78312990 (number)

78312990 is an even 8-digits composite number following 78312989 and preceding 78312991. In scientific notation, it is written as 7.8312990 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 17680512 positive integers (up to 78312990) that are relatively prime to 78312990.

Interesting facts

Basic properties

Name

Name seventy-eight million three hundred twelve thousand nine hundred ninety

Notation

Scientific notation 7.8312990 × 10^7
Engineering notation 7.8312990 × 10^6

Prime Factorization of 78312990

Prime Factorization 2 × 21 × 5 × 83 × 4493

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 78312990
Product of the distinct prime numbers

The prime factorization of 78312990 is 2 × 21 × 5 × 83 × 4493. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 2, 48, 44, 440, 847, 9778, 1992, 73054, 66359, 779350, 263449, 6775334, 3134973, 9240011, 32177908, 163225646, 148921508, 7419296868, 4083596368

Basic calculations (n = 78312990)

Multiplication

n×y
n×2 156625980
n×3 234938970
n×4 313251960
n×5 391564950

Division

n÷y
n÷2 39156495
n÷3 26104330
n÷3 19578247.5
n÷5 15662598

Exponentiation

ny
n2 6132924402740100
n3 4.8028764742254E+23
n4 3.7612761729725E+31
n5 2.9455678332123E+39

Nth Root

y√n
2√n 8849.4626955539
3√n 427.836600945
4√n 94.071582826877
5√n 37.911132767291

Divisors of 78312990

1, 2, 5, 10, 21, 42, 83, 105, 166, 210, 415, 830, 1743, 3486, 4493, 8715, 8986, 17430, 22465, 44930, 94353, 188706, 372919, 471765, 745838, 943530, 1864595, 3729190, 7831299, 15662598, 39156495, 78312990

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78312989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78312990 can be divided by 32 positive divisors. The sum of these divisors (counting 78312990) is 1, the average is 0.03125.

Base conversion 78312990

Base System Value
2 Binary 100101010101111011000011110
3 Ternary 12110100201020010
4 Quaternary 10222233120132
5 Quinary 130022003430
6 Senary 11434304050
8 Octal 452573036
10 Decimal 78312990
12 Duodecimal 22288026
16 Hexadecimal 4aaf61e
20 Vigesimal 149929a
36 Base36 1amiou

Cryptographic Hash Functions

md5 a68a396815d11713a494a871d4ae1a21
sha1 cb334ce60020851bb1e2670c35e33d8c8bb62637
sha256 6252102784a30792e81be8d36ad07cd989ec6ad4adfa7ec281bc4d99245525a9
sha512 cded054aef131be4da3e33a3afe5f0778eb1eb9c8dbf930de0e3ea66019e3634a49560b6f7f17ccb3bab3690f0b57e50dda39c1146df3f3a5ffd910dfcfebe26
ripemd-160 6cb33fe0eee7d212d71e5b856c43e01478d030ad

78312990 as geometric shapes

Circle

Radius = n
Diameter 156625980
Circumference 492055028.1293
Area 1.926715024867E+16

Sphere

Radius = n
Volume 2.0118241930034E+24
Surface area 7.7068600994679E+16
Circumference 492055028.1293

Square

Length = n
Perimeter 313251960
Area 6132924402740100
Diagonal 110751292.56799

Cube

Length = n
Surface area 36797546416440600
Volume 4.8028764742254E+23
Space diagonal 135642077.57263

Equilateral Triangle

Length = n
Perimeter 234938970
Area 2.6556341661312E+15
Altitude 67821038.786317

Triangular Pyramid

Length = n
Surface area 2.6556341661312E+15
Volume 5.6602442068769E+22
Height 36917097.522663