678984987 (number)

678984987 is an odd 9-digits composite number following 678984986 and preceding 678984988. In scientific notation, it is written as 6.78984987 × 10^8. The sum of its digits is 66. It has a total of 2 prime factors and 4 positive divisors. There are 452656656 positive integers (up to 678984987) that are relatively prime to 678984987.

Interesting facts

Basic properties

Name

Name six hundred seventy-eight million nine hundred eighty-four thousand nine hundred eighty-seven

Notation

Scientific notation 6.78984987 × 10^8
Engineering notation 6.78984987 × 10^6

Prime Factorization of 678984987

Prime Factorization 3 × 226328329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 678984987
Product of the distinct prime numbers

The prime factorization of 678984987 is 3 × 226328329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 55, 74, 532, 441, 9375, 9429, 15182, 34077, 473367, 448717, 5212539, 2297993, 24138064, 9908305, 869502454, 902672056, 1933219988, 7742020425

Basic calculations (n = 678984987)

Multiplication

n×y
n×2 1357969974
n×3 2036954961
n×4 2715939948
n×5 3394924935

Division

n÷y
n÷2 339492493.5
n÷3 226328329
n÷3 169746246.75
n÷5 135796997.4

Exponentiation

ny
n2 461020612571390169
n3 3.1302607463352E+26
n4 2.125400052157E+35
n5 1.4431147267836E+44

Nth Root

y√n
2√n 26057.340366968
3√n 878.92818329154
4√n 161.42286197118
5√n 58.39451212547

Divisors of 678984987

1, 3, 226328329, 678984987

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 -678984986
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 678984987 can be divided by 4 positive divisors. The sum of these divisors (counting 678984987) is 1, the average is 0.25.

Base conversion 678984987

Base System Value
2 Binary 101000011110000111110100011011
3 Ternary 1202022122000022010
4 Quaternary 220132013310123
5 Quinary 2342310004422
6 Senary 151213001003
8 Octal 5036076433
10 Decimal 678984987
12 Duodecimal 16b483163
16 Hexadecimal 28787d1b
20 Vigesimal ac3d297
36 Base36 b89063

Cryptographic Hash Functions

md5 cbba03c56a1fbc59461a76815c9c42a2
sha1 822bfbad9a4cb9e9e4f20e48468aa31e00f61df7
sha256 27a1305806068f6264e700d02961ffdb795944edb6b3989718fd08ee2c5d5061
sha512 b462192b8d1345129758e227da062f681578e259a7d49f7c70a82458d64bc965af3c9e5cbc7feb86c1139ecb2814d8046ae42ca9941a894646994f34c30ec245
ripemd-160 2ffe03f9aa0c749c60f1ca64355d83da26a1be48

678984987 as geometric shapes

Circle

Radius = n
Diameter 1357969974
Circumference 4266188494.1139
Area 1.4483389696077E+18

Sphere

Radius = n
Volume 1.3112005552676E+27
Surface area 5.793355878431E+18
Circumference 4266188494.1139

Square

Length = n
Perimeter 2715939948
Area 461020612571390169
Diagonal 960229777.26312

Cube

Length = n
Surface area 2766123675428341014
Volume 3.1302607463352E+26
Space diagonal 1176036495.0605

Equilateral Triangle

Length = n
Perimeter 2036954961
Area 1.9962778107754E+17
Altitude 588018247.53025

Triangular Pyramid

Length = n
Surface area 1.9962778107754E+17
Volume 3.6890476676928E+25
Height 320076592.42104