81652018 (number)

81652018 is an even 8-digits composite number following 81652017 and preceding 81652019. In scientific notation, it is written as 8.1652018 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 34993716 positive integers (up to 81652018) that are relatively prime to 81652018.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred fifty-two thousand eighteen

Notation

Scientific notation 8.1652018 × 10^7
Engineering notation 8.1652018 × 10^6

Prime Factorization of 81652018

Prime Factorization 2 × 7 × 5832287

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81652018
Product of the distinct prime numbers

The prime factorization of 81652018 is 2 × 7 × 5832287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81652018)

Multiplication

n×y
n×2 163304036
n×3 244956054
n×4 326608072
n×5 408260090

Division

n÷y
n÷2 40826009
n÷3 27217339.333333
n÷3 20413004.5
n÷5 16330403.6

Exponentiation

ny
n2 6667052043472324
n3 5.4437825346054E+23
n4 4.4449582950368E+31
n5 3.629398147156E+39

Nth Root

y√n
2√n 9036.1506184879
3√n 433.83272380137
4√n 95.058669349449
5√n 38.229039321086

Divisors of 81652018

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81652017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81652018 can be divided by 8 positive divisors. The sum of these divisors (counting 81652018) is 1, the average is 0.125.

Base conversion 81652018

Base System Value
2 Binary 100110111011110100100110010
3 Ternary 12200122100111211
4 Quaternary 10313132210302
5 Quinary 131400331033
6 Senary 12034030334
8 Octal 467364462
10 Decimal 81652018
12 Duodecimal 234183aa
16 Hexadecimal 4dde932
20 Vigesimal 15a6a0i
36 Base36 1cm33m

Cryptographic Hash Functions

md5 fc14b4dfd958030b74bb8d257be2c262
sha1 a9bceaf9a569f1c9f8dc7cb71f68cb669acf41c8
sha256 419e4bd9fe27869b4d8570e5ca4772e4082075d5f6ae456c250344c1f754cfba
sha512 3e66d0a00b7c662bedc605855bceea3dbe95437f207bf66fe0e0aaede5d76487c95446fac95299beb164e6cdc9170c3b74f7b5f7ef79192eb227f5809408286c
ripemd-160 e51b7eb385c18f27a7247f1f5ee327972ced0f9b

81652018 as geometric shapes

Circle

Radius = n
Diameter 163304036
Circumference 513034759.79916
Area 2.0945161720873E+16

Sphere

Radius = n
Volume 2.2802862957942E+24
Surface area 8.3780646883494E+16
Circumference 513034759.79916

Square

Length = n
Perimeter 326608072
Area 6667052043472324
Diagonal 115473391.25073

Cube

Length = n
Surface area 40002312260833944
Volume 5.4437825346054E+23
Space diagonal 141425443.71653

Equilateral Triangle

Length = n
Perimeter 244956054
Area 2.886918219E+15
Altitude 70712721.858264

Triangular Pyramid

Length = n
Surface area 2.886918219E+15
Volume 6.4155592425406E+22
Height 38491130.416911