20921485 (number)

20921485 is an odd 8-digits composite number following 20921484 and preceding 20921486. In scientific notation, it is written as 2.0921485 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 15155712 positive integers (up to 20921485) that are relatively prime to 20921485.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand four hundred eighty-five

Notation

Scientific notation 2.0921485 × 10^7
Engineering notation 2.0921485 × 10^6

Prime Factorization of 20921485

Prime Factorization 5 × 13 × 53 × 6073

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921485
Product of the distinct prime numbers

The prime factorization of 20921485 is 5 × 13 × 53 × 6073. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 89, 9, 295, 899, 294, 7167, 68216, 51136, 627174, 647293, 2388633, 2211399, 36139208, 25767279, 105213732, 942320114, 3061519216, 3084062900

Basic calculations (n = 20921485)

Multiplication

n×y
n×2 41842970
n×3 62764455
n×4 83685940
n×5 104607425

Division

n÷y
n÷2 10460742.5
n÷3 6973828.3333333
n÷3 5230371.25
n÷5 4184297

Exponentiation

ny
n2 437708534605225
n3 9.1575125411152E+21
n4 1.9158876126625E+29
n5 4.0083213950005E+36

Nth Root

y√n
2√n 4574.0009838215
3√n 275.54815183334
4√n 67.631360949056
5√n 29.115114439061

Divisors of 20921485

1, 5, 13, 53, 65, 265, 689, 3445, 6073, 30365, 78949, 321869, 394745, 1609345, 4184297, 20921485

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 -20921484
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 20921485 can be divided by 16 positive divisors. The sum of these divisors (counting 20921485) is 1, the average is 0.0625.

Base conversion 20921485

Base System Value
2 Binary 1001111110011110010001101
3 Ternary 1110100220212211
4 Quaternary 1033303302031
5 Quinary 20323441420
6 Senary 2024230421
8 Octal 117636215
10 Decimal 20921485
12 Duodecimal 700b411
16 Hexadecimal 13f3c8d
20 Vigesimal 6af3e5
36 Base36 cgf4d

Cryptographic Hash Functions

md5 2e66c33e03c16ac06a46242e8be36f3c
sha1 51352d4dbe4bc16cee5332353dac46bde608b1ab
sha256 b2f661101c804c2406175e5da99867a3cca00176636f2776dd486d73d3f9c6bb
sha512 a3f22ffc59d4a40fd9536aa07908df7796615a8699d344ebb35752bdc7f7d7bc9a1801225dbc1201c4e6fb1e5c8627c26e295eb45a069df694672a0631926dea
ripemd-160 c2460775fc57004c68a171d033b6fc721bfbc97f

20921485 as geometric shapes

Circle

Radius = n
Diameter 41842970
Circumference 131453567.15638
Area 1.3751019167293E+15

Sphere

Radius = n
Volume 3.8358898832432E+22
Surface area 5.5004076669173E+15
Circumference 131453567.15638

Square

Length = n
Perimeter 83685940
Area 437708534605225
Diagonal 29587447.831985

Cube

Length = n
Surface area 2626251207631350
Volume 9.1575125411152E+21
Space diagonal 36237074.98979

Equilateral Triangle

Length = n
Perimeter 62764455
Area 1.8953335521069E+14
Altitude 18118537.494895

Triangular Pyramid

Length = n
Surface area 1.8953335521069E+14
Volume 1.0792232027706E+21
Height 9862482.6106618