20398907 (number)

20398907 is an odd 8-digits composite number following 20398906 and preceding 20398908. In scientific notation, it is written as 2.0398907 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 19511976 positive integers (up to 20398907) that are relatively prime to 20398907.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-eight thousand nine hundred seven

Notation

Scientific notation 2.0398907 × 10^7
Engineering notation 2.0398907 × 10^6

Prime Factorization of 20398907

Prime Factorization 23 × 886909

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20398907
Product of the distinct prime numbers

The prime factorization of 20398907 is 23 × 886909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20398907)

Multiplication

n×y
n×2 40797814
n×3 61196721
n×4 81595628
n×5 101994535

Division

n÷y
n÷2 10199453.5
n÷3 6799635.6666667
n÷3 5099726.75
n÷5 4079781.4

Exponentiation

ny
n2 416115406794649
n3 8.4882994844712E+21
n4 1.7315203177188E+29
n5 3.5321121929755E+36

Nth Root

y√n
2√n 4516.5149175
3√n 273.23456160873
4√n 67.205021519973
5√n 28.968191285785

Divisors of 20398907

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 -20398906
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 20398907 can be divided by 4 positive divisors. The sum of these divisors (counting 20398907) is 1, the average is 0.25.

Base conversion 20398907

Base System Value
2 Binary 1001101110100001100111011
3 Ternary 1102101101001002
4 Quaternary 1031310030323
5 Quinary 20210231112
6 Senary 2005115215
8 Octal 115641473
10 Decimal 20398907
12 Duodecimal 69b8b0b
16 Hexadecimal 137433b
20 Vigesimal 679h57
36 Base36 c57wb

Cryptographic Hash Functions

md5 923783d73b5969910673ea6a5df82c22
sha1 6b8c6ffab535b78438f504d47058030f3a16e7a0
sha256 a04c0cd872e6d6230a7ef03f370339d8b4e67b22bf4e706ad52e2ed6a160f85f
sha512 abad6a93b60489334cde6638e283f46b9408bf384948abf348da5b8e49676f0ed9c7e24784d8140acfbedd93d810a95aa3d62eaa8d1bae2f817bd03a9a8d5705
ripemd-160 a64bc876720d76df2040d33010efc826d49041ab

20398907 as geometric shapes

Circle

Radius = n
Diameter 40797814
Circumference 128170112.74492
Area 1.3072651050316E+15

Sphere

Radius = n
Volume 3.5555705735846E+22
Surface area 5.2290604201264E+15
Circumference 128170112.74492

Square

Length = n
Perimeter 81595628
Area 416115406794649
Diagonal 28848410.936987

Cube

Length = n
Surface area 2496692440767894
Volume 8.4882994844712E+21
Space diagonal 35331943.342872

Equilateral Triangle

Length = n
Perimeter 61196721
Area 1.8018325659513E+14
Altitude 17665971.671436

Triangular Pyramid

Length = n
Surface area 1.8018325659513E+14
Volume 1.000355687702E+21
Height 9616136.9789958