81170028 (number)

81170028 is an even 8-digits composite number following 81170027 and preceding 81170029. In scientific notation, it is written as 8.1170028 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 26183520 positive integers (up to 81170028) that are relatively prime to 81170028.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1170028 × 10^7
Engineering notation 8.1170028 × 10^6

Prime Factorization of 81170028

Prime Factorization 2 × 2 × 9 × 31 × 72733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40585014
Product of the distinct prime numbers

The prime factorization of 81170028 is 2 × 2 × 9 × 31 × 72733. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 4, 67, 91, 206, 905, 1028, 2407, 93846, 43034, 107566, 717182, 6906769, 8887968, 5940310, 82781100, 473646418, 4152200, 2609155206, 721973037

Basic calculations (n = 81170028)

Multiplication

n×y
n×2 162340056
n×3 243510084
n×4 324680112
n×5 405850140

Division

n÷y
n÷2 40585014
n÷3 27056676
n÷3 20292507
n÷5 16234005.6

Exponentiation

ny
n2 6588573445520784
n3 5.3479469105298E+23
n4 4.3409300047022E+31
n5 3.5235341002771E+39

Nth Root

y√n
2√n 9009.441048145
3√n 432.97740371747
4√n 94.918075455337
5√n 38.183799344939

Divisors of 81170028

1, 2, 4, 9, 18, 31, 36, 62, 124, 279, 558, 1116, 72733, 145466, 290932, 654597, 1309194, 2254723, 2618388, 4509446, 9018892, 20292507, 40585014, 81170028

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81170027
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81170028 can be divided by 24 positive divisors. The sum of these divisors (counting 81170028) is 1, the average is 0.041666666666667.

Base conversion 81170028

Base System Value
2 Binary 100110101101000111001101100
3 Ternary 12122201212100100
4 Quaternary 10311220321230
5 Quinary 131234420103
6 Senary 12015431100
8 Octal 465507154
10 Decimal 81170028
12 Duodecimal 23225490
16 Hexadecimal 4d68e6c
20 Vigesimal 1576518
36 Base36 1cbr70

Cryptographic Hash Functions

md5 eb9ae7bc1277f43883fbf9a0a151ce74
sha1 b24728fbbbb1c67a7650de9e5d45938e6af61687
sha256 6a4f867a27464c55a603b394644fc92dbdfee9cff8627631b0590faa8425eaa1
sha512 87b591c51a551f222c9aa0b6f7b57d87c6136de220e7ec27d0488f0b34ac334dfca604d740b5815233b0796bb2fc8c77ed41be921550230fe4ffc36aedd8ea59
ripemd-160 d92060793d105f0c6b3e7b6b67682d06ebcd6f31

81170028 as geometric shapes

Circle

Radius = n
Diameter 162340056
Circumference 510006327.31296
Area 2.0698613934085E+16

Sphere

Radius = n
Volume 2.2401427634545E+24
Surface area 8.279445573634E+16
Circumference 510006327.31296

Square

Length = n
Perimeter 324680112
Area 6588573445520784
Diagonal 114791754.4558

Cube

Length = n
Surface area 39531440673124704
Volume 5.3479469105298E+23
Space diagonal 140590612.54779

Equilateral Triangle

Length = n
Perimeter 243510084
Area 2.8529359892603E+15
Altitude 70295306.273894

Triangular Pyramid

Length = n
Surface area 2.8529359892603E+15
Volume 6.3026158764354E+22
Height 38263918.151935