81121017 (number)

81121017 is an odd 8-digits composite number following 81121016 and preceding 81121018. In scientific notation, it is written as 8.1121017 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 52336080 positive integers (up to 81121017) that are relatively prime to 81121017.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-one thousand seventeen

Notation

Scientific notation 8.1121017 × 10^7
Engineering notation 8.1121017 × 10^6

Prime Factorization of 81121017

Prime Factorization 93 × 872269

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81121017
Product of the distinct prime numbers

The prime factorization of 81121017 is 93 × 872269. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81121017)

Multiplication

n×y
n×2 162242034
n×3 243363051
n×4 324484068
n×5 405605085

Division

n÷y
n÷2 40560508.5
n÷3 27040339
n÷3 20280254.25
n÷5 16224203.4

Exponentiation

ny
n2 6580619399114289
n3 5.3382653814608E+23
n4 4.3304551675999E+31
n5 3.5129092726861E+39

Nth Root

y√n
2√n 9006.7206573758
3√n 432.89024129825
4√n 94.903744169426
5√n 38.179187104703

Divisors of 81121017

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 -81121016
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 81121017 can be divided by 4 positive divisors. The sum of these divisors (counting 81121017) is 1, the average is 0.25.

Base conversion 81121017

Base System Value
2 Binary 100110101011100111011111001
3 Ternary 12122122101010010
4 Quaternary 10311130323321
5 Quinary 131231333032
6 Senary 12014412133
8 Octal 465347371
10 Decimal 81121017
12 Duodecimal 23201049
16 Hexadecimal 4d5cef9
20 Vigesimal 15702ah
36 Base36 1capdl

Cryptographic Hash Functions

md5 f803910dd73867de84ad58dd91f067b9
sha1 48995b0196e410371b37decf2c9b3d5f1ea29a7d
sha256 2e8ea8033cf407960a90c0c0caeb760ebe67a68a473ede9d63306f746798bf26
sha512 f2aa2b15fd6e04fcd28495009327706e8fde1f1caa59c25a4e5fecc2f0c648aa95a649eee4a057e06e10af729eb358d215a6d1d69241eb6fea08e88fa91ae32d
ripemd-160 3c6f3ea45ab589e4ea32158741b88badaad20a80

81121017 as geometric shapes

Circle

Radius = n
Diameter 162242034
Circumference 509698382.11787
Area 2.0673625560328E+16

Sphere

Radius = n
Volume 2.2360873740413E+24
Surface area 8.2694502241312E+16
Circumference 509698382.11787

Square

Length = n
Perimeter 324484068
Area 6580619399114289
Diagonal 114722442.4349

Cube

Length = n
Surface area 39483716394685734
Volume 5.3382653814608E+23
Space diagonal 140505723.00566

Equilateral Triangle

Length = n
Perimeter 243363051
Area 2.8494917861348E+15
Altitude 70252861.502829

Triangular Pyramid

Length = n
Surface area 2.8494917861348E+15
Volume 6.2912060850072E+22
Height 38240814.144966