81363904 (number)

81363904 is an even 8-digits composite number following 81363903 and preceding 81363905. In scientific notation, it is written as 8.1363904 × 10^7. The sum of its digits is 34. It has a total of 10 prime factors and 84 positive divisors. There are 37113856 positive integers (up to 81363904) that are relatively prime to 81363904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1363904 × 10^7
Engineering notation 8.1363904 × 10^6

Prime Factorization of 81363904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 83 × 17 × 17 × 53

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 149566
Product of the distinct prime numbers

The prime factorization of 81363904 is 2 × 2 × 2 × 2 × 2 × 2 × 83 × 17 × 17 × 53. Since it has a total of 10 prime factors.

Most popular turbo-numbers

4, 9, 54, 66, 286, 180, 8561, 7742, 51944, 24358, 926638, 595029, 3356534, 3438930, 22917688, 44032134, 473438162, 57201642, 6524087627, 9785722782

Basic calculations (n = 81363904)

Multiplication

n×y
n×2 162727808
n×3 244091712
n×4 325455616
n×5 406819520

Division

n÷y
n÷2 40681952
n÷3 27121301.333333
n÷3 20340976
n÷5 16272780.8

Exponentiation

ny
n2 6620084874121216
n3 5.3863595016985E+23
n4 4.3825523740569E+31
n5 3.5658157063773E+39

Nth Root

y√n
2√n 9020.194232942
3√n 433.32185426528
4√n 94.974703121105
5√n 38.20202247429

Divisors of 81363904

1, 2, 4, 8, 16, 17, 32, 34, 53, 64, 68, 83, 106, 136, 166, 212, 272, 289, 332, 424, 544, 578, 664, 848, 901, 1088, 1156, 1328, 1411, 1696, 1802, 2312, 2656, 2822, 3392, 3604, 4399, 4624, 5312, 5644, 7208, 8798, 9248, 11288, 14416, 15317, 17596, 18496, 22576, 23987, 28832, 30634, 35192, 45152, 47974, 57664, 61268, 70384, 74783, 90304, 95948, 122536, 140768, 149566, 191896, 245072, 281536, 299132, 383792, 490144, 598264, 767584, 980288, 1196528, 1271311, 1535168, 2393056, 2542622, 4786112, 5085244, 10170488, 20340976, 40681952, 81363904

84 divisors

τ Total Divisors 84
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81363903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.011904761904762
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 84
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81363904 can be divided by 84 positive divisors. The sum of these divisors (counting 81363904) is 1, the average is 0.011904761904762.

Base conversion 81363904

Base System Value
2 Binary 100110110011000001111000000
3 Ternary 12200002201021221
4 Quaternary 10312120033000
5 Quinary 131312121104
6 Senary 12023524424
8 Octal 466301700
10 Decimal 81363904
12 Duodecimal 232b9714
16 Hexadecimal 4d983c0
20 Vigesimal 158a9f4
36 Base36 1cfwsg

Cryptographic Hash Functions

md5 97aaab9d67d536bf83070e398dc13e33
sha1 20510b9d5ec9194dbb28d661ef99d2235c0cc81f
sha256 8c62bcff348eb42966ddedaa71b0482a090317dd33db7c8d13e957e8c5f34b46
sha512 107b5c594add99d60756e8bb562604b89f40de65368b1269673d14a7c3fa612c10f2c44dc04bb71be3ed4115db3e8f0249df788db3e58652600323cc3e199e60
ripemd-160 e77b7de17d4e7cae26b7220a9e86581fbfb205c4

81363904 as geometric shapes

Circle

Radius = n
Diameter 162727808
Circumference 511224486.14757
Area 2.079761000668E+16

Sphere

Radius = n
Volume 2.2562329920173E+24
Surface area 8.319044002672E+16
Circumference 511224486.14757

Square

Length = n
Perimeter 325455616
Area 6620084874121216
Diagonal 115065936.52442

Cube

Length = n
Surface area 39720509244727296
Volume 5.3863595016985E+23
Space diagonal 140926415.63016

Equilateral Triangle

Length = n
Perimeter 244091712
Area 2.866580838099E+15
Altitude 70463207.815078

Triangular Pyramid

Length = n
Surface area 2.866580838099E+15
Volume 6.347885549266E+22
Height 38355312.174808