78811221 (number)

78811221 is an odd 8-digits composite number following 78811220 and preceding 78811222. In scientific notation, it is written as 7.8811221 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 48428928 positive integers (up to 78811221) that are relatively prime to 78811221.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8811221 × 10^7
Engineering notation 7.8811221 × 10^6

Prime Factorization of 78811221

Prime Factorization 3 × 19 × 37 × 37369

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78811221
Product of the distinct prime numbers

The prime factorization of 78811221 is 3 × 19 × 37 × 37369. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78811221)

Multiplication

n×y
n×2 157622442
n×3 236433663
n×4 315244884
n×5 394056105

Division

n÷y
n÷2 39405610.5
n÷3 26270407
n÷3 19702805.25
n÷5 15762244.2

Exponentiation

ny
n2 6211208555510841
n3 4.8951293014546E+23
n4 3.8579111720051E+31
n5 3.0404668997526E+39

Nth Root

y√n
2√n 8877.5684170836
3√n 428.74198927084
4√n 94.220849163461
5√n 37.959248964722

Divisors of 78811221

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78811220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78811221 can be divided by 16 positive divisors. The sum of these divisors (counting 78811221) is 1, the average is 0.0625.

Base conversion 78811221

Base System Value
2 Binary 100101100101001000001010101
3 Ternary 12111022000200010
4 Quaternary 10230221001111
5 Quinary 130133424341
6 Senary 11453110433
8 Octal 454510125
10 Decimal 78811221
12 Duodecimal 22488419
16 Hexadecimal 4b29055
20 Vigesimal 14cb811
36 Base36 1ax74l

Cryptographic Hash Functions

md5 aecc740c3664dfa5a9bb4ad8d5395715
sha1 d8367dcbe8b9b2344436314e4b683770082e7d24
sha256 88bd8d82d1e63328d5b110f8da21f3c354ef875e9287bb45b29ea6c221ec4742
sha512 af4b43e867aee761b3fdb6923583dfb2370164e1e2dc1fe4062ad435a7efc5cf282dde443faef731e49a29ba1c268bd3c08a7ac5318f7af4315724840323aae6
ripemd-160 44f4a9173be89b59b122848bcce5b76d92e1b55b

78811221 as geometric shapes

Circle

Radius = n
Diameter 157622442
Circumference 495185505.82808
Area 1.9513087167907E+16

Sphere

Radius = n
Volume 2.0504669669096E+24
Surface area 7.8052348671628E+16
Circumference 495185505.82808

Square

Length = n
Perimeter 315244884
Area 6211208555510841
Diagonal 111455897.60538

Cube

Length = n
Surface area 37267251333065046
Volume 4.8951293014546E+23
Space diagonal 136505038.97854

Equilateral Triangle

Length = n
Perimeter 236433663
Area 2.6895321986378E+15
Altitude 68252519.48927

Triangular Pyramid

Length = n
Surface area 2.6895321986378E+15
Volume 5.7689652064058E+22
Height 37151965.868461