20921289 (number)

20921289 is an odd 8-digits composite number following 20921288 and preceding 20921290. In scientific notation, it is written as 2.0921289 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13756320 positive integers (up to 20921289) that are relatively prime to 20921289.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand two hundred eighty-nine

Notation

Scientific notation 2.0921289 × 10^7
Engineering notation 2.0921289 × 10^6

Prime Factorization of 20921289

Prime Factorization 73 × 3 × 95531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921289
Product of the distinct prime numbers

The prime factorization of 20921289 is 73 × 3 × 95531. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921289)

Multiplication

n×y
n×2 41842578
n×3 62763867
n×4 83685156
n×5 104606445

Division

n÷y
n÷2 10460644.5
n÷3 6973763
n÷3 5230322.25
n÷5 4184257.8

Exponentiation

ny
n2 437700333421521
n3 9.157255170908E+21
n4 1.9158158187731E+29
n5 4.0081336415324E+36

Nth Root

y√n
2√n 4573.9795583277
3√n 275.54729135258
4√n 67.631202549768
5√n 29.115059886683

Divisors of 20921289

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 -20921288
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 20921289 can be divided by 8 positive divisors. The sum of these divisors (counting 20921289) is 1, the average is 0.125.

Base conversion 20921289

Base System Value
2 Binary 1001111110011101111001001
3 Ternary 1110100220121120
4 Quaternary 1033303233021
5 Quinary 20323440124
6 Senary 2024225453
8 Octal 117635711
10 Decimal 20921289
12 Duodecimal 700b289
16 Hexadecimal 13f3bc9
20 Vigesimal 6af349
36 Base36 cgeyx

Cryptographic Hash Functions

md5 5e032d804212c2169dbbc5b53b271700
sha1 73a1b6eedb3c2b3ea5513887130ba6df74be8d08
sha256 b0b2e4897da6146f1144c7b44890cb29f25bf5ac31e9fa8ea29aaa535f0c5b41
sha512 348c2d9acbd231e65b7b5c235566e327e16c5ed39e20e76ada30fa8720c41538f981749add1b92f82953dd171d2417a96af46692ae977705db92a2b66a572d58
ripemd-160 c90cce05f90464ecf2369c5a171e2a198438de09

20921289 as geometric shapes

Circle

Radius = n
Diameter 41842578
Circumference 131452335.65206
Area 1.3750761519509E+15

Sphere

Radius = n
Volume 3.8357820762629E+22
Surface area 5.5003046078034E+15
Circumference 131452335.65206

Square

Length = n
Perimeter 83685156
Area 437700333421521
Diagonal 29587170.646127

Cube

Length = n
Surface area 2626202000529126
Volume 9.157255170908E+21
Space diagonal 36236735.507832

Equilateral Triangle

Length = n
Perimeter 62763867
Area 1.8952980399398E+14
Altitude 18118367.753916

Triangular Pyramid

Length = n
Surface area 1.8952980399398E+14
Volume 1.0791928714008E+21
Height 9862390.2153757