78291221 (number)

78291221 is an odd 8-digits composite number following 78291220 and preceding 78291222. In scientific notation, it is written as 7.8291221 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 78209292 positive integers (up to 78291221) that are relatively prime to 78291221.

Interesting facts

Basic properties

Name

Name seventy-eight million two hundred ninety-one thousand two hundred twenty-one

Notation

Scientific notation 7.8291221 × 10^7
Engineering notation 7.8291221 × 10^6

Prime Factorization of 78291221

Prime Factorization 967 × 80963

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78291221
Product of the distinct prime numbers

The prime factorization of 78291221 is 967 × 80963. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78291221)

Multiplication

n×y
n×2 156582442
n×3 234873663
n×4 313164884
n×5 391456105

Division

n÷y
n÷2 39145610.5
n÷3 26097073.666667
n÷3 19572805.25
n÷5 15658244.2

Exponentiation

ny
n2 6129515285670841
n3 4.7988723585333E+23
n4 3.7570957637272E+31
n5 2.9414761475613E+39

Nth Root

y√n
2√n 8848.232648388
3√n 427.79695474208
4√n 94.065044774284
5√n 37.909024868645

Divisors of 78291221

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78291220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78291221 can be divided by 4 positive divisors. The sum of these divisors (counting 78291221) is 1, the average is 0.25.

Base conversion 78291221

Base System Value
2 Binary 100101010101010000100010101
3 Ternary 12110022121100212
4 Quaternary 10222222010111
5 Quinary 130020304341
6 Senary 11434015205
8 Octal 452520425
10 Decimal 78291221
12 Duodecimal 22277505
16 Hexadecimal 4aaa115
20 Vigesimal 1496811
36 Base36 1am1w5

Cryptographic Hash Functions

md5 98c908615610bc0ffc1cd1363d719e74
sha1 ceff91f7aec7387f66f80411ee3336ddf5d73527
sha256 ebb5159c8def488ae3f822078e5957fe0ee33f70a1a90b3eb2d5ea718bd40ddf
sha512 abb6f032c6af397193015339e0f89a05ddeb9b496b6629fe761d2171f98daafbf4d2fdc8455271305d0c6ce6088ecd206109824aff05822b725c6a1cc8a0fcda
ripemd-160 e5ae31ee96359e09fb1c5b06db2b5ad67cff51e1

78291221 as geometric shapes

Circle

Radius = n
Diameter 156582442
Circumference 491918249.46835
Area 1.925644019153E+16

Sphere

Radius = n
Volume 2.0101469529445E+24
Surface area 7.7025760766119E+16
Circumference 491918249.46835

Square

Length = n
Perimeter 313164884
Area 6129515285670841
Diagonal 110720506.55295

Cube

Length = n
Surface area 36777091714025046
Volume 4.7988723585333E+23
Space diagonal 135604372.5586

Equilateral Triangle

Length = n
Perimeter 234873663
Area 2.654157975138E+15
Altitude 67802186.279302

Triangular Pyramid

Length = n
Surface area 2.654157975138E+15
Volume 5.6555253112793E+22
Height 36906835.51765