78984940 (number)

78984940 is an even 8-digits composite number following 78984939 and preceding 78984941. In scientific notation, it is written as 7.8984940 × 10^7. The sum of its digits is 49. It has a total of 4 prime factors and 12 positive divisors. There are 31593968 positive integers (up to 78984940) that are relatively prime to 78984940.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred eighty-four thousand nine hundred forty

Notation

Scientific notation 7.8984940 × 10^7
Engineering notation 7.8984940 × 10^6

Prime Factorization of 78984940

Prime Factorization 2 × 2 × 5 × 3949247

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 39492470
Product of the distinct prime numbers

The prime factorization of 78984940 is 2 × 2 × 5 × 3949247. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 91, 70, 750, 952, 3558, 8204, 65990, 14848, 960226, 482028, 4812042, 986927, 87157755, 84433998, 800302321, 510428069, 937086801, 3668709851

Basic calculations (n = 78984940)

Multiplication

n×y
n×2 157969880
n×3 236954820
n×4 315939760
n×5 394924700

Division

n÷y
n÷2 39492470
n÷3 26328313.333333
n÷3 19746235
n÷5 15796988

Exponentiation

ny
n2 6238620746803600
n3 4.9275708536904E+23
n4 3.8920388822448E+31
n5 3.0741245759178E+39

Nth Root

y√n
2√n 8887.3471857467
3√n 429.05677512308
4√n 94.272727688058
5√n 37.975968503494

Divisors of 78984940

1, 2, 4, 5, 10, 20, 3949247, 7898494, 15796988, 19746235, 39492470, 78984940

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78984939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78984940 can be divided by 12 positive divisors. The sum of these divisors (counting 78984940) is 1, the average is 0.083333333333333.

Base conversion 78984940

Base System Value
2 Binary 100101101010011011011101100
3 Ternary 12111121211222011
4 Quaternary 10231103123230
5 Quinary 130210004230
6 Senary 11500531004
8 Octal 455233354
10 Decimal 78984940
12 Duodecimal 22550a64
16 Hexadecimal 4b536ec
20 Vigesimal 14dd270
36 Base36 1b0x64

Cryptographic Hash Functions

md5 3d7d736a519343f71aea2228ba638022
sha1 d7fb62ff0deb9f3f13b199a97487e1cf2488ea7f
sha256 351e03d3bb70990a74f4720fce2cae1128398821d938ec36d819dd9bc50986be
sha512 985612ca98d636ba71a6a770b11d62f43371c054213219012e66e79c9f9a3df3f4d9f5ee703ad1bfb1953764674e71085adf328587afbe7f9c8d45991fca8183
ripemd-160 72afc09a3bcda1b414b16806f3d3e759dfb5366b

78984940 as geometric shapes

Circle

Radius = n
Diameter 157969880
Circumference 496277014.49646
Area 1.9599205106691E+16

Sphere

Radius = n
Volume 2.0640560525329E+24
Surface area 7.8396820426764E+16
Circumference 496277014.49646

Square

Length = n
Perimeter 315939760
Area 6238620746803600
Diagonal 111701573.37123

Cube

Length = n
Surface area 37431724480821600
Volume 4.9275708536904E+23
Space diagonal 136805929.11278

Equilateral Triangle

Length = n
Perimeter 236954820
Area 2.7014020256543E+15
Altitude 68402964.55639

Triangular Pyramid

Length = n
Surface area 2.7014020256543E+15
Volume 5.8071979423694E+22
Height 37233857.790408