20402891 (number)

20402891 is an odd 8-digits composite number following 20402890 and preceding 20402892. In scientific notation, it is written as 2.0402891 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20280552 positive integers (up to 20402891) that are relatively prime to 20402891.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand eight hundred ninety-one

Notation

Scientific notation 2.0402891 × 10^7
Engineering notation 2.0402891 × 10^6

Prime Factorization of 20402891

Prime Factorization 167 × 122173

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20402891
Product of the distinct prime numbers

The prime factorization of 20402891 is 167 × 122173. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20402891)

Multiplication

n×y
n×2 40805782
n×3 61208673
n×4 81611564
n×5 102014455

Division

n÷y
n÷2 10201445.5
n÷3 6800963.6666667
n÷3 5100722.75
n÷5 4080578.2

Exponentiation

ny
n2 416277961157881
n3 8.4932738672065E+21
n4 1.7328734094576E+29
n5 3.5355627289962E+36

Nth Root

y√n
2√n 4516.9559439959
3√n 273.25234843809
4√n 67.208302641831
5√n 28.969322721495

Divisors of 20402891

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20402890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20402891 can be divided by 4 positive divisors. The sum of these divisors (counting 20402891) is 1, the average is 0.25.

Base conversion 20402891

Base System Value
2 Binary 1001101110101001011001011
3 Ternary 1102101120111122
4 Quaternary 1031311023023
5 Quinary 20210343031
6 Senary 2005145455
8 Octal 115651313
10 Decimal 20402891
12 Duodecimal 69bb28b
16 Hexadecimal 13752cb
20 Vigesimal 67a74b
36 Base36 c5ayz

Cryptographic Hash Functions

md5 28c89bc1c455d591605b7069f1c3eedc
sha1 3764d721aba7cc029c1ad0198b16d224dd25e91c
sha256 3ee1a4f97d998f20a230c7612ba01c2eacb14d3d2dbe77c0abe6fc19ab7e2300
sha512 9d7ae8f07d0dec965ef6176e3f13947e2566c30c4fce7a3c37edfd0a43cef86ac51be55567b3067acfb148b472fab66f9306c90b319c1e8c9d0e7e82f8e4f003
ripemd-160 5f534ebf80dff911ec77c0d3899452bc92fafc9b

20402891 as geometric shapes

Circle

Radius = n
Diameter 40805782
Circumference 128195144.95519
Area 1.3077757846249E+15

Sphere

Radius = n
Volume 3.5576542381523E+22
Surface area 5.2311031384997E+15
Circumference 128195144.95519

Square

Length = n
Perimeter 81611564
Area 416277961157881
Diagonal 28854045.16382

Cube

Length = n
Surface area 2497667766947286
Volume 8.4932738672065E+21
Space diagonal 35338843.83329

Equilateral Triangle

Length = n
Perimeter 61208673
Area 1.8025364469916E+14
Altitude 17669421.916645

Triangular Pyramid

Length = n
Surface area 1.8025364469916E+14
Volume 1.0009419243294E+21
Height 9618015.0546067