20398421 (number)

20398421 is an odd 8-digits composite number following 20398420 and preceding 20398422. In scientific notation, it is written as 2.0398421 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 19998720 positive integers (up to 20398421) that are relatively prime to 20398421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0398421 × 10^7
Engineering notation 2.0398421 × 10^6

Prime Factorization of 20398421

Prime Factorization 97 × 113 × 1861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20398421
Product of the distinct prime numbers

The prime factorization of 20398421 is 97 × 113 × 1861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20398421)

Multiplication

n×y
n×2 40796842
n×3 61195263
n×4 81593684
n×5 101992105

Division

n÷y
n÷2 10199210.5
n÷3 6799473.6666667
n÷3 5099605.25
n÷5 4079684.2

Exponentiation

ny
n2 416095579293241
n3 8.4876928026624E+21
n4 1.7313553110738E+29
n5 3.5316914535869E+36

Nth Root

y√n
2√n 4516.4611146339
3√n 273.23239167137
4√n 67.204621229748
5√n 28.968053252162

Divisors of 20398421

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20398420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20398421 can be divided by 8 positive divisors. The sum of these divisors (counting 20398421) is 1, the average is 0.125.

Base conversion 20398421

Base System Value
2 Binary 1001101110100000101010101
3 Ternary 1102101100101002
4 Quaternary 1031310011111
5 Quinary 20210222141
6 Senary 2005113045
8 Octal 115640525
10 Decimal 20398421
12 Duodecimal 69b8785
16 Hexadecimal 1374155
20 Vigesimal 679g11
36 Base36 c57it

Cryptographic Hash Functions

md5 ebd8310538e6667650b89420980d72f3
sha1 3b57c423101f32d12f1a16378d337d959bfe6e54
sha256 41700984c223ee5abf6eaa94dd68e2ef16991d25e8a183a513d32cb69ac910e8
sha512 7f7be1e2e8cf4626ef5edcce9081c65b937fc2d1d021d0112086e317d0c44d1315b943b72f426d90d50318e908ab4c4f24f2d1ba50bb3e1431eb247710bec6da
ripemd-160 c3db2b97be658274c3ef0c87dd5e60ac405ad57f

20398421 as geometric shapes

Circle

Radius = n
Diameter 40796842
Circumference 128167059.11686
Area 1.3072028150988E+15

Sphere

Radius = n
Volume 3.5553164473028E+22
Surface area 5.2288112603953E+15
Circumference 128167059.11686

Square

Length = n
Perimeter 81593684
Area 416095579293241
Diagonal 28847723.629196

Cube

Length = n
Surface area 2496573475759446
Volume 8.4876928026624E+21
Space diagonal 35331101.56618

Equilateral Triangle

Length = n
Perimeter 61195263
Area 1.8017467103517E+14
Altitude 17665550.78309

Triangular Pyramid

Length = n
Surface area 1.8017467103517E+14
Volume 1.0002841895651E+21
Height 9615907.8763987