20087428 (number)

20087428 is an even 8-digits composite number following 20087427 and preceding 20087429. In scientific notation, it is written as 2.0087428 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 9983240 positive integers (up to 20087428) that are relatively prime to 20087428.

Interesting facts

Basic properties

Name

Name twenty million eighty-seven thousand four hundred twenty-eight

Notation

Scientific notation 2.0087428 × 10^7
Engineering notation 2.0087428 × 10^6

Prime Factorization of 20087428

Prime Factorization 2 × 2 × 167 × 30071

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10043714
Product of the distinct prime numbers

The prime factorization of 20087428 is 2 × 2 × 167 × 30071. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 52, 20, 543, 387, 3686, 3919, 70230, 99858, 518603, 502799, 6419682, 5355548, 12219794, 82925731, 433630715, 793473547, 6758089283, 6012181705

Basic calculations (n = 20087428)

Multiplication

n×y
n×2 40174856
n×3 60262284
n×4 80349712
n×5 100437140

Division

n÷y
n÷2 10043714
n÷3 6695809.3333333
n÷3 5021857
n÷5 4017485.6

Exponentiation

ny
n2 403504763655184
n3 8.1053728875805E+21
n4 1.6281609429243E+29
n5 3.2705565713403E+36

Nth Root

y√n
2√n 4481.9000435083
3√n 271.83671355872
4√n 66.946994282853
5√n 28.879180596957

Divisors of 20087428

1, 2, 4, 167, 334, 668, 30071, 60142, 120284, 5021857, 10043714, 20087428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20087427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20087428 can be divided by 12 positive divisors. The sum of these divisors (counting 20087428) is 1, the average is 0.083333333333333.

Base conversion 20087428

Base System Value
2 Binary 1001100101000001010000100
3 Ternary 1101210112202211
4 Quaternary 1030220022010
5 Quinary 20120244203
6 Senary 1554313204
8 Octal 114501204
10 Decimal 20087428
12 Duodecimal 6888804
16 Hexadecimal 1328284
20 Vigesimal 65aib8
36 Base36 byjk4

Cryptographic Hash Functions

md5 5f52ae7d3118d0124a6ff149afdaa113
sha1 a1700e3adeacebf0ea10143a7bde08149cfd8b8e
sha256 68e8f990aed0fc5704c4508a5fb42f0fcf3b72949251acac38f592081a25e451
sha512 bce3888071c244fbd9c1f4ce2816ddd7282b7cf57929b1e1128d4a613e6c737e2b37ba07af1c9a42498f855ac367a23644b4053072cab5d5920b2e27c366deee
ripemd-160 3de0cc4f2f5a10a5c4633607f66ce64583646bd4

20087428 as geometric shapes

Circle

Radius = n
Diameter 40174856
Circumference 126213032.46863
Area 1.2676476011876E+15

Sphere

Radius = n
Volume 3.3951706557638E+22
Surface area 5.0705904047504E+15
Circumference 126213032.46863

Square

Length = n
Perimeter 80349712
Area 403504763655184
Diagonal 28407913.110793

Cube

Length = n
Surface area 2421028581931104
Volume 8.1053728875805E+21
Space diagonal 34792445.889382

Equilateral Triangle

Length = n
Perimeter 60262284
Area 1.7472268793671E+14
Altitude 17396222.944691

Triangular Pyramid

Length = n
Surface area 1.7472268793671E+14
Volume 9.5522735547563E+20
Height 9469304.3702644