20145420 (number)

20145420 is an even 8-digits composite number following 20145419 and preceding 20145421. In scientific notation, it is written as 2.0145420 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 5372064 positive integers (up to 20145420) that are relatively prime to 20145420.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand four hundred twenty

Notation

Scientific notation 2.0145420 × 10^7
Engineering notation 2.0145420 × 10^6

Prime Factorization of 20145420

Prime Factorization 2 × 2 × 9 × 5 × 111919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10072710
Product of the distinct prime numbers

The prime factorization of 20145420 is 2 × 2 × 9 × 5 × 111919. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 8, 50, 100, 675, 540, 7422, 1988, 56535, 50198, 996102, 151310, 9100591, 6697935, 86017428, 40454306, 279570212, 852159285, 3672875749, 7657265166

Basic calculations (n = 20145420)

Multiplication

n×y
n×2 40290840
n×3 60436260
n×4 80581680
n×5 100727100

Division

n÷y
n÷2 10072710
n÷3 6715140
n÷3 5036355
n÷5 4029084

Exponentiation

ny
n2 405837946976400
n3 8.1757758937773E+21
n4 1.6470443920602E+29
n5 3.3180401036697E+36

Nth Root

y√n
2√n 4488.3649584231
3√n 272.09805792661
4√n 66.995260716136
5√n 28.895836096939

Divisors of 20145420

1, 2, 4, 5, 9, 10, 18, 20, 36, 45, 90, 180, 111919, 223838, 447676, 559595, 1007271, 1119190, 2014542, 2238380, 4029084, 5036355, 10072710, 20145420

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145420 can be divided by 24 positive divisors. The sum of these divisors (counting 20145420) is 1, the average is 0.041666666666667.

Base conversion 20145420

Base System Value
2 Binary 1001100110110010100001100
3 Ternary 1101220111022200
4 Quaternary 1030312110030
5 Quinary 20124123140
6 Senary 1555441500
8 Octal 114662414
10 Decimal 20145420
12 Duodecimal 68b6290
16 Hexadecimal 133650c
20 Vigesimal 65i3b0
36 Base36 bzsb0

Cryptographic Hash Functions

md5 59e6d22055fb99c73cb22ea3870f1521
sha1 e5cee8870a079639f4819ace7b06d7d2eda6a32c
sha256 2de37e9acfbda8f28c29aa3ba85409e62da8d4c0b8169d94932a2e6c800022d8
sha512 d53ff1a2be38807262c634e08528c9172d97104d3333788ea77ccd9b4e92d3201016121b7dcb9e966d47e9423d2d9027ad77ff59459f7106ab6cb506b3d92047
ripemd-160 a8841ce19c44dd435b4cd657a510c81de731857c

20145420 as geometric shapes

Circle

Radius = n
Diameter 40290840
Circumference 126577406.95096
Area 1.274977512769E+15

Sphere

Radius = n
Volume 3.4246609980383E+22
Surface area 5.0999100510761E+15
Circumference 126577406.95096

Square

Length = n
Perimeter 80581680
Area 405837946976400
Diagonal 28489926.183702

Cube

Length = n
Surface area 2435027681858400
Volume 8.1757758937773E+21
Space diagonal 34892890.979814

Equilateral Triangle

Length = n
Perimeter 60436260
Area 1.7573298595064E+14
Altitude 17446445.489907

Triangular Pyramid

Length = n
Surface area 1.7573298595064E+14
Volume 9.6352442932524E+20
Height 9496642.0612341