78387621 (number)

78387621 is an odd 8-digits composite number following 78387620 and preceding 78387622. In scientific notation, it is written as 7.8387621 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 47557440 positive integers (up to 78387621) that are relatively prime to 78387621.

Interesting facts

Basic properties

Name

Name seventy-eight million three hundred eighty-seven thousand six hundred twenty-one

Notation

Scientific notation 7.8387621 × 10^7
Engineering notation 7.8387621 × 10^6

Prime Factorization of 78387621

Prime Factorization 3 × 13 × 71 × 28309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78387621
Product of the distinct prime numbers

The prime factorization of 78387621 is 3 × 13 × 71 × 28309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 18, 88, 600, 385, 9121, 1584, 31167, 50824, 525516, 354693, 7850470, 6142325, 64022025, 29993796, 636668196, 475414367, 6532638851, 9667089952

Basic calculations (n = 78387621)

Multiplication

n×y
n×2 156775242
n×3 235162863
n×4 313550484
n×5 391938105

Division

n÷y
n÷2 39193810.5
n÷3 26129207
n÷3 19596905.25
n÷5 15677524.2

Exponentiation

ny
n2 6144619126039641
n3 4.8166207524135E+23
n4 3.7756344204092E+31
n5 2.9596299998159E+39

Nth Root

y√n
2√n 8853.6783881051
3√n 427.97246489234
4√n 94.093986992289
5√n 37.918355752489

Divisors of 78387621

1, 3, 13, 39, 71, 213, 923, 2769, 28309, 84927, 368017, 1104051, 2009939, 6029817, 26129207, 78387621

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 -78387620
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 78387621 can be divided by 16 positive divisors. The sum of these divisors (counting 78387621) is 1, the average is 0.0625.

Base conversion 78387621

Base System Value
2 Binary 100101011000001100110100101
3 Ternary 12110111111121020
4 Quaternary 10223001212211
5 Quinary 130031400441
6 Senary 11440041353
8 Octal 453014645
10 Decimal 78387621
12 Duodecimal 22303259
16 Hexadecimal 4ac19a5
20 Vigesimal 149i911
36 Base36 1ao49x

Cryptographic Hash Functions

md5 b58c660929db4f997b84715f501b1c37
sha1 52e1971edf1eaf5ddcdfeb30aa71cb07345b2f2c
sha256 f7d8bbdd79274c6aedf9cd85b8443bdfffd5023e2dfc0f47c489aa9d65a47164
sha512 3c6cd16b4de24415e29bf3c504a343580335ebb038fbf63878b5e13f132db1548396826ee928eccb084fcac53f747e3e421d2a698c895795cedc90013b75aaa3
ripemd-160 038b1727ce5fef18ca7bb7942833fa418cb2c798

78387621 as geometric shapes

Circle

Radius = n
Diameter 156775242
Circumference 492523948.53196
Area 1.9303890305473E+16

Sphere

Radius = n
Volume 2.017581382788E+24
Surface area 7.7215561221894E+16
Circumference 492523948.53196

Square

Length = n
Perimeter 313550484
Area 6144619126039641
Diagonal 110856836.74036

Cube

Length = n
Surface area 36867714756237846
Volume 4.8166207524135E+23
Space diagonal 135771342.25645

Equilateral Triangle

Length = n
Perimeter 235162863
Area 2.660698129865E+15
Altitude 67885671.128227

Triangular Pyramid

Length = n
Surface area 2.660698129865E+15
Volume 5.676441994059E+22
Height 36952278.913454