81363902 (number)

81363902 is an even 8-digits composite number following 81363901 and preceding 81363903. In scientific notation, it is written as 8.1363902 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 38828160 positive integers (up to 81363902) that are relatively prime to 81363902.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-three thousand nine hundred two

Notation

Scientific notation 8.1363902 × 10^7
Engineering notation 8.1363902 × 10^6

Prime Factorization of 81363902

Prime Factorization 2 × 31 × 73 × 17977

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81363902
Product of the distinct prime numbers

The prime factorization of 81363902 is 2 × 31 × 73 × 17977. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81363902)

Multiplication

n×y
n×2 162727804
n×3 244091706
n×4 325455608
n×5 406819510

Division

n÷y
n÷2 40681951
n÷3 27121300.666667
n÷3 20340975.5
n÷5 16272780.4

Exponentiation

ny
n2 6620084548665604
n3 5.3863591044934E+23
n4 4.3825519431481E+31
n5 3.5658152681221E+39

Nth Root

y√n
2√n 9020.1941220796
3√n 433.3218507148
4√n 94.974702537463
5√n 38.202022286482

Divisors of 81363902

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 -81363901
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 81363902 can be divided by 16 positive divisors. The sum of these divisors (counting 81363902) is 1, the average is 0.0625.

Base conversion 81363902

Base System Value
2 Binary 100110110011000001110111110
3 Ternary 12200002201021212
4 Quaternary 10312120032332
5 Quinary 131312121102
6 Senary 12023524422
8 Octal 466301676
10 Decimal 81363902
12 Duodecimal 232b9712
16 Hexadecimal 4d983be
20 Vigesimal 158a9f2
36 Base36 1cfwse

Cryptographic Hash Functions

md5 d66ae66177be115542c8983fd4f16779
sha1 beda08b5859860204312232073c4e8e31bf38c97
sha256 5bd80df17b4da545daf599f39ccf8873607b20e97f6f616f4ebc45040b5c098e
sha512 b48e10b6160989d606eb2c1ffffd8043935434512dc850dccfb22853598a80dd0d293dc03d6bc6c73f31f98d8d1777145cc211db82472112c933780fb3bf5ba7
ripemd-160 c6a151101c3e92719cdccbb65624127d2eb8b60a

81363902 as geometric shapes

Circle

Radius = n
Diameter 162727804
Circumference 511224473.5812
Area 2.0797608984231E+16

Sphere

Radius = n
Volume 2.2562328256364E+24
Surface area 8.3190435936925E+16
Circumference 511224473.5812

Square

Length = n
Perimeter 325455608
Area 6620084548665604
Diagonal 115065933.696

Cube

Length = n
Surface area 39720507291993624
Volume 5.3863591044934E+23
Space diagonal 140926412.16605

Equilateral Triangle

Length = n
Perimeter 244091706
Area 2.8665806971726E+15
Altitude 70463206.083027

Triangular Pyramid

Length = n
Surface area 2.8665806971726E+15
Volume 6.3478850811553E+22
Height 38355311.231998