20946989 (number)

20946989 is an odd 8-digits composite number following 20946988 and preceding 20946990. In scientific notation, it is written as 2.0946989 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 17932320 positive integers (up to 20946989) that are relatively prime to 20946989.

Interesting facts

Basic properties

Name

Name twenty million nine hundred forty-six thousand nine hundred eighty-nine

Notation

Scientific notation 2.0946989 × 10^7
Engineering notation 2.0946989 × 10^6

Prime Factorization of 20946989

Prime Factorization 7 × 1187 × 2521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20946989
Product of the distinct prime numbers

The prime factorization of 20946989 is 7 × 1187 × 2521. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20946989)

Multiplication

n×y
n×2 41893978
n×3 62840967
n×4 83787956
n×5 104734945

Division

n÷y
n÷2 10473494.5
n÷3 6982329.6666667
n÷3 5236747.25
n÷5 4189397.8

Exponentiation

ny
n2 438776348166121
n3 9.1910433384959E+21
n4 1.9252468371E+29
n5 4.0328124319018E+36

Nth Root

y√n
2√n 4576.788065882
3√n 275.66007388185
4√n 67.651962764446
5√n 29.122209442737

Divisors of 20946989

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20946988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20946989 can be divided by 8 positive divisors. The sum of these divisors (counting 20946989) is 1, the average is 0.125.

Base conversion 20946989

Base System Value
2 Binary 1001111111010000000101101
3 Ternary 1110102012212102
4 Quaternary 1033322000231
5 Quinary 20330300424
6 Senary 2024544445
8 Octal 117720055
10 Decimal 20946989
12 Duodecimal 7022125
16 Hexadecimal 13fa02d
20 Vigesimal 6ai799
36 Base36 cgyst

Cryptographic Hash Functions

md5 37d44109738ca38d144488de213b824a
sha1 38c56889c826977e4a1132194893ecfccb37f702
sha256 8b1ef11140a4b0729a884e67ac71c0d81a77186f169dbe9fa46f189536419327
sha512 781feff827c7280c643f424f9ba2f2eab557afe09df802c881c0c84b4ea8c94384fa622a44fe3e524ced7a39847c5af4c9d158ef9b2bc4cd48023e45c935f5c5
ripemd-160 5bdca22b27131704155cd1e46e15f5ccd6be2b56

20946989 as geometric shapes

Circle

Radius = n
Diameter 41893978
Circumference 131613813.51445
Area 1.3784565519676E+15

Sphere

Radius = n
Volume 3.8499352308059E+22
Surface area 5.5138262078706E+15
Circumference 131613813.51445

Square

Length = n
Perimeter 83787956
Area 438776348166121
Diagonal 29623515.93468

Cube

Length = n
Surface area 2632658088996726
Volume 9.1910433384959E+21
Space diagonal 36281249.213586

Equilateral Triangle

Length = n
Perimeter 62840967
Area 1.8999573204581E+14
Altitude 18140624.606793

Triangular Pyramid

Length = n
Surface area 1.8999573204581E+14
Volume 1.0831748451383E+21
Height 9874505.31156