20145645 (number)

20145645 is an odd 8-digits composite number following 20145644 and preceding 20145646. In scientific notation, it is written as 2.0145645 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 9906624 positive integers (up to 20145645) that are relatively prime to 20145645.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145645 × 10^7
Engineering notation 2.0145645 × 10^6

Prime Factorization of 20145645

Prime Factorization 15 × 9 × 169 × 883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20145645
Product of the distinct prime numbers

The prime factorization of 20145645 is 15 × 9 × 169 × 883. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 45, 94, 897, 830, 3154, 4041, 55025, 52924, 621953, 691262, 188125, 4223767, 42847938, 91749086, 595916129, 422234604, 9076566838, 7611272019

Basic calculations (n = 20145645)

Multiplication

n×y
n×2 40291290
n×3 60436935
n×4 80582580
n×5 100728225

Division

n÷y
n÷2 10072822.5
n÷3 6715215
n÷3 5036411.25
n÷5 4029129

Exponentiation

ny
n2 405847012466025
n3 8.1760498374511E+21
n4 1.647117975276E+29
n5 3.3182254003029E+36

Nth Root

y√n
2√n 4488.3900231598
3√n 272.09907092501
4√n 66.995447779381
5√n 28.895900642966

Divisors of 20145645

1, 9, 15, 135, 169, 883, 1521, 2535, 7947, 13245, 22815, 119205, 149227, 1343043, 2238405, 20145645

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145645 can be divided by 16 positive divisors. The sum of these divisors (counting 20145645) is 1, the average is 0.0625.

Base conversion 20145645

Base System Value
2 Binary 1001100110110010111101101
3 Ternary 1101220111122000
4 Quaternary 1030312113231
5 Quinary 20124130040
6 Senary 1555442513
8 Octal 114662755
10 Decimal 20145645
12 Duodecimal 68b6439
16 Hexadecimal 13365ed
20 Vigesimal 65i425
36 Base36 bzsh9

Cryptographic Hash Functions

md5 4c12582f1f411edf058ba8dee563f01c
sha1 2f63880ff3d0ce0b7bfabaad53514a7550d50644
sha256 ab925c69ac5b6e0a305b6d201834530ae66d727f416e06152eb6ff357a42be6a
sha512 eb2d5fcaf599f45e4aa5a0bd9245d66bc3a0beb3754b9da56e81d0f4b8f5f7ff66a32914c12ccb497ae219a8d0c77c3332b2fa1cb4572293c94165500dce8ddf
ripemd-160 ad306275050ebd0bcdeef45b89d900116f6ae6f1

20145645 as geometric shapes

Circle

Radius = n
Diameter 40291290
Circumference 126578820.66766
Area 1.2750059928446E+15

Sphere

Radius = n
Volume 3.4247757472961E+22
Surface area 5.1000239713785E+15
Circumference 126578820.66766

Square

Length = n
Perimeter 80582580
Area 405847012466025
Diagonal 28490244.381754

Cube

Length = n
Surface area 2435082074796150
Volume 8.1760498374511E+21
Space diagonal 34893280.691246

Equilateral Triangle

Length = n
Perimeter 60436935
Area 1.757369114228E+14
Altitude 17446640.345623

Triangular Pyramid

Length = n
Surface area 1.757369114228E+14
Volume 9.6355671389681E+20
Height 9496748.1272512