81717070 (number)

81717070 is an even 8-digits composite number following 81717069 and preceding 81717071. In scientific notation, it is written as 8.1717070 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 31559584 positive integers (up to 81717070) that are relatively prime to 81717070.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred seventeen thousand seventy

Notation

Scientific notation 8.1717070 × 10^7
Engineering notation 8.1717070 × 10^6

Prime Factorization of 81717070

Prime Factorization 2 × 29 × 5 × 281783

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81717070
Product of the distinct prime numbers

The prime factorization of 81717070 is 2 × 29 × 5 × 281783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81717070)

Multiplication

n×y
n×2 163434140
n×3 245151210
n×4 326868280
n×5 408585350

Division

n÷y
n÷2 40858535
n÷3 27239023.333333
n÷3 20429267.5
n÷5 16343414

Exponentiation

ny
n2 6677679529384900
n3 5.4568040554031E+23
n4 4.4591403897166E+31
n5 3.643878873663E+39

Nth Root

y√n
2√n 9039.7494434304
3√n 433.94790444085
4√n 95.077596958644
5√n 38.235128780697

Divisors of 81717070

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81717069
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81717070 can be divided by 16 positive divisors. The sum of these divisors (counting 81717070) is 1, the average is 0.0625.

Base conversion 81717070

Base System Value
2 Binary 100110111101110011101001110
3 Ternary 12200202122202011
4 Quaternary 10313232131032
5 Quinary 131404421240
6 Senary 12035251434
8 Octal 467563516
10 Decimal 81717070
12 Duodecimal 23449b7a
16 Hexadecimal 4dee74e
20 Vigesimal 15aecda
36 Base36 1cnham

Cryptographic Hash Functions

md5 21bfd1ee28d874143122ea4ce52c6def
sha1 f7f20cf25283c6195b0f9760da776fb490d84dc5
sha256 121b925ac7f261407184b50761b4e1969d1ad35a1d71bf7880c5d11b103aafef
sha512 03c782e8b512be01fcb153dbd5e754c6104d5d24165795b0806ebeb8111184f5b6fa8bb70785c748cc656260bc5404adc52a95962f7864b668e200f02097ed20
ripemd-160 87ce1c3d02c93f5edfa7822c0b977405cfd75a6d

81717070 as geometric shapes

Circle

Radius = n
Diameter 163434140
Circumference 513443493.56977
Area 2.0978548952543E+16

Sphere

Radius = n
Volume 2.2857407376711E+24
Surface area 8.391419581017E+16
Circumference 513443493.56977

Square

Length = n
Perimeter 326868280
Area 6677679529384900
Diagonal 115565388.67139

Cube

Length = n
Surface area 40066077176309400
Volume 5.4568040554031E+23
Space diagonal 141538117.08566

Equilateral Triangle

Length = n
Perimeter 245151210
Area 2.8915200553893E+15
Altitude 70769058.542831

Triangular Pyramid

Length = n
Surface area 2.8915200553893E+15
Volume 6.4309052519697E+22
Height 38521796.223797