20402751 (number)

20402751 is an odd 8-digits composite number following 20402750 and preceding 20402752. In scientific notation, it is written as 2.0402751 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 12827520 positive integers (up to 20402751) that are relatively prime to 20402751.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand seven hundred fifty-one

Notation

Scientific notation 2.0402751 × 10^7
Engineering notation 2.0402751 × 10^6

Prime Factorization of 20402751

Prime Factorization 19 × 3 × 263 × 1361

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20402751
Product of the distinct prime numbers

The prime factorization of 20402751 is 19 × 3 × 263 × 1361. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 92, 31, 526, 599, 3982, 1859, 36283, 66536, 963752, 382106, 2742772, 245796, 69606196, 27008154, 803322637, 50518027, 3523573216, 3842420861

Basic calculations (n = 20402751)

Multiplication

n×y
n×2 40805502
n×3 61208253
n×4 81611004
n×5 102013755

Division

n÷y
n÷2 10201375.5
n÷3 6800917
n÷3 5100687.75
n÷5 4080550.2

Exponentiation

ny
n2 416272248368001
n3 8.4930990316625E+21
n4 1.7328258476135E+29
n5 3.5354414295222E+36

Nth Root

y√n
2√n 4516.9404468069
3√n 273.25172343817
4√n 67.20818734951
5√n 28.969282965205

Divisors of 20402751

1, 3, 19, 57, 263, 789, 1361, 4083, 4997, 14991, 25859, 77577, 357943, 1073829, 6800917, 20402751

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 -20402750
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 20402751 can be divided by 16 positive divisors. The sum of these divisors (counting 20402751) is 1, the average is 0.0625.

Base conversion 20402751

Base System Value
2 Binary 1001101110101001000111111
3 Ternary 1102101120022110
4 Quaternary 1031311020333
5 Quinary 20210342001
6 Senary 2005145103
8 Octal 115651077
10 Decimal 20402751
12 Duodecimal 69bb193
16 Hexadecimal 137523f
20 Vigesimal 67a6hb
36 Base36 c5av3

Cryptographic Hash Functions

md5 6e5ebb2a81ecb188b72db06f3e8570fa
sha1 53918096e196f8bc3bc7ad65fbe05426ec251c67
sha256 62262885ee8c94051586457f80a734c217b3eccd803afb30794e4ced25cad101
sha512 10055757d05738a309707d65f19acb73ca6954c89814d1feeee55380900ab0e290e07acb848a424e00596330410635712adc7e816c39bde07739e3538f3c5054
ripemd-160 7822da6b70a99330a71e4b2aab29bcc1d1440c62

20402751 as geometric shapes

Circle

Radius = n
Diameter 40805502
Circumference 128194265.30924
Area 1.3077578373662E+15

Sphere

Radius = n
Volume 3.5575810032109E+22
Surface area 5.2310313494649E+15
Circumference 128194265.30924

Square

Length = n
Perimeter 81611004
Area 416272248368001
Diagonal 28853847.173921

Cube

Length = n
Surface area 2497633490208006
Volume 8.4930990316625E+21
Space diagonal 35338601.346177

Equilateral Triangle

Length = n
Perimeter 61208253
Area 1.8025117098858E+14
Altitude 17669300.673088

Triangular Pyramid

Length = n
Surface area 1.8025117098858E+14
Volume 1.0009213197629E+21
Height 9617949.0579737