20921769 (number)

20921769 is an odd 8-digits composite number following 20921768 and preceding 20921770. In scientific notation, it is written as 2.0921769 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 12611520 positive integers (up to 20921769) that are relatively prime to 20921769.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand seven hundred sixty-nine

Notation

Scientific notation 2.0921769 × 10^7
Engineering notation 2.0921769 × 10^6

Prime Factorization of 20921769

Prime Factorization 3 × 33 × 907 × 233

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921769
Product of the distinct prime numbers

The prime factorization of 20921769 is 3 × 33 × 907 × 233. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 30, 50, 747, 385, 5296, 5751, 47396, 39733, 612779, 182599, 4577333, 6589518, 24346826, 736390, 351511098, 211992876, 6031560217, 2986099487

Basic calculations (n = 20921769)

Multiplication

n×y
n×2 41843538
n×3 62765307
n×4 83687076
n×5 104608845

Division

n÷y
n÷2 10460884.5
n÷3 6973923
n÷3 5230442.25
n÷5 4184353.8

Exponentiation

ny
n2 437720418089361
n3 9.157885473849E+21
n4 1.9159916441232E+29
n5 4.0085934584277E+36

Nth Root

y√n
2√n 4574.0320287466
3√n 275.54939864288
4√n 67.631590464417
5√n 29.115193483618

Divisors of 20921769

1, 3, 33, 99, 233, 699, 907, 2721, 7689, 23067, 29931, 89793, 211331, 633993, 6973923, 20921769

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 -20921768
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 20921769 can be divided by 16 positive divisors. The sum of these divisors (counting 20921769) is 1, the average is 0.0625.

Base conversion 20921769

Base System Value
2 Binary 1001111110011110110101001
3 Ternary 1110100221021100
4 Quaternary 1033303312221
5 Quinary 20323444034
6 Senary 2024232013
8 Octal 117636651
10 Decimal 20921769
12 Duodecimal 700b609
16 Hexadecimal 13f3da9
20 Vigesimal 6af489
36 Base36 cgfc9

Cryptographic Hash Functions

md5 88ef76be00edbe27795afbfe91f8ae4e
sha1 b663b4ce75f287df92acfc74315527bc8b4cf09e
sha256 b6fa8217ec2c1ff2d3bbbc206711d02fe425c44a634dcb61189b264b6bd5ccb9
sha512 be1102d2f9530bfae0b12d19dd8e57b4e393b918478cc6df16e61f534f4ed2d7105294c12943a42348f1c4924b69f63a0ca39897abbdf58e6f43cecc430ae3b3
ripemd-160 828ddeee92e3b11b71a54b3b56c9f30765e8e7a2

20921769 as geometric shapes

Circle

Radius = n
Diameter 41843538
Circumference 131455351.58101
Area 1.3751392497958E+15

Sphere

Radius = n
Volume 3.8360460969414E+22
Surface area 5.5005569991832E+15
Circumference 131455351.58101

Square

Length = n
Perimeter 83687076
Area 437720418089361
Diagonal 29587849.468637

Cube

Length = n
Surface area 2626322508536166
Volume 9.157885473849E+21
Space diagonal 36237566.892219

Equilateral Triangle

Length = n
Perimeter 62765307
Area 1.8953850091027E+14
Altitude 18118783.44611

Triangular Pyramid

Length = n
Surface area 1.8953850091027E+14
Volume 1.0792671533147E+21
Height 9862616.4895457