78390090 (number)

78390090 is an even 8-digits composite number following 78390089 and preceding 78390091. In scientific notation, it is written as 7.8390090 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 20904000 positive integers (up to 78390090) that are relatively prime to 78390090.

Interesting facts

Basic properties

Name

Name seventy-eight million three hundred ninety thousand ninety

Notation

Scientific notation 7.8390090 × 10^7
Engineering notation 7.8390090 × 10^6

Prime Factorization of 78390090

Prime Factorization 2 × 9 × 5 × 871001

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78390090
Product of the distinct prime numbers

The prime factorization of 78390090 is 2 × 9 × 5 × 871001. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78390090)

Multiplication

n×y
n×2 156780180
n×3 235170270
n×4 313560360
n×5 391950450

Division

n÷y
n÷2 39195045
n÷3 26130030
n÷3 19597522.5
n÷5 15678018

Exponentiation

ny
n2 6145006210208100
n3 4.8170758986877E+23
n4 3.7761101323496E+31
n5 2.960096131248E+39

Nth Root

y√n
2√n 8853.8178205789
3√n 427.97695817376
4√n 94.094727910648
5√n 37.918594614798

Divisors of 78390090

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78390089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78390090 can be divided by 16 positive divisors. The sum of these divisors (counting 78390090) is 1, the average is 0.0625.

Base conversion 78390090

Base System Value
2 Binary 100101011000010001101001010
3 Ternary 12110111121222200
4 Quaternary 10223002031022
5 Quinary 130031440330
6 Senary 11440101030
8 Octal 453021512
10 Decimal 78390090
12 Duodecimal 22304776
16 Hexadecimal 4ac234a
20 Vigesimal 149if4a
36 Base36 1ao66i

Cryptographic Hash Functions

md5 02ddfaaba9c12412bce7c3435eaff155
sha1 50e6a036afed3af967c4fe4d7ff1741bd1bc17e0
sha256 c8ccb4ea9381cf8099fb21383594b6850611b7d96eba1cc61df53b761d5be6ff
sha512 891e3b90a34148a607db61ea6e4dff6989ea89c9ea59b531439fb7f34687d466ef3510782525a25cf796e8b1a683d71eb1f76be7d11583fae599320c807a3730
ripemd-160 2e1d0e218845a782b923ab8e93c34ede6efe3924

78390090 as geometric shapes

Circle

Radius = n
Diameter 156780180
Circumference 492539461.71649
Area 1.9305106366253E+16

Sphere

Radius = n
Volume 2.0177720340136E+24
Surface area 7.7220425465014E+16
Circumference 492539461.71649

Square

Length = n
Perimeter 313560360
Area 6145006210208100
Diagonal 110860328.43365

Cube

Length = n
Surface area 36870037261248600
Volume 4.8170758986877E+23
Space diagonal 135775618.6899

Equilateral Triangle

Length = n
Perimeter 235170270
Area 2.6608657422267E+15
Altitude 67887809.344948

Triangular Pyramid

Length = n
Surface area 2.6608657422267E+15
Volume 5.6769783890873E+22
Height 36953442.811216