20402872 (number)

20402872 is an even 8-digits composite number following 20402871 and preceding 20402873. In scientific notation, it is written as 2.0402872 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors. There are 8744064 positive integers (up to 20402872) that are relatively prime to 20402872.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand eight hundred seventy-two

Notation

Scientific notation 2.0402872 × 10^7
Engineering notation 2.0402872 × 10^6

Prime Factorization of 20402872

Prime Factorization 2 × 2 × 2 × 7 × 364337

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5100718
Product of the distinct prime numbers

The prime factorization of 20402872 is 2 × 2 × 2 × 7 × 364337. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 98, 86, 371, 392, 4484, 9058, 89449, 10836, 525241, 742559, 3393512, 8352170, 10189869, 59856059, 520823444, 989436923, 2475138304, 971988020

Basic calculations (n = 20402872)

Multiplication

n×y
n×2 40805744
n×3 61208616
n×4 81611488
n×5 102014360

Division

n÷y
n÷2 10201436
n÷3 6800957.3333333
n÷3 5100718
n÷5 4080574.4

Exponentiation

ny
n2 416277185848384
n3 8.4932501393848E+21
n4 1.7328669545785E+29
n5 3.5355462667295E+36

Nth Root

y√n
2√n 4516.9538408091
3√n 273.25226361684
4√n 67.208286995051
5√n 28.969317326011

Divisors of 20402872

1, 2, 4, 7, 8, 14, 28, 56, 364337, 728674, 1457348, 2550359, 2914696, 5100718, 10201436, 20402872

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 -20402871
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 20402872 can be divided by 16 positive divisors. The sum of these divisors (counting 20402872) is 1, the average is 0.0625.

Base conversion 20402872

Base System Value
2 Binary 1001101110101001010111000
3 Ternary 1102101120110221
4 Quaternary 1031311022320
5 Quinary 20210342442
6 Senary 2005145424
8 Octal 115651270
10 Decimal 20402872
12 Duodecimal 69bb274
16 Hexadecimal 13752b8
20 Vigesimal 67a73c
36 Base36 c5ayg

Cryptographic Hash Functions

md5 bb2e5d016419473b86a49dd4f6c3fd7f
sha1 abe61762bf39db2e91ceed5bfa07339c2e751f31
sha256 36fd797ac20ea8ee3ff56216c9a6df3afd614dc7dbfe760746ee9f64749bc09e
sha512 f472cf8fecd77e0bf81374a9aca91bfcf5b57cd5f02641f63f9482dbce147ebc35613a69d05123da6b752b4ae451c6ec4baf632849c82f8d97a5c0b3e44e9fad
ripemd-160 6dd664eed9485215e97cdc0cbc46cccd2eb02c2a

20402872 as geometric shapes

Circle

Radius = n
Diameter 40805744
Circumference 128195025.57467
Area 1.3077733489183E+15

Sphere

Radius = n
Volume 3.5576442990656E+22
Surface area 5.2310933956733E+15
Circumference 128195025.57467

Square

Length = n
Perimeter 81611488
Area 416277185848384
Diagonal 28854018.293762

Cube

Length = n
Surface area 2497663115090304
Volume 8.4932501393848E+21
Space diagonal 35338810.924324

Equilateral Triangle

Length = n
Perimeter 61208616
Area 1.802533089803E+14
Altitude 17669405.462162

Triangular Pyramid

Length = n
Surface area 1.802533089803E+14
Volume 1.0009391279788E+21
Height 9618006.0979208