81475863 (number)

81475863 is an odd 8-digits composite number following 81475862 and preceding 81475864. In scientific notation, it is written as 8.1475863 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 45566496 positive integers (up to 81475863) that are relatively prime to 81475863.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred seventy-five thousand eight hundred sixty-three

Notation

Scientific notation 8.1475863 × 10^7
Engineering notation 8.1475863 × 10^6

Prime Factorization of 81475863

Prime Factorization 7 × 3 × 47 × 82549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81475863
Product of the distinct prime numbers

The prime factorization of 81475863 is 7 × 3 × 47 × 82549. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 5, 44, 581, 907, 2885, 7021, 1603, 23393, 919021, 500378, 4037911, 9063397, 30410835, 46905012, 269818269, 155194792, 2366207461, 5227790162

Basic calculations (n = 81475863)

Multiplication

n×y
n×2 162951726
n×3 244427589
n×4 325903452
n×5 407379315

Division

n÷y
n÷2 40737931.5
n÷3 27158621
n÷3 20368965.75
n÷5 16295172.6

Exponentiation

ny
n2 6638316251594769
n3 5.4086254546561E+23
n4 4.4067242656187E+31
n5 3.5904166254433E+39

Nth Root

y√n
2√n 9026.3981188512
3√n 433.52051748799
4√n 95.007358235303
5√n 38.212530101933

Divisors of 81475863

1, 3, 7, 21, 47, 141, 329, 987, 82549, 247647, 577843, 1733529, 3879803, 11639409, 27158621, 81475863

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 -81475862
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 81475863 can be divided by 16 positive divisors. The sum of these divisors (counting 81475863) is 1, the average is 0.0625.

Base conversion 81475863

Base System Value
2 Binary 100110110110011100100010111
3 Ternary 12200022101212120
4 Quaternary 10312303210113
5 Quinary 131324211423
6 Senary 12030151023
8 Octal 466634427
10 Decimal 81475863
12 Duodecimal 23352473
16 Hexadecimal 4db3917
20 Vigesimal 15949d3
36 Base36 1cib6f

Cryptographic Hash Functions

md5 71e11aa6a9c819b53dd1a17d2bdd78ac
sha1 f7299ec845ee3e152702a1d529276197ec0fb5b8
sha256 f6526ad05451b914c9362f8556693c5d8695f7364cc1d8f0e394ece55073c247
sha512 6d8d56f394b55dedb28e3dfd9590a4fca251ab0d415d517fe0e9429b1cae70510453de3a42ee58ff1274af34fbe052f936284b33a1605d2a301ecc8bfd414007
ripemd-160 5cc72d5dc6a8f04e4c160b4455492be5f39f35e9

81475863 as geometric shapes

Circle

Radius = n
Diameter 162951726
Circumference 511927945.29138
Area 2.0854885568216E+16

Sphere

Radius = n
Volume 2.2655597325822E+24
Surface area 8.3419542272863E+16
Circumference 511927945.29138

Square

Length = n
Perimeter 325903452
Area 6638316251594769
Diagonal 115224270.46065

Cube

Length = n
Surface area 39829897509568614
Volume 5.4086254546561E+23
Space diagonal 141120334.30652

Equilateral Triangle

Length = n
Perimeter 244427589
Area 2.8744752561181E+15
Altitude 70560167.153261

Triangular Pyramid

Length = n
Surface area 2.8744752561181E+15
Volume 6.3741262264758E+22
Height 38408090.153551