20087431 (number)

20087431 is an odd 8-digits composite number following 20087430 and preceding 20087432. In scientific notation, it is written as 2.0087431 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 15737184 positive integers (up to 20087431) that are relatively prime to 20087431.

Interesting facts

Basic properties

Name

Name twenty million eighty-seven thousand four hundred thirty-one

Notation

Scientific notation 2.0087431 × 10^7
Engineering notation 2.0087431 × 10^6

Prime Factorization of 20087431

Prime Factorization 7 × 107 × 13 × 2063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20087431
Product of the distinct prime numbers

The prime factorization of 20087431 is 7 × 107 × 13 × 2063. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 80, 80, 545, 189, 869, 8747, 39316, 97501, 37220, 601178, 2111880, 4104678, 82049796, 14090170, 942032247, 914958967, 4941573269, 7256975608

Basic calculations (n = 20087431)

Multiplication

n×y
n×2 40174862
n×3 60262293
n×4 80349724
n×5 100437155

Division

n÷y
n÷2 10043715.5
n÷3 6695810.3333333
n÷3 5021857.75
n÷5 4017486.2

Exponentiation

ny
n2 403504884179761
n3 8.1053765191239E+21
n4 1.6281619155692E+29
n5 3.2705590135825E+36

Nth Root

y√n
2√n 4481.9003781878
3√n 271.8367270914
4√n 66.946996782438
5√n 28.879181459562

Divisors of 20087431

1, 7, 13, 91, 107, 749, 1391, 2063, 9737, 14441, 26819, 187733, 220741, 1545187, 2869633, 20087431

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 -20087430
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 20087431 can be divided by 16 positive divisors. The sum of these divisors (counting 20087431) is 1, the average is 0.0625.

Base conversion 20087431

Base System Value
2 Binary 1001100101000001010000111
3 Ternary 1101210112202221
4 Quaternary 1030220022013
5 Quinary 20120244211
6 Senary 1554313211
8 Octal 114501207
10 Decimal 20087431
12 Duodecimal 6888807
16 Hexadecimal 1328287
20 Vigesimal 65aibb
36 Base36 byjk7

Cryptographic Hash Functions

md5 1a62ad8a112475634a374b3572b9d893
sha1 1f2574765b0e561c1e13271883b9d03326035693
sha256 483f15f1fdfb4fa7af5f087d771237e44411f8ff9b6ecd5a1027935019869fe2
sha512 d0c3290ec11f95e21e6d71ec09af6c6ea36eccc3782019105f520d5170c491c9610e783f141324f07fa3468293fe42fc6fdfff70a86436d58006d0a2c96fb543
ripemd-160 8cb64ec9db6bf39f6d529643f6c3788698e4ade7

20087431 as geometric shapes

Circle

Radius = n
Diameter 40174862
Circumference 126213051.31818
Area 1.2676479798267E+15

Sphere

Radius = n
Volume 3.3951721769412E+22
Surface area 5.070591919307E+15
Circumference 126213051.31818

Square

Length = n
Perimeter 80349724
Area 403504884179761
Diagonal 28407917.353434

Cube

Length = n
Surface area 2421029305078566
Volume 8.1053765191239E+21
Space diagonal 34792451.085534

Equilateral Triangle

Length = n
Perimeter 60262293
Area 1.7472274012539E+14
Altitude 17396225.542767

Triangular Pyramid

Length = n
Surface area 1.7472274012539E+14
Volume 9.5522778345713E+20
Height 9469305.7844779