78978980 (number)

78978980 is an even 8-digits composite number following 78978979 and preceding 78978981. In scientific notation, it is written as 7.8978980 × 10^7. The sum of its digits is 56. It has a total of 5 prime factors and 24 positive divisors. There are 31146080 positive integers (up to 78978980) that are relatively prime to 78978980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8978980 × 10^7
Engineering notation 7.8978980 × 10^6

Prime Factorization of 78978980

Prime Factorization 2 × 2 × 5 × 71 × 55619

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 39489490
Product of the distinct prime numbers

The prime factorization of 78978980 is 2 × 2 × 5 × 71 × 55619. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 7, 58, 776, 761, 5659, 8427, 74824, 94881, 899534, 408632, 7333985, 8957702, 84713255, 11174562, 431876266, 257854828, 3201346076, 9783153371

Basic calculations (n = 78978980)

Multiplication

n×y
n×2 157957960
n×3 236936940
n×4 315915920
n×5 394894900

Division

n÷y
n÷2 39489490
n÷3 26326326.666667
n÷3 19744745
n÷5 15795796

Exponentiation

ny
n2 6237679281840400
n3 4.9264554724689E+23
n4 3.8908642823101E+31
n5 3.0729649233528E+39

Nth Root

y√n
2√n 8887.0118712647
3√n 429.04598301216
4√n 94.270949243469
5√n 37.975395372454

Divisors of 78978980

1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 55619, 111238, 222476, 278095, 556190, 1112380, 3948949, 7897898, 15795796, 19744745, 39489490, 78978980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78978979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78978980 can be divided by 24 positive divisors. The sum of these divisors (counting 78978980) is 1, the average is 0.041666666666667.

Base conversion 78978980

Base System Value
2 Binary 100101101010001111110100100
3 Ternary 12111121112210102
4 Quaternary 10231101332210
5 Quinary 130204311410
6 Senary 11500443232
8 Octal 455217644
10 Decimal 78978980
12 Duodecimal 22549518
16 Hexadecimal 4b51fa4
20 Vigesimal 14dc790
36 Base36 1b0skk

Cryptographic Hash Functions

md5 afea81f7fd69aa23c976b73d85b058b4
sha1 ec846de6c73f65e7438bbbc8cfde8c5228bcfeb0
sha256 fe818e7ea02ae93e712570e0fe22db22b6c67a40682b5992fcc5bb86fb092167
sha512 01bda3d0fe8f49bebbf245efad010893ab9eb77b5b0f8e6ca47e591768e247460174d67421e3b970634acad8f6d04e546c3fd1f43f5935d0770506afbe873839
ripemd-160 9a8ec845e6920065c9de0435c17d75f68c01a172

78978980 as geometric shapes

Circle

Radius = n
Diameter 157957960
Circumference 496239566.71203
Area 1.9596247407279E+16

Sphere

Radius = n
Volume 2.0635888427394E+24
Surface area 7.8384989629116E+16
Circumference 496239566.71203

Square

Length = n
Perimeter 315915920
Area 6237679281840400
Diagonal 111693144.65839

Cube

Length = n
Surface area 37426075691042400
Volume 4.9264554724689E+23
Space diagonal 136795606.08997

Equilateral Triangle

Length = n
Perimeter 236936940
Area 2.7009943593668E+15
Altitude 68397803.044983

Triangular Pyramid

Length = n
Surface area 2.7009943593668E+15
Volume 5.8058834529939E+22
Height 37231048.219464