20956985 (number)

20956985 is an odd 8-digits composite number following 20956984 and preceding 20956986. In scientific notation, it is written as 2.0956985 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 13981248 positive integers (up to 20956985) that are relatively prime to 20956985.

Interesting facts

Basic properties

Name

Name twenty million nine hundred fifty-six thousand nine hundred eighty-five

Notation

Scientific notation 2.0956985 × 10^7
Engineering notation 2.0956985 × 10^6

Prime Factorization of 20956985

Prime Factorization 7 × 5 × 37 × 16183

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20956985
Product of the distinct prime numbers

The prime factorization of 20956985 is 7 × 5 × 37 × 16183. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 45, 71, 230, 658, 7514, 1433, 47023, 21039, 691042, 961567, 7826122, 3721118, 16428831, 15607675, 631868714, 407182686, 5356171293, 7242245029

Basic calculations (n = 20956985)

Multiplication

n×y
n×2 41913970
n×3 62870955
n×4 83827940
n×5 104784925

Division

n÷y
n÷2 10478492.5
n÷3 6985661.6666667
n÷3 5239246.25
n÷5 4191397

Exponentiation

ny
n2 439195220290225
n3 9.2042076436939E+21
n4 1.9289244152578E+29
n5 4.0424440036691E+36

Nth Root

y√n
2√n 4577.8799678454
3√n 275.70391566269
4√n 67.660032277892
5√n 29.124988362941

Divisors of 20956985

1, 5, 7, 35, 37, 185, 259, 1295, 16183, 80915, 113281, 566405, 598771, 2993855, 4191397, 20956985

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 -20956984
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 20956985 can be divided by 16 positive divisors. The sum of these divisors (counting 20956985) is 1, the average is 0.0625.

Base conversion 20956985

Base System Value
2 Binary 1001111111100011100111001
3 Ternary 1110102201120122
4 Quaternary 1033330130321
5 Quinary 20331110420
6 Senary 2025103025
8 Octal 117743471
10 Decimal 20956985
12 Duodecimal 7027a75
16 Hexadecimal 13fc739
20 Vigesimal 6ajc95
36 Base36 ch6ih

Cryptographic Hash Functions

md5 47eb790602e83a2ed2cc36588a8f168d
sha1 1f128c35574f48e3574430677884b1bfccdb2666
sha256 fbd675d30cf4b6e89a4c7d14be40e0daf6fca87cf5f0f3f8907287d736dc1165
sha512 d4a49077d15c4bf7fd9fdbb3d32977dd0997ff8de64997f9e17eacac871542bd468d3e5b9e6a8e26c6db070d712303c8bdeb23d42c3b04accc104370bdccd8e4
ripemd-160 85949c0724e942090779840c83c6794d57cd204a

20956985 as geometric shapes

Circle

Radius = n
Diameter 41913970
Circumference 131676620.23478
Area 1.3797724775555E+15

Sphere

Radius = n
Volume 3.8554494820725E+22
Surface area 5.5190899102221E+15
Circumference 131676620.23478

Square

Length = n
Perimeter 83827940
Area 439195220290225
Diagonal 29637652.41345

Cube

Length = n
Surface area 2635171321741350
Volume 9.2042076436939E+21
Space diagonal 36298562.793459

Equilateral Triangle

Length = n
Perimeter 62870955
Area 1.9017710899602E+14
Altitude 18149281.396729

Triangular Pyramid

Length = n
Surface area 1.9017710899602E+14
Volume 1.0847262733842E+21
Height 9879217.4711498