20198945 (number)

20198945 is an odd 8-digits composite number following 20198944 and preceding 20198946. In scientific notation, it is written as 2.0198945 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 13964544 positive integers (up to 20198945) that are relatively prime to 20198945.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-eight thousand nine hundred forty-five

Notation

Scientific notation 2.0198945 × 10^7
Engineering notation 2.0198945 × 10^6

Prime Factorization of 20198945

Prime Factorization 5 × 17641 × 229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20198945
Product of the distinct prime numbers

The prime factorization of 20198945 is 5 × 17641 × 229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20198945)

Multiplication

n×y
n×2 40397890
n×3 60596835
n×4 80795780
n×5 100994725

Division

n÷y
n÷2 10099472.5
n÷3 6732981.6666667
n÷3 5049736.25
n÷5 4039789

Exponentiation

ny
n2 407997379113025
n3 8.2411166208481E+21
n4 1.664618613631E+29
n5 3.3623539822708E+36

Nth Root

y√n
2√n 4494.3236421068
3√n 272.33882677955
4√n 67.039716900557
5√n 28.911174655339

Divisors of 20198945

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 -20198944
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 20198945 can be divided by 8 positive divisors. The sum of these divisors (counting 20198945) is 1, the average is 0.125.

Base conversion 20198945

Base System Value
2 Binary 1001101000011011000100001
3 Ternary 1102000012202002
4 Quaternary 1031003120201
5 Quinary 20132331240
6 Senary 2000533345
8 Octal 115033041
10 Decimal 20198945
12 Duodecimal 6921255
16 Hexadecimal 1343621
20 Vigesimal 664h75
36 Base36 c0xlt

Cryptographic Hash Functions

md5 f8d7b7eed19d6188427c6c78681d0ade
sha1 d7a14a51492833e0f9efbec5baa5c424d5791148
sha256 56fbd86c1dbd77af34d2935cc1e5074d71eabee46606b3ec0b1ac8cbc01d6853
sha512 27bc56ee2eb39d8970d7b9455c6f79bf7d9ad08c885903f56e81fd76529958f79676021483235c3a9218532804c25c41872f3c8e08a95acd9687ebdf0171e7ce
ripemd-160 879e5da2dffbee1bdbb4dd8a9e8203d29b379207

20198945 as geometric shapes

Circle

Radius = n
Diameter 40397890
Circumference 126913714.44453
Area 1.2817615689054E+15

Sphere

Radius = n
Volume 3.4520308577911E+22
Surface area 5.1270462756215E+15
Circumference 126913714.44453

Square

Length = n
Perimeter 80795780
Area 407997379113025
Diagonal 28565621.964628

Cube

Length = n
Surface area 2447984274678150
Volume 8.2411166208481E+21
Space diagonal 34985598.999289

Equilateral Triangle

Length = n
Perimeter 60596835
Area 1.7666804749468E+14
Altitude 17492799.499645

Triangular Pyramid

Length = n
Surface area 1.7666804749468E+14
Volume 9.7122490785848E+20
Height 9521873.9882094