20145840 (number)

20145840 is an even 8-digits composite number following 20145839 and preceding 20145841. In scientific notation, it is written as 2.0145840 × 10^7. The sum of its digits is 24. It has a total of 8 prime factors and 80 positive divisors. There are 4500480 positive integers (up to 20145840) that are relatively prime to 20145840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145840 × 10^7
Engineering notation 2.0145840 × 10^6

Prime Factorization of 20145840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 33 × 13 × 587

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2518230
Product of the distinct prime numbers

The prime factorization of 20145840 is 2 × 2 × 2 × 2 × 5 × 33 × 13 × 587. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 6, 23, 41, 541, 324, 2423, 5980, 68679, 55058, 295963, 586908, 2561895, 8840181, 31096574, 4443590, 720617487, 849550933, 6157633193, 9210873932

Basic calculations (n = 20145840)

Multiplication

n×y
n×2 40291680
n×3 60437520
n×4 80583360
n×5 100729200

Division

n÷y
n÷2 10072920
n÷3 6715280
n÷3 5036460
n÷5 4029168

Exponentiation

ny
n2 405854869305600
n3 8.1762872602515E+21
n4 1.6471817493907E+29
n5 3.3183859974144E+36

Nth Root

y√n
2√n 4488.4117458183
3√n 272.09994885086
4√n 66.995609899592
5√n 28.895956582389

Divisors of 20145840

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 33, 40, 52, 65, 66, 80, 104, 130, 132, 165, 208, 260, 264, 330, 429, 520, 528, 587, 660, 858, 1040, 1174, 1320, 1716, 2145, 2348, 2640, 2935, 3432, 4290, 4696, 5870, 6864, 7631, 8580, 9392, 11740, 15262, 17160, 19371, 23480, 30524, 34320, 38155, 38742, 46960, 61048, 76310, 77484, 96855, 122096, 152620, 154968, 193710, 251823, 305240, 309936, 387420, 503646, 610480, 774840, 1007292, 1259115, 1549680, 2014584, 2518230, 4029168, 5036460, 10072920, 20145840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145840 can be divided by 80 positive divisors. The sum of these divisors (counting 20145840) is 1, the average is 0.0125.

Base conversion 20145840

Base System Value
2 Binary 1001100110110011010110000
3 Ternary 1101220111220020
4 Quaternary 1030312122300
5 Quinary 20124131330
6 Senary 1555443440
8 Octal 114663260
10 Decimal 20145840
12 Duodecimal 68b6580
16 Hexadecimal 13366b0
20 Vigesimal 65i4c0
36 Base36 bzsmo

Cryptographic Hash Functions

md5 a7b47efafb93b532ae2277df6c4f72ba
sha1 1288093339f5f5927da6fbebb4c17d3e4d056c3d
sha256 c040ffd1792c7c5b40b68f30d2492424eaeaf71816514b8543ae08c8412610d8
sha512 7544c40946cb95773304357e32487c256acf63dbaaebd394d515ca0f2cb0a38d4c67d6634d4f4cef7f941d7cb27981d5c191ce6bc72416d9c5cb61d148d1d896
ripemd-160 14aeb2cbbd4af026810b86b16bd25066cf2d99d2

20145840 as geometric shapes

Circle

Radius = n
Diameter 40291680
Circumference 126580045.88879
Area 1.2750306758341E+15

Sphere

Radius = n
Volume 3.4248751987261E+22
Surface area 5.1001227033365E+15
Circumference 126580045.88879

Square

Length = n
Perimeter 80583360
Area 405854869305600
Diagonal 28490520.153398

Cube

Length = n
Surface area 2435129215833600
Volume 8.1762872602515E+21
Space diagonal 34893618.441153

Equilateral Triangle

Length = n
Perimeter 60437520
Area 1.7574031353413E+14
Altitude 17446809.220577

Triangular Pyramid

Length = n
Surface area 1.7574031353413E+14
Volume 9.6358469444217E+20
Height 9496840.0511328