20921091 (number)

20921091 is an odd 8-digits composite number following 20921090 and preceding 20921092. In scientific notation, it is written as 2.0921091 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 13505184 positive integers (up to 20921091) that are relatively prime to 20921091.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand ninety-one

Notation

Scientific notation 2.0921091 × 10^7
Engineering notation 2.0921091 × 10^6

Prime Factorization of 20921091

Prime Factorization 3 × 43 × 127 × 1277

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921091
Product of the distinct prime numbers

The prime factorization of 20921091 is 3 × 43 × 127 × 1277. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 1, 56, 20, 24, 241, 7042, 5249, 98037, 1002, 7681, 933858, 436283, 6284579, 25014473, 78252439, 785084868, 680207647, 923537082, 8682940592

Basic calculations (n = 20921091)

Multiplication

n×y
n×2 41842182
n×3 62763273
n×4 83684364
n×5 104605455

Division

n÷y
n÷2 10460545.5
n÷3 6973697
n÷3 5230272.75
n÷5 4184218.2

Exponentiation

ny
n2 437692048630281
n3 9.1569951793705E+21
n4 1.9157432943417E+29
n5 4.0079439793563E+36

Nth Root

y√n
2√n 4573.9579141046
3√n 275.54642208594
4√n 67.631042533031
5√n 29.115004777233

Divisors of 20921091

1, 3, 43, 127, 129, 381, 1277, 3831, 5461, 16383, 54911, 162179, 164733, 486537, 6973697, 20921091

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 -20921090
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 20921091 can be divided by 16 positive divisors. The sum of these divisors (counting 20921091) is 1, the average is 0.0625.

Base conversion 20921091

Base System Value
2 Binary 1001111110011101100000011
3 Ternary 1110100220100020
4 Quaternary 1033303230003
5 Quinary 20323433331
6 Senary 2024224523
8 Octal 117635403
10 Decimal 20921091
12 Duodecimal 700b143
16 Hexadecimal 13f3b03
20 Vigesimal 6af2eb
36 Base36 cgetf

Cryptographic Hash Functions

md5 d136b0a93d00d36acf4a78266c389b75
sha1 04531516c1e89d181985cefcdae029c7f913b759
sha256 f6ba830ff171052a345134bc5134772f5a102e1d74a3dd040707bafc324fbb38
sha512 0b3093d266d6f1a9e8216384dab7d70ca59e9c097cf973e623b0ff605c39d05043a320b2f55bc2bb5db99100383744b257399300976372a4b6fd8a6e05eb3e56
ripemd-160 4f0c47cbf3021d8bdd439c879295c9df29bbd31b

20921091 as geometric shapes

Circle

Radius = n
Diameter 41842182
Circumference 131451091.58137
Area 1.3750501245116E+15

Sphere

Radius = n
Volume 3.8356731712623E+22
Surface area 5.5002004980462E+15
Circumference 131451091.58137

Square

Length = n
Perimeter 83684364
Area 437692048630281
Diagonal 29586890.631842

Cube

Length = n
Surface area 2626152291781686
Volume 9.1569951793705E+21
Space diagonal 36236392.561772

Equilateral Triangle

Length = n
Perimeter 62763273
Area 1.8952621657414E+14
Altitude 18118196.280886

Triangular Pyramid

Length = n
Surface area 1.8952621657414E+14
Volume 1.0791622311042E+21
Height 9862296.8772806