81354313 (number)

81354313 is an odd 8-digits composite number following 81354312 and preceding 81354314. In scientific notation, it is written as 8.1354313 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 81332608 positive integers (up to 81354313) that are relatively prime to 81354313.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred fifty-four thousand three hundred thirteen

Notation

Scientific notation 8.1354313 × 10^7
Engineering notation 8.1354313 × 10^6

Prime Factorization of 81354313

Prime Factorization 4817 × 16889

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81354313
Product of the distinct prime numbers

The prime factorization of 81354313 is 4817 × 16889. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81354313)

Multiplication

n×y
n×2 162708626
n×3 244062939
n×4 325417252
n×5 406771565

Division

n÷y
n÷2 40677156.5
n÷3 27118104.333333
n÷3 20338578.25
n÷5 16270862.6

Exponentiation

ny
n2 6618524243701969
n3 5.3844549292022E+23
n4 4.3804863164471E+31
n5 3.5637145488045E+39

Nth Root

y√n
2√n 9019.6625768373
3√n 433.30482725039
4√n 94.971904144528
5√n 38.20112179756

Divisors of 81354313

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 -81354312
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 81354313 can be divided by 4 positive divisors. The sum of these divisors (counting 81354313) is 1, the average is 0.25.

Base conversion 81354313

Base System Value
2 Binary 100110110010101111001001001
3 Ternary 12200002020010201
4 Quaternary 10312111321021
5 Quinary 131311314223
6 Senary 12023412201
8 Octal 466257111
10 Decimal 81354313
12 Duodecimal 232b4061
16 Hexadecimal 4d95e49
20 Vigesimal 15895fd
36 Base36 1cfpe1

Cryptographic Hash Functions

md5 b3d813a1b94e2060d7f534b5410ecef7
sha1 d4ad14a3facadf6e128774b2fe02eabc251c2bb6
sha256 a6a31659b27a2252d1aa72c961e7676b9612dbafddff4351e5b70712f03cbf22
sha512 348eea04ec94214757347a6d267ec927e89f611b667a7960605671738dd4d132cbb8b5b97ce78315f68b52de5d1e7318cd263f6cfa75acdb2e711564c2c4cbcb
ripemd-160 592e2358cf5c44b7663cdc624c3a8409bf340d51

81354313 as geometric shapes

Circle

Radius = n
Diameter 162708626
Circumference 511164224.11729
Area 2.079270714162E+16

Sphere

Radius = n
Volume 2.2554352065556E+24
Surface area 8.317082856648E+16
Circumference 511164224.11729

Square

Length = n
Perimeter 325417252
Area 6618524243701969
Diagonal 115052372.80215

Cube

Length = n
Surface area 39711145462211814
Volume 5.3844549292022E+23
Space diagonal 140909803.53086

Equilateral Triangle

Length = n
Perimeter 244062939
Area 2.8659050653045E+15
Altitude 70454901.765431

Triangular Pyramid

Length = n
Surface area 2.8659050653045E+15
Volume 6.3456409890537E+22
Height 38350790.934049