 8117002, 16234004, 20292505, 40585010, 81170020

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81170019
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81170020 can be divided by 12 positive divisors. The sum of these divisors (counting 81170020) is 1, the average is 0.083333333333333.

Base conversion 81170020

Base System Value
2 Binary 100110101101000111001100100
3 Ternary 12122201212100001
4 Quaternary 10311220321210
5 Quinary 131234420040
6 Senary 12015431044
8 Octal 465507144
10 Decimal 81170020
12 Duodecimal 23225484
16 Hexadecimal 4d68e64
20 Vigesimal 1576510
36 Base36 1cbr6s

Cryptographic Hash Functions

md5 3708cac82aa56493e4140cfef8c8b2b6
sha1 6f8de6766c0571142c05aeb71bff3e5382484f82
sha256 2581e7de65ab693fc17f7010f14805b67dd290dd56afc583f057b83421935100
sha512 d01f5c8c96cadb0979f38e17d573f43de9933a8f56723310e4da2028f136042dedab7abec73fcd354f13e829ae8d853d4a7e5205fd243cd635c474602e1abf22
ripemd-160 156b92bbcc776b3de9b7fad64c7058bcc3f2a67b

81170020 as geometric shapes

Circle

Radius = n
Diameter 162340040
Circumference 510006277.04747
Area 2.0698609854034E+16

Sphere

Radius = n
Volume 2.2401421010989E+24
Surface area 8.2794439416138E+16
Circumference 510006277.04747

Square

Length = n
Perimeter 324680080
Area 6588572146800400
Diagonal 114791743.1421

Cube

Length = n
Surface area 39531432880802400
Volume 5.3479453292723E+23
Space diagonal 140590598.69138

Equilateral Triangle

Length = n
Perimeter 243510060
Area 2.8529354268979E+15
Altitude 70295299.345691

Triangular Pyramid

Length = n
Surface area 2.8529354268979E+15
Volume 6.3026140129056E+22
Height 38263914.380698