81072017 (number)

81072017 is an odd 8-digits composite number following 81072016 and preceding 81072018. In scientific notation, it is written as 8.1072017 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 74835696 positive integers (up to 81072017) that are relatively prime to 81072017.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand seventeen

Notation

Scientific notation 8.1072017 × 10^7
Engineering notation 8.1072017 × 10^6

Prime Factorization of 81072017

Prime Factorization 13 × 6236309

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81072017
Product of the distinct prime numbers

The prime factorization of 81072017 is 13 × 6236309. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81072017)

Multiplication

n×y
n×2 162144034
n×3 243216051
n×4 324288068
n×5 405360085

Division

n÷y
n÷2 40536008.5
n÷3 27024005.666667
n÷3 20268004.25
n÷5 16214403.4

Exponentiation

ny
n2 6572671940448289
n3 5.3285977129145E+23
n4 4.3200016436756E+31
n5 3.502312466961E+39

Nth Root

y√n
2√n 9004.0000555309
3√n 432.80306333911
4√n 94.88940960682
5√n 38.174573670581

Divisors of 81072017

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 -81072016
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 81072017 can be divided by 4 positive divisors. The sum of these divisors (counting 81072017) is 1, the average is 0.25.

Base conversion 81072017

Base System Value
2 Binary 100110101010000111110010001
3 Ternary 12122112212220022
4 Quaternary 10311100332101
5 Quinary 131223301032
6 Senary 12013353225
8 Octal 465207621
10 Decimal 81072017
12 Duodecimal 23198815
16 Hexadecimal 4d50f91
20 Vigesimal 156e00h
36 Base36 1c9nkh

Cryptographic Hash Functions

md5 1586875d5c54d2daa2daec0b5efd08c1
sha1 a0a40b97037e5ba724e81572c73a149ddac00b81
sha256 a550093c7228cff11f2d0a59c94ee2ee1a346295fba3f68dd549cae195e0a876
sha512 59298d330f917ab11694fe707957091583d44b747735ac45c0cc54483aaaefd04e4b535e3dafb3066bd1e879de101f3f38fc05c8e5819ed3ddd235810f58fd5a
ripemd-160 4ab273c08729c5339b3e81fbf9131a0a49f7e224

81072017 as geometric shapes

Circle

Radius = n
Diameter 162144034
Circumference 509390506.03781
Area 2.0648657882568E+16

Sphere

Radius = n
Volume 2.2320377905103E+24
Surface area 8.2594631530272E+16
Circumference 509390506.03781

Square

Length = n
Perimeter 324288068
Area 6572671940448289
Diagonal 114653145.97034

Cube

Length = n
Surface area 39436031642689734
Volume 5.3285977129145E+23
Space diagonal 140420852.51609

Equilateral Triangle

Length = n
Perimeter 243216051
Area 2.8460504355847E+15
Altitude 70210426.258044

Triangular Pyramid

Length = n
Surface area 2.8460504355847E+15
Volume 6.2798126283616E+22
Height 38217715.323447