81222908 (number)

81222908 is an even 8-digits composite number following 81222907 and preceding 81222909. In scientific notation, it is written as 8.1222908 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 37425024 positive integers (up to 81222908) that are relatively prime to 81222908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1222908 × 10^7
Engineering notation 8.1222908 × 10^6

Prime Factorization of 81222908

Prime Factorization 2 × 2 × 13 × 937 × 1667

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40611454
Product of the distinct prime numbers

The prime factorization of 81222908 is 2 × 2 × 13 × 937 × 1667. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 2, 71, 17, 772, 784, 451, 1002, 25155, 9088, 460915, 351220, 4586485, 8189591, 96828181, 8700032, 972727693, 629488064, 8062789911, 2632510723

Basic calculations (n = 81222908)

Multiplication

n×y
n×2 162445816
n×3 243668724
n×4 324891632
n×5 406114540

Division

n÷y
n÷2 40611454
n÷3 27074302.666667
n÷3 20305727
n÷5 16244581.6

Exponentiation

ny
n2 6597160783976464
n3 5.3584058341813E+23
n4 4.3522530409637E+31
n5 3.5350264833891E+39

Nth Root

y√n
2√n 9012.3752695946
3√n 433.07140752433
4√n 94.933530797051
5√n 38.188773184161

Divisors of 81222908

1, 2, 4, 13, 26, 52, 937, 1667, 1874, 3334, 3748, 6668, 12181, 21671, 24362, 43342, 48724, 86684, 1561979, 3123958, 6247916, 20305727, 40611454, 81222908

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 -81222907
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 81222908 can be divided by 24 positive divisors. The sum of these divisors (counting 81222908) is 1, the average is 0.041666666666667.

Base conversion 81222908

Base System Value
2 Binary 100110101110101110011111100
3 Ternary 12122211112212212
4 Quaternary 10311311303330
5 Quinary 131243113113
6 Senary 12020515552
8 Octal 465656374
10 Decimal 81222908
12 Duodecimal 2324bbb8
16 Hexadecimal 4d75cfc
20 Vigesimal 157ch58
36 Base36 1ccvzw

Cryptographic Hash Functions

md5 532a1928d299bb13b85c8a101be061d5
sha1 f0b66068e9d165676f44650d554ec5bdb8adddb9
sha256 6de6ea17abab1c9ee6bd85215e088a5f4b110e56e685530e665a08c81c0d183a
sha512 2e3dfe71a2ae86fbdc102827dbd40a85192585e943b93d93c4330b3a760b6d2687f3a8b63c70a03cfce3a78ca88486240971f3bb283a8c11f4cd869c52dde4d7
ripemd-160 00fe8ab98a465a38acac9e2a739c1c49999081e3

81222908 as geometric shapes

Circle

Radius = n
Diameter 162445816
Circumference 510338582.152
Area 2.0725591853491E+16

Sphere

Radius = n
Volume 2.2445237871489E+24
Surface area 8.2902367413965E+16
Circumference 510338582.152

Square

Length = n
Perimeter 324891632
Area 6597160783976464
Diagonal 114866538.06898

Cube

Length = n
Surface area 39582964703858784
Volume 5.3584058341813E+23
Space diagonal 140682203.39449

Equilateral Triangle

Length = n
Perimeter 243668724
Area 2.856654415887E+15
Altitude 70341101.697246

Triangular Pyramid

Length = n
Surface area 2.856654415887E+15
Volume 6.3149418361652E+22
Height 38288846.022994