20138545 (number)

20138545 is an odd 8-digits composite number following 20138544 and preceding 20138546. In scientific notation, it is written as 2.0138545 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 13435200 positive integers (up to 20138545) that are relatively prime to 20138545.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0138545 × 10^7
Engineering notation 2.0138545 × 10^6

Prime Factorization of 20138545

Prime Factorization 5 × 7 × 37 × 15551

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20138545
Product of the distinct prime numbers

The prime factorization of 20138545 is 5 × 7 × 37 × 15551. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 25, 40, 910, 652, 5968, 9720, 37141, 95602, 49354, 778347, 6365202, 3011270, 6587654, 10047323, 304866151, 428526586, 8419303505, 6367583903

Basic calculations (n = 20138545)

Multiplication

n×y
n×2 40277090
n×3 60415635
n×4 80554180
n×5 100692725

Division

n÷y
n÷2 10069272.5
n÷3 6712848.3333333
n÷3 5034636.25
n÷5 4027709

Exponentiation

ny
n2 405560994717025
n3 8.1674083423536E+21
n4 1.6447972043586E+29
n5 3.312382251585E+36

Nth Root

y√n
2√n 4487.5990239771
3√n 272.06710156052
4√n 66.989544139194
5√n 28.893863579145

Divisors of 20138545

1, 5, 7, 35, 37, 185, 259, 1295, 15551, 77755, 108857, 544285, 575387, 2876935, 4027709, 20138545

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 -20138544
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 20138545 can be divided by 16 positive divisors. The sum of these divisors (counting 20138545) is 1, the average is 0.0625.

Base conversion 20138545

Base System Value
2 Binary 1001100110100101000110001
3 Ternary 1101220010220001
4 Quaternary 1030310220301
5 Quinary 20123413140
6 Senary 1555350001
8 Octal 114645061
10 Decimal 20138545
12 Duodecimal 68b2301
16 Hexadecimal 1334a31
20 Vigesimal 65h675
36 Base36 bzn01

Cryptographic Hash Functions

md5 e4a2af462433def996410143fb398b71
sha1 f5d5e5b6ebb59f4b055b76b86c248d69247f20c9
sha256 0482d1e682973071e625201bcc6a3658ba47af19f819a99b672c82cb511b56ef
sha512 03b40672118d815e9a223583df03510d875a38549ad5367cf697d20766853b29c385414a1852d98777db4d294816fc94a158a7ba02e42c9e5d9112e503dd35f6
ripemd-160 099380a69fbf0bb3adac2e374eafa2639bc5d1d6

20138545 as geometric shapes

Circle

Radius = n
Diameter 40277090
Circumference 126534210.05197
Area 1.2741074415856E+15

Sphere

Radius = n
Volume 3.4211560062941E+22
Surface area 5.0964297663423E+15
Circumference 126534210.05197

Square

Length = n
Perimeter 80554180
Area 405560994717025
Diagonal 28480203.465461

Cube

Length = n
Surface area 2433365968302150
Volume 8.1674083423536E+21
Space diagonal 34880983.130512

Equilateral Triangle

Length = n
Perimeter 60415635
Area 1.7561306210452E+14
Altitude 17440491.565256

Triangular Pyramid

Length = n
Surface area 1.7561306210452E+14
Volume 9.6253830393296E+20
Height 9493401.1551536