20157872 (number)

20157872 is an even 8-digits composite number following 20157871 and preceding 20157873. In scientific notation, it is written as 2.0157872 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors. There are 8639040 positive integers (up to 20157872) that are relatively prime to 20157872.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand eight hundred seventy-two

Notation

Scientific notation 2.0157872 × 10^7
Engineering notation 2.0157872 × 10^6

Prime Factorization of 20157872

Prime Factorization 2 × 2 × 2 × 2 × 7 × 179981

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2519734
Product of the distinct prime numbers

The prime factorization of 20157872 is 2 × 2 × 2 × 2 × 7 × 179981. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 8, 84, 65, 167, 482, 8831, 7434, 21720, 95279, 386568, 845679, 8680339, 595817, 41807073, 62602851, 903938557, 348982611, 4080543579, 1104138919

Basic calculations (n = 20157872)

Multiplication

n×y
n×2 40315744
n×3 60473616
n×4 80631488
n×5 100789360

Division

n÷y
n÷2 10078936
n÷3 6719290.6666667
n÷3 5039468
n÷5 4031574.4

Exponentiation

ny
n2 406339803568384
n3 8.1909457488366E+21
n4 1.6511203596399E+29
n5 3.3283072866216E+36

Nth Root

y√n
2√n 4489.7518862405
3√n 272.15410817153
4√n 67.005610856409
5√n 28.89940735059

Divisors of 20157872

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 179981, 359962, 719924, 1259867, 1439848, 2519734, 2879696, 5039468, 10078936, 20157872

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157872 can be divided by 20 positive divisors. The sum of these divisors (counting 20157872) is 1, the average is 0.05.

Base conversion 20157872

Base System Value
2 Binary 1001100111001010110110000
3 Ternary 1101221010101212
4 Quaternary 1030321112300
5 Quinary 20130022442
6 Senary 2000015252
8 Octal 114712660
10 Decimal 20157872
12 Duodecimal 6901528
16 Hexadecimal 13395b0
20 Vigesimal 65jedc
36 Base36 c01ww

Cryptographic Hash Functions

md5 7a110c203969cf4a7aea158a091a3922
sha1 f18ddd9ecb86d5b437444ff80ed61912a6142593
sha256 7eb0115679436c6f0850ca201b3538d84514a16a6eebc550a11757d18eca9566
sha512 1a2bfdab0ea8675e10658280db895cb15e57c5be7b194139ff36b22a35eb2f496ec54bcc0b4459fb0bfc4c9c7170c0748c74fcb742313d746534656ca0f17b2c
ripemd-160 6be9f27f9ec353ef368fb683ee6fe97be2723895

20157872 as geometric shapes

Circle

Radius = n
Diameter 40315744
Circumference 126655645.17441
Area 1.2765541417516E+15

Sphere

Radius = n
Volume 3.4310153320664E+22
Surface area 5.1062165670062E+15
Circumference 126655645.17441

Square

Length = n
Perimeter 80631488
Area 406339803568384
Diagonal 28507535.970981

Cube

Length = n
Surface area 2438038821410304
Volume 8.1909457488366E+21
Space diagonal 34914458.47647

Equilateral Triangle

Length = n
Perimeter 60473616
Area 1.759502962295E+14
Altitude 17457229.238235

Triangular Pyramid

Length = n
Surface area 1.759502962295E+14
Volume 9.6531221388892E+20
Height 9502511.990327