78868909 (number)

78868909 is an odd 8-digits composite number following 78868908 and preceding 78868910. In scientific notation, it is written as 7.8868909 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 64662576 positive integers (up to 78868909) that are relatively prime to 78868909.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred sixty-eight thousand nine hundred nine

Notation

Scientific notation 7.8868909 × 10^7
Engineering notation 7.8868909 × 10^6

Prime Factorization of 78868909

Prime Factorization 7 × 23 × 489869

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78868909
Product of the distinct prime numbers

The prime factorization of 78868909 is 7 × 23 × 489869. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78868909)

Multiplication

n×y
n×2 157737818
n×3 236606727
n×4 315475636
n×5 394344545

Division

n÷y
n÷2 39434454.5
n÷3 26289636.333333
n÷3 19717227.25
n÷5 15773781.8

Exponentiation

ny
n2 6220304806850281
n3 4.9058865376374E+23
n4 3.8692191890125E+31
n5 3.0516109611928E+39

Nth Root

y√n
2√n 8880.8169106226
3√n 428.84657351357
4√n 94.238086306029
5√n 37.964804397709

Divisors of 78868909

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78868908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78868909 can be divided by 8 positive divisors. The sum of these divisors (counting 78868909) is 1, the average is 0.125.

Base conversion 78868909

Base System Value
2 Binary 100101100110111000110101101
3 Ternary 12111101221210201
4 Quaternary 10230313012231
5 Quinary 130142301114
6 Senary 11454233501
8 Octal 454670655
10 Decimal 78868909
12 Duodecimal 224b5891
16 Hexadecimal 4b371ad
20 Vigesimal 14cic59
36 Base36 1ayfn1

Cryptographic Hash Functions

md5 09994e3012d5acf60c3dc821b96bb73d
sha1 eb10fe915dd9b42f85d4ecac9543c11f58a3b627
sha256 717d8fb7ba7305bac153b3acdbb0f567bd17a0dd9c4650d8f783470f262d2369
sha512 fcd33f2a3dcac1b9c716361e4216958c40e14853a6c96edc2f0d76cb90ebb459f4e223ae877654bcd722a87184e5d7aea20c2c4b3b37b9f15da9727b9639a83a
ripemd-160 3d123880779608c6a520dee9a49fb0ae2f7466c0

78868909 as geometric shapes

Circle

Radius = n
Diameter 157737818
Circumference 495547970.22208
Area 1.954166388429E+16

Sphere

Radius = n
Volume 2.0549729474649E+24
Surface area 7.816665553716E+16
Circumference 495547970.22208

Square

Length = n
Perimeter 315475636
Area 6220304806850281
Diagonal 111537480.75737

Cube

Length = n
Surface area 37321828841101686
Volume 4.9058865376374E+23
Space diagonal 136604957.52553

Equilateral Triangle

Length = n
Perimeter 236606727
Area 2.6934709910074E+15
Altitude 68302478.762763

Triangular Pyramid

Length = n
Surface area 2.6934709910074E+15
Volume 5.7816427308253E+22
Height 37179160.252456