81649084 (number)

81649084 is an even 8-digits composite number following 81649083 and preceding 81649085. In scientific notation, it is written as 8.1649084 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 36109440 positive integers (up to 81649084) that are relatively prime to 81649084.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred forty-nine thousand eighty-four

Notation

Scientific notation 8.1649084 × 10^7
Engineering notation 8.1649084 × 10^6

Prime Factorization of 81649084

Prime Factorization 2 × 2 × 11 × 37 × 50153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40824542
Product of the distinct prime numbers

The prime factorization of 81649084 is 2 × 2 × 11 × 37 × 50153. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 40, 81, 705, 912, 7075, 926, 29614, 59803, 836669, 845391, 9148678, 5286654, 11535816, 40635814, 615007822, 820627802, 2410322440, 8215796997

Basic calculations (n = 81649084)

Multiplication

n×y
n×2 163298168
n×3 244947252
n×4 326596336
n×5 408245420

Division

n÷y
n÷2 40824542
n÷3 27216361.333333
n÷3 20412271
n÷5 16329816.8

Exponentiation

ny
n2 6666572918039056
n3 5.443195721771E+23
n4 4.4443194471532E+31
n5 3.6287461186344E+39

Nth Root

y√n
2√n 9035.988269138
3√n 433.82752743885
4√n 95.057815402722
5√n 38.228764580507

Divisors of 81649084

1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 50153, 100306, 200612, 551683, 1103366, 1855661, 2206732, 3711322, 7422644, 20412271, 40824542, 81649084

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81649083
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81649084 can be divided by 24 positive divisors. The sum of these divisors (counting 81649084) is 1, the average is 0.041666666666667.

Base conversion 81649084

Base System Value
2 Binary 100110111011101110110111100
3 Ternary 12200122012111011
4 Quaternary 10313131312330
5 Quinary 131400232314
6 Senary 12034005004
8 Octal 467356674
10 Decimal 81649084
12 Duodecimal 23416764
16 Hexadecimal 4ddddbc
20 Vigesimal 15a62e4
36 Base36 1cm0u4

Cryptographic Hash Functions

md5 a5ecfb126870c831ffc738b0ffd77722
sha1 8e5bd68e93aa42ab6b347e0b8a9912eb8dc75be9
sha256 b8e33ae5cf4e24ee257b3b2379d140af6fe9e8fd1c5ca13b6a7d0ce4dfa42a3d
sha512 c3c7778d6db87f0dfa5edbf5f9d272b7bb2ebc8a4bc4853e3d8ac608235f23566828196767006b9bb4e94866ce9df3babdd3d819fee64fd168e8e69fe3cb530a
ripemd-160 b773ece38d0138946c0dd107e0b6734e6d66d68b

81649084 as geometric shapes

Circle

Radius = n
Diameter 163298168
Circumference 513016324.93347
Area 2.0943656503932E+16

Sphere

Radius = n
Volume 2.2800404922089E+24
Surface area 8.3774626015729E+16
Circumference 513016324.93347

Square

Length = n
Perimeter 326596336
Area 6666572918039056
Diagonal 115469241.94814

Cube

Length = n
Surface area 39999437508234336
Volume 5.443195721771E+23
Space diagonal 141420361.87946

Equilateral Triangle

Length = n
Perimeter 244947252
Area 2.8867107516016E+15
Altitude 70710180.93973

Triangular Pyramid

Length = n
Surface area 2.8867107516016E+15
Volume 6.4148676769831E+22
Height 38489747.316047