20197731 (number)

20197731 is an odd 8-digits composite number following 20197730 and preceding 20197732. In scientific notation, it is written as 2.0197731 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13465152 positive integers (up to 20197731) that are relatively prime to 20197731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0197731 × 10^7
Engineering notation 2.0197731 × 10^6

Prime Factorization of 20197731

Prime Factorization 3 × 6732577

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20197731
Product of the distinct prime numbers

The prime factorization of 20197731 is 3 × 6732577. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20197731)

Multiplication

n×y
n×2 40395462
n×3 60593193
n×4 80790924
n×5 100988655

Division

n÷y
n÷2 10098865.5
n÷3 6732577
n÷3 5049432.75
n÷5 4039546.2

Exponentiation

ny
n2 407948337548361
n3 8.239630783699E+21
n4 1.6642184610847E+29
n5 3.3613436802223E+36

Nth Root

y√n
2√n 4494.188580823
3√n 272.33337062067
4√n 67.038709570091
5√n 28.910827122239

Divisors of 20197731

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 -20197730
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 20197731 can be divided by 4 positive divisors. The sum of these divisors (counting 20197731) is 1, the average is 0.25.

Base conversion 20197731

Base System Value
2 Binary 1001101000011000101100011
3 Ternary 1102000011002010
4 Quaternary 1031003011203
5 Quinary 20132311411
6 Senary 2000524003
8 Octal 115030543
10 Decimal 20197731
12 Duodecimal 6920603
16 Hexadecimal 1343163
20 Vigesimal 664e6b
36 Base36 c0wo3

Cryptographic Hash Functions

md5 76406ce811e4cce0b4f91d7c1228494e
sha1 b095d0c0e18d9b8a436577dbf412f3828ebd2e38
sha256 cef4aa11ecc31337e4304435119bd1504d5959163e0fa857b0dc48136e077dba
sha512 f09dffd70733cd61f138423ae055473f497ef56fc526c160b77be21893195ce285f4c9e211b9a4183ed5b7ee608de30a738c7b331dbfe35159cf9faef2da4d57
ripemd-160 79a4a5dce519ffe36950a917b6875c66935cc375

20197731 as geometric shapes

Circle

Radius = n
Diameter 40395462
Circumference 126906086.65757
Area 1.2816075002861E+15

Sphere

Radius = n
Volume 3.4514084717815E+22
Surface area 5.1264300011444E+15
Circumference 126906086.65757

Square

Length = n
Perimeter 80790924
Area 407948337548361
Diagonal 28563905.109363

Cube

Length = n
Surface area 2447690025290166
Volume 8.239630783699E+21
Space diagonal 34983496.289609

Equilateral Triangle

Length = n
Perimeter 60593193
Area 1.7664681187425E+14
Altitude 17491748.144804

Triangular Pyramid

Length = n
Surface area 1.7664681187425E+14
Volume 9.7104980027116E+20
Height 9521301.7031212