81363345 (number)

81363345 is an odd 8-digits composite number following 81363344 and preceding 81363346. In scientific notation, it is written as 8.1363345 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 36401088 positive integers (up to 81363345) that are relatively prime to 81363345.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-three thousand three hundred forty-five

Notation

Scientific notation 8.1363345 × 10^7
Engineering notation 8.1363345 × 10^6

Prime Factorization of 81363345

Prime Factorization 21 × 5 × 47 × 16487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81363345
Product of the distinct prime numbers

The prime factorization of 81363345 is 21 × 5 × 47 × 16487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 93, 57, 501, 455, 9867, 1178, 58361, 6430, 872815, 593104, 5977639, 6824465, 72575711, 30010977, 232503995, 111341453, 6072829669, 4673442556

Basic calculations (n = 81363345)

Multiplication

n×y
n×2 162726690
n×3 244090035
n×4 325453380
n×5 406816725

Division

n÷y
n÷2 40681672.5
n÷3 27121115
n÷3 20340836.25
n÷5 16272669

Exponentiation

ny
n2 6619993909589025
n3 5.3862484836379E+23
n4 4.3824319362996E+31
n5 3.5656932157216E+39

Nth Root

y√n
2√n 9020.1632468598
3√n 433.32086190274
4√n 94.974539992883
5√n 38.201969981752

Divisors of 81363345

1, 5, 21, 47, 105, 235, 987, 4935, 16487, 82435, 346227, 774889, 1731135, 3874445, 16272669, 81363345

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 -81363344
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 81363345 can be divided by 16 positive divisors. The sum of these divisors (counting 81363345) is 1, the average is 0.0625.

Base conversion 81363345

Base System Value
2 Binary 100110110011000000110010001
3 Ternary 12200002200112020
4 Quaternary 10312120012101
5 Quinary 131312111340
6 Senary 12023522053
8 Octal 466300621
10 Decimal 81363345
12 Duodecimal 232b9329
16 Hexadecimal 4d98191
20 Vigesimal 158a875
36 Base36 1cfwcx

Cryptographic Hash Functions

md5 273f2235cc9218b74f56c13e5cb6e467
sha1 53926a67a45a8c3b34252ba8b9467aa717cd9c86
sha256 40432328dee15f435e1b79af6547e3778605d21ac0887af43c8319966d17dab1
sha512 fb64d13251b627bb1ae45e747ad14f0c36a6a50e160cda248aefbd58cf06d5bb032fa631e5c766ac29b667ce4b0d8d7ff6fd044961961499f7607d841170a50e
ripemd-160 5764033ea4d3267990e1846c7c257638a1a23eea

81363345 as geometric shapes

Circle

Radius = n
Diameter 162726690
Circumference 511220973.84698
Area 2.0797324233174E+16

Sphere

Radius = n
Volume 2.2561864888808E+24
Surface area 8.3189296932696E+16
Circumference 511220973.84698

Square

Length = n
Perimeter 325453380
Area 6619993909589025
Diagonal 115065145.97904

Cube

Length = n
Surface area 39719963457534150
Volume 5.3862484836379E+23
Space diagonal 140925447.41376

Equilateral Triangle

Length = n
Perimeter 244090035
Area 2.8665414493012E+15
Altitude 70462723.706878

Triangular Pyramid

Length = n
Surface area 2.8665414493012E+15
Volume 6.3477547132269E+22
Height 38355048.65968