78838891 (number)

78838891 is an odd 8-digits composite number following 78838890 and preceding 78838892. In scientific notation, it is written as 7.8838891 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 78716392 positive integers (up to 78838891) that are relatively prime to 78838891.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred thirty-eight thousand eight hundred ninety-one

Notation

Scientific notation 7.8838891 × 10^7
Engineering notation 7.8838891 × 10^6

Prime Factorization of 78838891

Prime Factorization 647 × 121853

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78838891
Product of the distinct prime numbers

The prime factorization of 78838891 is 647 × 121853. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 45, 18, 12, 58, 6197, 6669, 5037, 73843, 852130, 49207, 3267710, 7150875, 19096838, 48830630, 47222978, 318400895, 5177597529, 6521734132

Basic calculations (n = 78838891)

Multiplication

n×y
n×2 157677782
n×3 236516673
n×4 315355564
n×5 394194455

Division

n÷y
n÷2 39419445.5
n÷3 26279630.333333
n÷3 19709722.75
n÷5 15767778.2

Exponentiation

ny
n2 6215570734109881
n3 4.9002870360928E+23
n4 3.8633319550723E+31
n5 3.0458080690276E+39

Nth Root

y√n
2√n 8879.1267025536
3√n 428.79215938026
4√n 94.229118124673
5√n 37.961914029242

Divisors of 78838891

1, 647, 121853, 78838891

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 -78838890
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 78838891 can be divided by 4 positive divisors. The sum of these divisors (counting 78838891) is 1, the average is 0.25.

Base conversion 78838891

Base System Value
2 Binary 100101100101111110001101011
3 Ternary 12111100102121221
4 Quaternary 10230233301223
5 Quinary 130140321031
6 Senary 11453442511
8 Octal 454576153
10 Decimal 78838891
12 Duodecimal 224a0437
16 Hexadecimal 4b2fc6b
20 Vigesimal 14ceh4b
36 Base36 1axsh7

Cryptographic Hash Functions

md5 ab6ce57368b1bc922492a71f46a33617
sha1 613d1e3846430606e8e437a90e9233c0bb722c03
sha256 652e51932d1c2e963d3a528802b60a506313855ac5cc2467f3c6322e7cee5619
sha512 8c3c2b535db70896a55ac276d237d17fc4e42f317ece0a000e110fb5e0b62835e1642d9143b0ee0211e371b105a77b32a10a9cb93bfdb94dcb1e5b76228918b5
ripemd-160 386ba4e978607219080a1f63f369b939feda5c8f

78838891 as geometric shapes

Circle

Radius = n
Diameter 157677782
Circumference 495359361.56553
Area 1.9526791356147E+16

Sphere

Radius = n
Volume 2.0526274337427E+24
Surface area 7.8107165424589E+16
Circumference 495359361.56553

Square

Length = n
Perimeter 315355564
Area 6215570734109881
Diagonal 111495028.89465

Cube

Length = n
Surface area 37293424404659286
Volume 4.9002870360928E+23
Space diagonal 136552964.82438

Equilateral Triangle

Length = n
Perimeter 236516673
Area 2.6914210773791E+15
Altitude 68276482.412192

Triangular Pyramid

Length = n
Surface area 2.6914210773791E+15
Volume 5.7750436549696E+22
Height 37165009.631551