20006978 (number)

20006978 is an even 8-digits composite number following 20006977 and preceding 20006979. In scientific notation, it is written as 2.0006978 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10003488 positive integers (up to 20006978) that are relatively prime to 20006978.

Interesting facts

Basic properties

Name

Name twenty million six thousand nine hundred seventy-eight

Notation

Scientific notation 2.0006978 × 10^7
Engineering notation 2.0006978 × 10^6

Prime Factorization of 20006978

Prime Factorization 2 × 10003489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20006978
Product of the distinct prime numbers

The prime factorization of 20006978 is 2 × 10003489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 86, 39, 535, 636, 1977, 1155, 2366, 73564, 49715, 662441, 1534489, 5149617, 90366778, 60748187, 510722621, 519812483, 1397557414, 374918384

Basic calculations (n = 20006978)

Multiplication

n×y
n×2 40013956
n×3 60020934
n×4 80027912
n×5 100034890

Division

n÷y
n÷2 10003489
n÷3 6668992.6666667
n÷3 5001744.5
n÷5 4001395.6

Exponentiation

ny
n2 400279168692484
n3 8.0083765218888E+21
n4 1.6022341288915E+29
n5 3.2055862967581E+36

Nth Root

y√n
2√n 4472.916051079
3√n 271.47332666565
4√n 66.879862821921
5√n 28.856011269197

Divisors of 20006978

1, 2, 10003489, 20006978

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 -20006977
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 20006978 can be divided by 4 positive divisors. The sum of these divisors (counting 20006978) is 1, the average is 0.25.

Base conversion 20006978

Base System Value
2 Binary 1001100010100100001000010
3 Ternary 1101122110102012
4 Quaternary 1030110201002
5 Quinary 20110210403
6 Senary 1552452522
8 Octal 114244102
10 Decimal 20006978
12 Duodecimal 684a142
16 Hexadecimal 1314842
20 Vigesimal 650h8i
36 Base36 bwthe

Cryptographic Hash Functions

md5 8705500ef6f2e45ccdfb2b5f721670d5
sha1 1554c77e52206e28775b3d101f18f594ee818447
sha256 96b904225a31c17529d3be177789d2da3e26ffc17f8750b2c508d02e140f42f1
sha512 2193e1465260e08d2e231e2cf87137034b2af94a1cd83af7fcd4a0d59ba2a30f90ef97859782bb22b8b6506b2b3b6a146df238adc7bea20fefc6e44f306c8896
ripemd-160 b1724448bcc9a450b2108fc5a5ba8771e3c656ae

20006978 as geometric shapes

Circle

Radius = n
Diameter 40013956
Circumference 125707550.21067
Area 1.2575140957493E+15

Sphere

Radius = n
Volume 3.3545409131129E+22
Surface area 5.0300563829973E+15
Circumference 125707550.21067

Square

Length = n
Perimeter 80027912
Area 400279168692484
Diagonal 28294139.6297

Cube

Length = n
Surface area 2401675012154904
Volume 8.0083765218888E+21
Space diagonal 34653102.401913

Equilateral Triangle

Length = n
Perimeter 60020934
Area 1.733259643467E+14
Altitude 17326551.200956

Triangular Pyramid

Length = n
Surface area 1.733259643467E+14
Volume 9.4379622415379E+20
Height 9431379.8765667