20731557 (number)

20731557 is an odd 8-digits composite number following 20731556 and preceding 20731558. In scientific notation, it is written as 2.0731557 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 10768800 positive integers (up to 20731557) that are relatively prime to 20731557.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731557 × 10^7
Engineering notation 2.0731557 × 10^6

Prime Factorization of 20731557

Prime Factorization 3 × 7 × 7 × 11 × 12821

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2961651
Product of the distinct prime numbers

The prime factorization of 20731557 is 3 × 7 × 7 × 11 × 12821. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 5, 82, 32, 587, 234, 2489, 9406, 88121, 77141, 672081, 566669, 7207648, 7974450, 66584696, 64254280, 160648751, 93108651, 5412975842, 7806227407

Basic calculations (n = 20731557)

Multiplication

n×y
n×2 41463114
n×3 62194671
n×4 82926228
n×5 103657785

Division

n÷y
n÷2 10365778.5
n÷3 6910519
n÷3 5182889.25
n÷5 4146311.4

Exponentiation

ny
n2 429797455644249
n3 8.9103704501437E+21
n4 1.8472585287827E+29
n5 3.8296545483195E+36

Nth Root

y√n
2√n 4553.1919572976
3√n 274.7117950312
4√n 67.477344029664
5√n 29.062059261183

Divisors of 20731557

1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12821, 38463, 89747, 141031, 269241, 423093, 628229, 987217, 1884687, 2961651, 6910519, 20731557

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731556
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731557 can be divided by 24 positive divisors. The sum of these divisors (counting 20731557) is 1, the average is 0.041666666666667.

Base conversion 20731557

Base System Value
2 Binary 1001111000101011010100101
3 Ternary 1110000021100110
4 Quaternary 1033011122211
5 Quinary 20301402212
6 Senary 2020203233
8 Octal 117053245
10 Decimal 20731557
12 Duodecimal 6b39519
16 Hexadecimal 13c56a5
20 Vigesimal 69b8hh
36 Base36 ccckl

Cryptographic Hash Functions

md5 2e8fe85e81a285bfd11c132354161e15
sha1 62c97c7c8e4df6465a62570277f43e7631561361
sha256 52e9d9959fe6147e5031b417ee8a5643ac92887deb330724dcb7c401954f4192
sha512 991b0238d76ba30d9d16db1e71dbdf3cce3c71d5b634b7c5645895ec7ff799bd89b9a52770b44b7a2ab68abf745672a89659ae0c9e3aada15fdc8739beb64cef
ripemd-160 6e7ca6405314cfd3e45e4287730cc149324a0d9c

20731557 as geometric shapes

Circle

Radius = n
Diameter 41463114
Circumference 130260214.33736
Area 1.3502485291836E+15

Sphere

Radius = n
Volume 3.732367246258E+22
Surface area 5.4009941167342E+15
Circumference 130260214.33736

Square

Length = n
Perimeter 82926228
Area 429797455644249
Diagonal 29318849.078511

Cube

Length = n
Surface area 2578784733865494
Volume 8.9103704501437E+21
Space diagonal 35908110.04401

Equilateral Triangle

Length = n
Perimeter 62194671
Area 1.8610775753492E+14
Altitude 17954055.022005

Triangular Pyramid

Length = n
Surface area 1.8610775753492E+14
Volume 1.0500972280301E+21
Height 9772949.692837