20195991 (number)

20195991 is an odd 8-digits composite number following 20195990 and preceding 20195992. In scientific notation, it is written as 2.0195991 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 13440960 positive integers (up to 20195991) that are relatively prime to 20195991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0195991 × 10^7
Engineering notation 2.0195991 × 10^6

Prime Factorization of 20195991

Prime Factorization 9 × 719 × 3121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20195991
Product of the distinct prime numbers

The prime factorization of 20195991 is 9 × 719 × 3121. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 71, 84, 105, 405, 4735, 9318, 69057, 40764, 761483, 411222, 4609417, 4244133, 74290526, 43490356, 726379063, 770223980, 9045749609, 3508563247

Basic calculations (n = 20195991)

Multiplication

n×y
n×2 40391982
n×3 60587973
n×4 80783964
n×5 100979955

Division

n÷y
n÷2 10097995.5
n÷3 6731997
n÷3 5048997.75
n÷5 4039198.2

Exponentiation

ny
n2 407878052472081
n3 8.2375014768237E+21
n4 1.6636450568842E+29
n5 3.3598960596027E+36

Nth Root

y√n
2√n 4493.9949933216
3√n 272.32555004463
4√n 67.037265705887
5√n 28.910328981406

Divisors of 20195991

1, 9, 719, 3121, 6471, 28089, 2243999, 20195991

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 -20195990
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 20195991 can be divided by 8 positive divisors. The sum of these divisors (counting 20195991) is 1, the average is 0.125.

Base conversion 20195991

Base System Value
2 Binary 1001101000010101010010111
3 Ternary 1102000001200200
4 Quaternary 1031002222113
5 Quinary 20132232431
6 Senary 2000511543
8 Octal 115025227
10 Decimal 20195991
12 Duodecimal 691b5b3
16 Hexadecimal 1342a97
20 Vigesimal 6649jb
36 Base36 c0vbr

Cryptographic Hash Functions

md5 15291915acd7f164f917d58dea95468a
sha1 8657de6f800af41c5a2857a1744189c226c41987
sha256 06bb255f0774b3edb7297773474ff494aeabe090128d8f705d8fcb19651882b6
sha512 2216edd53fe34940965f02d3e6ee2c6420ed37eee7acd8c989290deb9837108d95c065afc4f776159d37736166cb29942454318dea1142bdd06ed673b733d07d
ripemd-160 c338e4c5fa399c397cacf4678b866d71b47aa1c3

20195991 as geometric shapes

Circle

Radius = n
Diameter 40391982
Circumference 126895153.91513
Area 1.2813866932068E+15

Sphere

Radius = n
Volume 3.4505165498032E+22
Surface area 5.1255467728272E+15
Circumference 126895153.91513

Square

Length = n
Perimeter 80783964
Area 407878052472081
Diagonal 28561444.377765

Cube

Length = n
Surface area 2447268314832486
Volume 8.2375014768237E+21
Space diagonal 34980482.521204

Equilateral Triangle

Length = n
Perimeter 60587973
Area 1.7661637754347E+14
Altitude 17490241.260602

Triangular Pyramid

Length = n
Surface area 1.7661637754347E+14
Volume 9.7079885904937E+20
Height 9520481.459255