20157638 (number)

20157638 is an even 8-digits composite number following 20157637 and preceding 20157639. In scientific notation, it is written as 2.0157638 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10078818 positive integers (up to 20157638) that are relatively prime to 20157638.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand six hundred thirty-eight

Notation

Scientific notation 2.0157638 × 10^7
Engineering notation 2.0157638 × 10^6

Prime Factorization of 20157638

Prime Factorization 2 × 10078819

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20157638
Product of the distinct prime numbers

The prime factorization of 20157638 is 2 × 10078819. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157638)

Multiplication

n×y
n×2 40315276
n×3 60472914
n×4 80630552
n×5 100788190

Division

n÷y
n÷2 10078819
n÷3 6719212.6666667
n÷3 5039409.5
n÷5 4031527.6

Exponentiation

ny
n2 406330369739044
n3 8.1906605016058E+21
n4 1.6510436937227E+29
n5 3.3281141100245E+36

Nth Root

y√n
2√n 4489.7258268184
3√n 272.15305507909
4√n 67.005416399112
5√n 28.899340255286

Divisors of 20157638

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157637
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157638 can be divided by 4 positive divisors. The sum of these divisors (counting 20157638) is 1, the average is 0.25.

Base conversion 20157638

Base System Value
2 Binary 1001100111001010011000110
3 Ternary 1101221010002012
4 Quaternary 1030321103012
5 Quinary 20130021023
6 Senary 2000014222
8 Octal 114712306
10 Decimal 20157638
12 Duodecimal 6901372
16 Hexadecimal 13394c6
20 Vigesimal 65je1i
36 Base36 c01qe

Cryptographic Hash Functions

md5 c0a5e933bc8c0524165534a4bbec4fd7
sha1 27a34ffa880d7cbbcec77e6a34430cc8a50715db
sha256 ca80ca046073803408c04d3e4f8d3c6a6dfeedca0d1e15137b7bdfa804f2f1d3
sha512 33b421de2fb5504786beae117045a4f5b622e5327032352ca7f94ff8a1fec20115130e020fa7b0403561b497bbc572c9976f4f5294695552ad1884026b9cd446
ripemd-160 8ab7c059fbeb8e722de21a55b25a7d7c7cf34871

20157638 as geometric shapes

Circle

Radius = n
Diameter 40315276
Circumference 126654174.90904
Area 1.2765245045026E+15

Sphere

Radius = n
Volume 3.4308958479857E+22
Surface area 5.1060980180104E+15
Circumference 126654174.90904

Square

Length = n
Perimeter 80630552
Area 406330369739044
Diagonal 28507205.045007

Cube

Length = n
Surface area 2437982218434264
Volume 8.1906605016058E+21
Space diagonal 34914053.176581

Equilateral Triangle

Length = n
Perimeter 60472914
Area 1.7594621126157E+14
Altitude 17457026.588291

Triangular Pyramid

Length = n
Surface area 1.7594621126157E+14
Volume 9.6527859718038E+20
Height 9502401.6816691