78990400 (number)

78990400 is an even 8-digits composite number following 78990399 and preceding 78990401. In scientific notation, it is written as 7.8990400 × 10^7. The sum of its digits is 37. It has a total of 8 prime factors and 28 positive divisors. There are 31595520 positive integers (up to 78990400) that are relatively prime to 78990400.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred ninety thousand four hundred

Notation

Scientific notation 7.8990400 × 10^7
Engineering notation 7.8990400 × 10^6

Prime Factorization of 78990400

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 25 × 49369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2468450
Product of the distinct prime numbers

The prime factorization of 78990400 is 2 × 2 × 2 × 2 × 2 × 2 × 25 × 49369. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 5, 14, 98, 476, 969, 8879, 1713, 96684, 54688, 521295, 728910, 8412472, 9804153, 26652877, 18746306, 568953331, 914302491, 7495190134, 5736325240

Basic calculations (n = 78990400)

Multiplication

n×y
n×2 157980800
n×3 236971200
n×4 315961600
n×5 394952000

Division

n÷y
n÷2 39495200
n÷3 26330133.333333
n÷3 19747600
n÷5 15798080

Exponentiation

ny
n2 6239483292160000
n3 4.9285928104104E+23
n4 3.8931151753144E+31
n5 3.0751872494415E+39

Nth Root

y√n
2√n 8887.6543587158
3√n 429.0666613791
4√n 94.274356845941
5√n 37.976493522706

Divisors of 78990400

1, 2, 4, 8, 16, 25, 32, 50, 64, 100, 200, 400, 800, 1600, 49369, 98738, 197476, 394952, 789904, 1234225, 1579808, 2468450, 3159616, 4936900, 9873800, 19747600, 39495200, 78990400

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78990399
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78990400 can be divided by 28 positive divisors. The sum of these divisors (counting 78990400) is 1, the average is 0.035714285714286.

Base conversion 78990400

Base System Value
2 Binary 100101101010100110001000000
3 Ternary 12111122010110101
4 Quaternary 10231110301000
5 Quinary 130210143100
6 Senary 11501012144
8 Octal 455246100
10 Decimal 78990400
12 Duodecimal 22554054
16 Hexadecimal 4b54c40
20 Vigesimal 14ddg00
36 Base36 1b11ds

Cryptographic Hash Functions

md5 33230f2ed70689f6f35d7c0c0889200a
sha1 25a96ccb5d14e95b471c6d97b40a4ccd7f96802a
sha256 f918f6e1759fbf633a66ac6e45a9aa389596f9808ab213f4c079784baafa5ffe
sha512 78745166589164492a29a47f59a2fb341700f0bcfb2c557becd363e54b79dbc386240516b357b648e9104fe44615a227ad1aacb53f886f29857dd2fd480769ff
ripemd-160 c91502803df8abea14474c4897fd4c2e6d00757a

78990400 as geometric shapes

Circle

Radius = n
Diameter 157980800
Circumference 496311320.68824
Area 1.9601914872846E+16

Sphere

Radius = n
Volume 2.0644841287628E+24
Surface area 7.8407659491384E+16
Circumference 496311320.68824

Square

Length = n
Perimeter 315961600
Area 6239483292160000
Diagonal 111709294.97728

Cube

Length = n
Surface area 37436899752960000
Volume 4.9285928104104E+23
Space diagonal 136815386.11019

Equilateral Triangle

Length = n
Perimeter 236971200
Area 2.7017755187496E+15
Altitude 68407693.055094

Triangular Pyramid

Length = n
Surface area 2.7017755187496E+15
Volume 5.808402329914E+22
Height 37236431.659092