20921517 (number)

20921517 is an odd 8-digits composite number following 20921516 and preceding 20921518. In scientific notation, it is written as 2.0921517 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13899600 positive integers (up to 20921517) that are relatively prime to 20921517.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand five hundred seventeen

Notation

Scientific notation 2.0921517 × 10^7
Engineering notation 2.0921517 × 10^6

Prime Factorization of 20921517

Prime Factorization 3 × 9 × 2341 × 331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921517
Product of the distinct prime numbers

The prime factorization of 20921517 is 3 × 9 × 2341 × 331. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 93, 59, 742, 869, 7677, 4352, 51774, 27165, 133448, 751941, 1956461, 7720018, 69694704, 27298443, 356617605, 151728077, 7029604596, 2490640721

Basic calculations (n = 20921517)

Multiplication

n×y
n×2 41843034
n×3 62764551
n×4 83686068
n×5 104607585

Division

n÷y
n÷2 10460758.5
n÷3 6973839
n÷3 5230379.25
n÷5 4184303.4

Exponentiation

ny
n2 437709873581289
n3 9.1575545611988E+21
n4 1.9158993343055E+29
n5 4.0083520492961E+36

Nth Root

y√n
2√n 4574.0044818518
3√n 275.54829231949
4√n 67.631386810059
5√n 29.115123345533

Divisors of 20921517

1, 3, 9, 27, 331, 993, 2341, 2979, 7023, 8937, 21069, 63207, 774871, 2324613, 6973839, 20921517

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 -20921516
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 20921517 can be divided by 16 positive divisors. The sum of these divisors (counting 20921517) is 1, the average is 0.0625.

Base conversion 20921517

Base System Value
2 Binary 1001111110011110010101101
3 Ternary 1110100220221000
4 Quaternary 1033303302231
5 Quinary 20323442032
6 Senary 2024230513
8 Octal 117636255
10 Decimal 20921517
12 Duodecimal 700b439
16 Hexadecimal 13f3cad
20 Vigesimal 6af3fh
36 Base36 cgf59

Cryptographic Hash Functions

md5 4f3afba48cdf079780045ca71a251e47
sha1 e322ada6b864e3f76611a14f10cac41c1b97a639
sha256 20242e27438ad99b02e56c5175b7d02cf9afe2fa8ed0f5ad92bd74f5e4833928
sha512 b2da3752e1dd1a19960372745401eb7302ca8283d78c5773a1d4b045042e2d9f0475fdea2a501c2791715361609a5be977c1cf7f53637681c71a6ad83c1eb093
ripemd-160 367b8dd9a251f009aa429b1a3793b8eaf2e25d54

20921517 as geometric shapes

Circle

Radius = n
Diameter 41843034
Circumference 131453768.21831
Area 1.3751061232467E+15

Sphere

Radius = n
Volume 3.8359074845746E+22
Surface area 5.5004244929868E+15
Circumference 131453768.21831

Square

Length = n
Perimeter 83686068
Area 437709873581289
Diagonal 29587493.086819

Cube

Length = n
Surface area 2626259241487734
Volume 9.1575545611988E+21
Space diagonal 36237130.415416

Equilateral Triangle

Length = n
Perimeter 62764551
Area 1.8953393500434E+14
Altitude 18118565.207708

Triangular Pyramid

Length = n
Surface area 1.8953393500434E+14
Volume 1.0792281548849E+21
Height 9862497.6956064