678445981 (number)

678445981 is an odd 9-digits composite number following 678445980 and preceding 678445982. In scientific notation, it is written as 6.78445981 × 10^8. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 655051264 positive integers (up to 678445981) that are relatively prime to 678445981.

Interesting facts

Basic properties

Name

Name six hundred seventy-eight million four hundred forty-five thousand nine hundred eighty-one

Notation

Scientific notation 6.78445981 × 10^8
Engineering notation 6.78445981 × 10^6

Prime Factorization of 678445981

Prime Factorization 29 × 23394689

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 678445981
Product of the distinct prime numbers

The prime factorization of 678445981 is 29 × 23394689. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 69, 68, 434, 279, 5909, 1642, 54818, 82865, 44422, 30728, 2858939, 1755171, 76852069, 25166359, 975743052, 925915366, 8685744115, 5478483882

Basic calculations (n = 678445981)

Multiplication

n×y
n×2 1356891962
n×3 2035337943
n×4 2713783924
n×5 3392229905

Division

n÷y
n÷2 339222990.5
n÷3 226148660.33333
n÷3 169611495.25
n÷5 135689196.2

Exponentiation

ny
n2 460288949135052361
n3 3.1228118763939E+26
n4 2.1186591669585E+35
n5 1.4373957969318E+44

Nth Root

y√n
2√n 26046.995623296
3√n 878.69554536444
4√n 161.39081641561
5√n 58.38523799063

Divisors of 678445981

1, 29, 23394689, 678445981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -678445980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 678445981 can be divided by 4 positive divisors. The sum of these divisors (counting 678445981) is 1, the average is 0.25.

Base conversion 678445981

Base System Value
2 Binary 101000011100000100001110011101
3 Ternary 1202021121121220221
4 Quaternary 220130010032131
5 Quinary 2342140232411
6 Senary 151153241341
8 Octal 5034041635
10 Decimal 678445981
12 Duodecimal 16b263251
16 Hexadecimal 2870439d
20 Vigesimal ac05ej1
36 Base36 b7xg9p

Cryptographic Hash Functions

md5 0c4c2b4672ba9ee44eae37027cadbdbc
sha1 e12d08edb6c359c8b25b954fdb5b0dff5d44d429
sha256 40fb0828a013399381c0659abf9c9fd6ae18121643a7737d68d9315594cc6840
sha512 507777cb1a39c8f1d6c50239db9b30dd3a8c2cf0607c5e7b0092c1192b1ea25a2fc465cc88717f6d08ed76f56236a5f37a4480cade5b995b7e390d25a61f01b4
ripemd-160 7355bcf7d850f8f403419c2e00ab9cb72506d90f

678445981 as geometric shapes

Circle

Radius = n
Diameter 1356891962
Circumference 4262801819.5342
Area 1.4460403811312E+18

Sphere

Radius = n
Volume 1.3080803799229E+27
Surface area 5.784161524525E+18
Circumference 4262801819.5342

Square

Length = n
Perimeter 2713783924
Area 460288949135052361
Diagonal 959467507.66772

Cube

Length = n
Surface area 2761733694810314166
Volume 3.1228118763939E+26
Space diagonal 1175102909.2829

Equilateral Triangle

Length = n
Perimeter 2035337943
Area 1.993109615161E+17
Altitude 587551454.64145

Triangular Pyramid

Length = n
Surface area 1.993109615161E+17
Volume 3.68026909028E+25
Height 319822502.55591