20157731 (number)

20157731 is an odd 8-digits composite number following 20157730 and preceding 20157732. In scientific notation, it is written as 2.0157731 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 18161920 positive integers (up to 20157731) that are relatively prime to 20157731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157731 × 10^7
Engineering notation 2.0157731 × 10^6

Prime Factorization of 20157731

Prime Factorization 11 × 113 × 16217

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20157731
Product of the distinct prime numbers

The prime factorization of 20157731 is 11 × 113 × 16217. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157731)

Multiplication

n×y
n×2 40315462
n×3 60473193
n×4 80630924
n×5 100788655

Division

n÷y
n÷2 10078865.5
n÷3 6719243.6666667
n÷3 5039432.75
n÷5 4031546.2

Exponentiation

ny
n2 406334119068361
n3 8.190773868302E+21
n4 1.6510741631906E+29
n5 3.3281908842646E+36

Nth Root

y√n
2√n 4489.7361837863
3√n 272.15347361681
4√n 67.005493683625
5√n 28.899366921443

Divisors of 20157731

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20157730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157731 can be divided by 8 positive divisors. The sum of these divisors (counting 20157731) is 1, the average is 0.125.

Base conversion 20157731

Base System Value
2 Binary 1001100111001010100100011
3 Ternary 1101221010012122
4 Quaternary 1030321110203
5 Quinary 20130021411
6 Senary 2000014455
8 Octal 114712443
10 Decimal 20157731
12 Duodecimal 690142b
16 Hexadecimal 1339523
20 Vigesimal 65je6b
36 Base36 c01sz

Cryptographic Hash Functions

md5 5fc2f40cd4ff05ca8a8ecea3c1a942a3
sha1 11cb295b8816dc2885ff397f22b729694f3a95df
sha256 3f90f2bbeb7fca845919a38064efd65e338fb7a252a782c6d684bdc90371ad4c
sha512 88a0f5964de8e5fd77a7143ebb180560e0f6b5cf5112484fca757784eb1e0b5c594010a5b39f1aeb45e39b2d611af6efacf1e94d8a34ebdc58665274544ff803
ripemd-160 462e7f798627a7e4e3bd2e8ef5b4eff071badb76

20157731 as geometric shapes

Circle

Radius = n
Diameter 40315462
Circumference 126654759.24528
Area 1.276536283368E+15

Sphere

Radius = n
Volume 3.4309433349164E+22
Surface area 5.1061451334722E+15
Circumference 126654759.24528

Square

Length = n
Perimeter 80630924
Area 406334119068361
Diagonal 28507336.566869

Cube

Length = n
Surface area 2438004714410166
Volume 8.190773868302E+21
Space diagonal 34914214.257306

Equilateral Triangle

Length = n
Perimeter 60473193
Area 1.7594783476879E+14
Altitude 17457107.128653

Triangular Pyramid

Length = n
Surface area 1.7594783476879E+14
Volume 9.6529195757365E+20
Height 9502445.5222895