20178972 (number)

20178972 is an even 8-digits composite number following 20178971 and preceding 20178973. In scientific notation, it is written as 2.0178972 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 6114720 positive integers (up to 20178972) that are relatively prime to 20178972.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventy-eight thousand nine hundred seventy-two

Notation

Scientific notation 2.0178972 × 10^7
Engineering notation 2.0178972 × 10^6

Prime Factorization of 20178972

Prime Factorization 2 × 2 × 99 × 50957

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10089486
Product of the distinct prime numbers

The prime factorization of 20178972 is 2 × 2 × 99 × 50957. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20178972)

Multiplication

n×y
n×2 40357944
n×3 60536916
n×4 80715888
n×5 100894860

Division

n÷y
n÷2 10089486
n÷3 6726324
n÷3 5044743
n÷5 4035794.4

Exponentiation

ny
n2 407190910976784
n3 8.216693991255E+21
n4 1.658044379821E+29
n5 3.3457631115166E+36

Nth Root

y√n
2√n 4492.1010674294
3√n 272.24903302659
4√n 67.023138298869
5√n 28.905454837592

Divisors of 20178972

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20178971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20178972 can be divided by 12 positive divisors. The sum of these divisors (counting 20178972) is 1, the average is 0.083333333333333.

Base conversion 20178972

Base System Value
2 Binary 1001100111110100000011100
3 Ternary 1101222012100100
4 Quaternary 1030332200130
5 Quinary 20131211342
6 Senary 2000301100
8 Octal 114764034
10 Decimal 20178972
12 Duodecimal 6911790
16 Hexadecimal 133e81c
20 Vigesimal 66278c
36 Base36 c0i70

Cryptographic Hash Functions

md5 8431471f4b065ef37917459e0ae4fd63
sha1 51befa1c56dd21f16992ce1db14d7d088a2c59e7
sha256 5797dfcdd97a13df5a654c2b8e04c45cad7a1d03b557ea0970b9ac30dd28566a
sha512 a2c5c4ee80be7dd0774468cb399681dc245a059cabe0dfcc23627e307ef1fb1914e022f20094d10c8e6e0fa6209a0333bd0e65fe1c7918ea3f53fd88cf4bbf42
ripemd-160 b9df8bed41865198da815cae5fead55c4ad75f89

20178972 as geometric shapes

Circle

Radius = n
Diameter 40357944
Circumference 126788220.38439
Area 1.2792279745332E+15

Sphere

Radius = n
Volume 3.4418007306296E+22
Surface area 5.1169118981328E+15
Circumference 126788220.38439

Square

Length = n
Perimeter 80715888
Area 407190910976784
Diagonal 28537375.877147

Cube

Length = n
Surface area 2443145465860704
Volume 8.216693991255E+21
Space diagonal 34951004.74851

Equilateral Triangle

Length = n
Perimeter 60536916
Area 1.7631883654801E+14
Altitude 17475502.374255

Triangular Pyramid

Length = n
Surface area 1.7631883654801E+14
Volume 9.6834667335853E+20
Height 9512458.6257156