20008978 (number)

20008978 is an even 8-digits composite number following 20008977 and preceding 20008979. In scientific notation, it is written as 2.0008978 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 9042400 positive integers (up to 20008978) that are relatively prime to 20008978.

Interesting facts

Basic properties

Name

Name twenty million eight thousand nine hundred seventy-eight

Notation

Scientific notation 2.0008978 × 10^7
Engineering notation 2.0008978 × 10^6

Prime Factorization of 20008978

Prime Factorization 2 × 11 × 5081 × 179

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20008978
Product of the distinct prime numbers

The prime factorization of 20008978 is 2 × 11 × 5081 × 179. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 86, 90, 887, 651, 7970, 3104, 55762, 98645, 452177, 693324, 2048067, 236378, 78458096, 70008848, 912841851, 794206034, 9238514176, 9219232803

Basic calculations (n = 20008978)

Multiplication

n×y
n×2 40017956
n×3 60026934
n×4 80035912
n×5 100044890

Division

n÷y
n÷2 10004489
n÷3 6669659.3333333
n÷3 5002244.5
n÷5 4001795.6

Exponentiation

ny
n2 400359200604484
n3 8.0107784369927E+21
n4 1.6028748950866E+29
n5 3.207188851254E+36

Nth Root

y√n
2√n 4473.1396132918
3√n 271.48237231899
4√n 66.881534172683
5√n 28.856588165068

Divisors of 20008978

1, 2, 11, 22, 179, 358, 1969, 3938, 5081, 10162, 55891, 111782, 909499, 1818998, 10004489, 20008978

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 -20008977
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 20008978 can be divided by 16 positive divisors. The sum of these divisors (counting 20008978) is 1, the average is 0.0625.

Base conversion 20008978

Base System Value
2 Binary 1001100010101000000010010
3 Ternary 1101122120011021
4 Quaternary 1030111000102
5 Quinary 20110241403
6 Senary 1552510054
8 Octal 114250022
10 Decimal 20008978
12 Duodecimal 684b32a
16 Hexadecimal 1315012
20 Vigesimal 65128i
36 Base36 bwv0y

Cryptographic Hash Functions

md5 d342406964e6957e21c54da6c4977b74
sha1 357dad6320ab8bc4df782b2da0e7e3c1bacc4fda
sha256 1c11af583fe11703f4372e23e9fac733b5ba70d59bfad12142c241360980a234
sha512 f00f2a6e754a359bc8383b7da8858368ce8a29ef16d68b973fc35604ee8412cd923ec0686c9b79bd35278aaab7f94e33deb889999545e81acdf0b8d3d43977fd
ripemd-160 d6fd6ae01f13523ca7af4c5c848523f1344e09ca

20008978 as geometric shapes

Circle

Radius = n
Diameter 40017956
Circumference 125720116.58128
Area 1.2577655234161E+15

Sphere

Radius = n
Volume 3.3555470249589E+22
Surface area 5.0310620936645E+15
Circumference 125720116.58128

Square

Length = n
Perimeter 80035912
Area 400359200604484
Diagonal 28296968.056825

Cube

Length = n
Surface area 2402155203626904
Volume 8.0107784369927E+21
Space diagonal 34656566.503528

Equilateral Triangle

Length = n
Perimeter 60026934
Area 1.7336061918116E+14
Altitude 17328283.251764

Triangular Pyramid

Length = n
Surface area 1.7336061918116E+14
Volume 9.4407929256342E+20
Height 9432322.6856083