20162721 (number)

20162721 is an odd 8-digits composite number following 20162720 and preceding 20162722. In scientific notation, it is written as 2.0162721 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13430720 positive integers (up to 20162721) that are relatively prime to 20162721.

Interesting facts

Basic properties

Name

Name twenty million one hundred sixty-two thousand seven hundred twenty-one

Notation

Scientific notation 2.0162721 × 10^7
Engineering notation 2.0162721 × 10^6

Prime Factorization of 20162721

Prime Factorization 3 × 1787 × 3761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20162721
Product of the distinct prime numbers

The prime factorization of 20162721 is 3 × 1787 × 3761. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20162721)

Multiplication

n×y
n×2 40325442
n×3 60488163
n×4 80650884
n×5 100813605

Division

n÷y
n÷2 10081360.5
n÷3 6720907
n÷3 5040680.25
n÷5 4032544.2

Exponentiation

ny
n2 406535318123841
n3 8.1968581959772E+21
n4 1.6527096488205E+29
n5 3.3323123543176E+36

Nth Root

y√n
2√n 4490.2918613382
3√n 272.17592875306
4√n 67.009640062742
5√n 28.900797574166

Divisors of 20162721

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 -20162720
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 20162721 can be divided by 8 positive divisors. The sum of these divisors (counting 20162721) is 1, the average is 0.125.

Base conversion 20162721

Base System Value
2 Binary 1001100111010100010100001
3 Ternary 1101221101001110
4 Quaternary 1030322202201
5 Quinary 20130201341
6 Senary 2000053533
8 Octal 114724241
10 Decimal 20162721
12 Duodecimal 69042a9
16 Hexadecimal 133a8a1
20 Vigesimal 6606g1
36 Base36 c05nl

Cryptographic Hash Functions

md5 e619e39030019e0f99b200de86c0ac42
sha1 fe91f4f092105ae5ca95db0aa0a4686c091da7e9
sha256 1f10585d1b73dbd40761d9e9b34a4b1f1139bb31fe932054217e322baecdb1bc
sha512 2bc94d2db781c36c38ecd773cc34a2be09cf56cdc182c4153c93f67c0ea7967f949bbbf8393d9c8273526751578ed4fce0d410a5d5809642bac8842c71844b50
ripemd-160 74ef4b13f9b81bae1b1b3fea586e7db25debb193

20162721 as geometric shapes

Circle

Radius = n
Diameter 40325442
Circumference 126686112.33996
Area 1.2771683688426E+15

Sphere

Radius = n
Volume 3.4334919321333E+22
Surface area 5.1086734753706E+15
Circumference 126686112.33996

Square

Length = n
Perimeter 80650884
Area 406535318123841
Diagonal 28514393.492545

Cube

Length = n
Surface area 2439211908743046
Volume 8.1968581959772E+21
Space diagonal 34922857.190836

Equilateral Triangle

Length = n
Perimeter 60488163
Area 1.7603495651542E+14
Altitude 17461428.595418

Triangular Pyramid

Length = n
Surface area 1.7603495651542E+14
Volume 9.6600900246667E+20
Height 9504797.8308483