Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20155621 (number)

20155621 is an odd 8-digits composite number following 20155620 and preceding 20155622. In scientific notation, it is written as 2.0155621 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 19726732 positive integers (up to 20155621) that are relatively prime to 20155621.

Interesting facts

20155621 has 4 divisors, whose sum is 20584512
The reverse of 20155621 is 12655102
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million one hundred fifty-five thousand six hundred twenty-one

Notation

Scientific notation	2.0155621 × 10^7
Engineering notation	2.0155621 × 10^6

Prime Factorization of 20155621

Prime Factorization 47 × 428843

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20155621	Product of the distinct prime numbers

The prime factorization of 20155621 is 47 × 428843. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 2, 20, 22, 670, 628, 1181, 621, 43003, 37709, 4804, 947015, 2394090, 1004724, 90297332, 15626376, 959773269, 391524062, 663913834, 9988775170

Basic calculations (n = 20155621)

Multiplication

n×y

n×2	40311242
n×3	60466863
n×4	80622484
n×5	100778105

Division

n÷y

n÷2	10077810.5
n÷3	6718540.3333333
n÷3	5038905.25
n÷5	4031124.2

Exponentiation

n^y

n²	406249057895641
n³	8.1882020425516E+21
n⁴	1.650382970411E+29
n⁵	3.3264493656457E+36

Nth Root

^y√n

²√n	4489.5011972378
³√n	272.1439774444
⁴√n	67.0037401735
⁵√n	28.898761890872

Divisors of 20155621

1, 47, 428843, 20155621

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	-20155620	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 20155621 can be divided by 4 positive divisors. The sum of these divisors (counting 20155621) is 1, the average is 0.25.

Base conversion 20155621

Base	System	Value
2	Binary	1001100111000110011100101
3	Ternary	1101221000022111
4	Quaternary	1030320303211
5	Quinary	20124434441
6	Senary	2000001021
8	Octal	114706345
10	Decimal	20155621
12	Duodecimal	6900171
16	Hexadecimal	1338ce5
20	Vigesimal	65j911
36	Base36	c006d

Cryptographic Hash Functions

md5	1e782d631aba1c102b5837fe09bc970e
sha1	48d8be05005507b3c0f86178ceb7e2c92b3da5a6
sha256	77c048e45922e5982fd8bbb5faff7f7792662664d5a2b74899eb3cb9d063b3fe
sha512	4d61a98e73353c276e66810d3e4cfa553e0df8d0eb0dace5dd706e0fcaf615b53a892593aed059d777566f87a4234c671f7233e9c1e3c0739aaf1621785a26bb
ripemd-160	ce95bc10e1e0b75eac3d883f4b92a558e1436ce4

20155621 as geometric shapes

Circle

Radius = n

Diameter	40311242
Circumference	126641501.72428
Area	1.2762690558127E+15

Sphere

Radius = n

Volume	3.4298660510652E+22
Surface area	5.1050762232509E+15
Circumference	126641501.72428

Square

Length = n

Perimeter	80622484
Area	406249057895641
Diagonal	28504352.576252

Cube

Length = n

Surface area	2437494347373846
Volume	8.1882020425516E+21
Space diagonal	34910559.630102

Equilateral Triangle

Length = n

Perimeter	60466863
Area	1.7591100220056E+14
Altitude	17455279.815051

Triangular Pyramid

Length = n

Surface area	1.7591100220056E+14
Volume	9.649888650023E+20
Height	9501450.8587507