20145640 (number)

20145640 is an even 8-digits composite number following 20145639 and preceding 20145641. In scientific notation, it is written as 2.0145640 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors. There are 7985152 positive integers (up to 20145640) that are relatively prime to 20145640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145640 × 10^7
Engineering notation 2.0145640 × 10^6

Prime Factorization of 20145640

Prime Factorization 2 × 2 × 2 × 5 × 113 × 4457

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5036410
Product of the distinct prime numbers

The prime factorization of 20145640 is 2 × 2 × 2 × 5 × 113 × 4457. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 10, 92, 50, 665, 608, 5468, 5734, 55386, 89205, 196414, 331238, 4275235, 2017641, 94391511, 10118356, 965254042, 55063061, 6708024274, 2508556976

Basic calculations (n = 20145640)

Multiplication

n×y
n×2 40291280
n×3 60436920
n×4 80582560
n×5 100728200

Division

n÷y
n÷2 10072820
n÷3 6715213.3333333
n÷3 5036410
n÷5 4029128

Exponentiation

ny
n2 405846811009600
n3 8.1760437497474E+21
n4 1.6471163400666E+29
n5 3.31822128251E+36

Nth Root

y√n
2√n 4488.3894661671
3√n 272.09904841402
4√n 66.995443622437
5√n 28.895899208616

Divisors of 20145640

1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4457, 4520, 8914, 17828, 22285, 35656, 44570, 89140, 178280, 503641, 1007282, 2014564, 2518205, 4029128, 5036410, 10072820, 20145640

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145640 can be divided by 32 positive divisors. The sum of these divisors (counting 20145640) is 1, the average is 0.03125.

Base conversion 20145640

Base System Value
2 Binary 1001100110110010111101000
3 Ternary 1101220111121211
4 Quaternary 1030312113220
5 Quinary 20124130030
6 Senary 1555442504
8 Octal 114662750
10 Decimal 20145640
12 Duodecimal 68b6434
16 Hexadecimal 13365e8
20 Vigesimal 65i420
36 Base36 bzsh4

Cryptographic Hash Functions

md5 95be91db10ac0dd9cf0497f1c3e93eed
sha1 f56484a0876c9056d046e3240287f91318bf03fe
sha256 321cd1eea4755424c26afd91ba25b78e611e605cb6834281bab0b5d9371fc2a6
sha512 8c308f7ed6986f0ed11a5d612ab7d534df0cfabf078b9d41e0635626b01e4fb6779530ef93f92d6f0550134492c896b0dbf412549711b7165e9f4f637e757b2f
ripemd-160 3c4df2f0051d3fc1bdac841cae979bf64353a518

20145640 as geometric shapes

Circle

Radius = n
Diameter 40291280
Circumference 126578789.25173
Area 1.2750053599506E+15

Sphere

Radius = n
Volume 3.4247731972847E+22
Surface area 5.1000214398024E+15
Circumference 126578789.25173

Square

Length = n
Perimeter 80582560
Area 405846811009600
Diagonal 28490237.310686

Cube

Length = n
Surface area 2435080866057600
Volume 8.1760437497474E+21
Space diagonal 34893272.030992

Equilateral Triangle

Length = n
Perimeter 60436920
Area 1.7573682418961E+14
Altitude 17446636.015496

Triangular Pyramid

Length = n
Surface area 1.7573682418961E+14
Volume 9.6355599645405E+20
Height 9496745.7702286