20145986 (number)

20145986 is an even 8-digits composite number following 20145985 and preceding 20145987. In scientific notation, it is written as 2.0145986 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 32 positive divisors. There are 7948800 positive integers (up to 20145986) that are relatively prime to 20145986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145986 × 10^7
Engineering notation 2.0145986 × 10^6

Prime Factorization of 20145986

Prime Factorization 2 × 17 × 7 × 47 × 1801

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20145986
Product of the distinct prime numbers

The prime factorization of 20145986 is 2 × 17 × 7 × 47 × 1801. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 89, 48, 28, 759, 3273, 1408, 28774, 33458, 62365, 406979, 4200944, 8737624, 28562016, 39593183, 93276591, 882505433, 3056316974, 3008666363

Basic calculations (n = 20145986)

Multiplication

n×y
n×2 40291972
n×3 60437958
n×4 80583944
n×5 100729930

Division

n÷y
n÷2 10072993
n÷3 6715328.6666667
n÷3 5036496.5
n÷5 4029197.2

Exponentiation

ny
n2 405860751912196
n3 8.1764650259726E+21
n4 1.6472294994273E+29
n5 3.318506243425E+36

Nth Root

y√n
2√n 4488.4280098939
3√n 272.100606166
4√n 66.995731281134
5√n 28.895998464956

Divisors of 20145986

1, 2, 7, 14, 17, 34, 47, 94, 119, 238, 329, 658, 799, 1598, 1801, 3602, 5593, 11186, 12607, 25214, 30617, 61234, 84647, 169294, 214319, 428638, 592529, 1185058, 1438999, 2877998, 10072993, 20145986

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 -20145985
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 20145986 can be divided by 32 positive divisors. The sum of these divisors (counting 20145986) is 1, the average is 0.03125.

Base conversion 20145986

Base System Value
2 Binary 1001100110110011101000010
3 Ternary 1101220112002122
4 Quaternary 1030312131002
5 Quinary 20124132421
6 Senary 1555444242
8 Octal 114663502
10 Decimal 20145986
12 Duodecimal 68b6682
16 Hexadecimal 1336742
20 Vigesimal 65i4j6
36 Base36 bzsqq

Cryptographic Hash Functions

md5 8caf6f8e697f9bb34c976db418f5d59b
sha1 d3eb9b89daef915d4db0f2b82e89eb006ca9824d
sha256 21aaa14f2ae65db3129c5f8ee0bff539dfaaa9c339dab2cabc1d10149b6d4f7a
sha512 781f1896e6bec61095549c20595bf7b5950d1863efa2031295a6b258e70e114583104d241f98e8ec2801a4b0d4525fc03f89fe9a074d4dfd1a2149118c8b0900
ripemd-160 a059aa8d0ef49bdaa74fba74a9665ddabe7d2cef

20145986 as geometric shapes

Circle

Radius = n
Diameter 40291972
Circumference 126580963.23385
Area 1.2750491565878E+15

Sphere

Radius = n
Volume 3.4249496610572E+22
Surface area 5.1001966263511E+15
Circumference 126580963.23385

Square

Length = n
Perimeter 80583944
Area 405860751912196
Diagonal 28490726.628579

Cube

Length = n
Surface area 2435164511473176
Volume 8.1764650259726E+21
Space diagonal 34893871.320571

Equilateral Triangle

Length = n
Perimeter 60437958
Area 1.7574286077751E+14
Altitude 17446935.660286

Triangular Pyramid

Length = n
Surface area 1.7574286077751E+14
Volume 9.6360564433331E+20
Height 9496908.8761928