81223908 (number)

81223908 is an even 8-digits composite number following 81223907 and preceding 81223909. In scientific notation, it is written as 8.1223908 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 27074632 positive integers (up to 81223908) that are relatively prime to 81223908.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred twenty-three thousand nine hundred eight

Notation

Scientific notation 8.1223908 × 10^7
Engineering notation 8.1223908 × 10^6

Prime Factorization of 81223908

Prime Factorization 2 × 2 × 3 × 6768659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40611954
Product of the distinct prime numbers

The prime factorization of 81223908 is 2 × 2 × 3 × 6768659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81223908)

Multiplication

n×y
n×2 162447816
n×3 243671724
n×4 324895632
n×5 406119540

Division

n÷y
n÷2 40611954
n÷3 27074636
n÷3 20305977
n÷5 16244781.6

Exponentiation

ny
n2 6597323230792464
n3 5.3586037514415E+23
n4 4.3524673811554E+31
n5 3.5352441013997E+39

Nth Root

y√n
2√n 9012.4307486937
3√n 433.07318481287
4√n 94.933822996305
5√n 38.188867218187

Divisors of 81223908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81223907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81223908 can be divided by 12 positive divisors. The sum of these divisors (counting 81223908) is 1, the average is 0.083333333333333.

Base conversion 81223908

Base System Value
2 Binary 100110101110110000011100100
3 Ternary 12122211121020220
4 Quaternary 10311312003210
5 Quinary 131243131113
6 Senary 12020524340
8 Octal 465660344
10 Decimal 81223908
12 Duodecimal 232506b0
16 Hexadecimal 4d760e4
20 Vigesimal 157cjf8
36 Base36 1ccwro

Cryptographic Hash Functions

md5 505ba2d0963d695292317f959753f032
sha1 2bd827190ed48384ee55f3ef0e5297e262bbc483
sha256 8a9d40f4490508babcb1a1a9158b816c76fb185435dac095dab19392d5800e50
sha512 d3204d40e175ecd6b4d931ad2e5801f1b3d55f28d2c19d3d205da23655d509d6f0f37da773fecec657e3ad48bbbf193f9151b5abc49d1b79364638add8662d46
ripemd-160 2c42023b1730eb518295d75ac0d3112bf9fde353

81223908 as geometric shapes

Circle

Radius = n
Diameter 162447816
Circumference 510344865.33731
Area 2.0726102195215E+16

Sphere

Radius = n
Volume 2.244606690537E+24
Surface area 8.290440878086E+16
Circumference 510344865.33731

Square

Length = n
Perimeter 324895632
Area 6597323230792464
Diagonal 114867952.28254

Cube

Length = n
Surface area 39583939384754784
Volume 5.3586037514415E+23
Space diagonal 140683935.4453

Equilateral Triangle

Length = n
Perimeter 243671724
Area 2.8567247574218E+15
Altitude 70341967.72265

Triangular Pyramid

Length = n
Surface area 2.8567247574218E+15
Volume 6.3151750838933E+22
Height 38289317.427515