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

20155921 (number)

20155921 is an odd 8-digits composite number following 20155920 and preceding 20155922. In scientific notation, it is written as 2.0155921 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19301760 positive integers (up to 20155921) that are relatively prime to 20155921.

Interesting facts

20155921 has 8 divisors, whose sum is 21023744
The reverse of 20155921 is 12955102
Previous prime number is 97

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0155921 × 10^7
Engineering notation	2.0155921 × 10^6

Prime Factorization of 20155921

Prime Factorization 31 × 97 × 6703

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20155921	Product of the distinct prime numbers

The prime factorization of 20155921 is 31 × 97 × 6703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 50, 15, 337, 859, 6296, 2669, 58011, 59363, 219428, 412297, 3728439, 2482686, 47121958, 20081120, 424481752, 589184346, 2157202459, 1581336390

Basic calculations (n = 20155921)

Multiplication

n×y

n×2	40311842
n×3	60467763
n×4	80623684
n×5	100779605

Division

n÷y

n÷2	10077960.5
n÷3	6718640.3333333
n÷3	5038980.25
n÷5	4031184.2

Exponentiation

n^y

n²	406261151358241
n³	8.1885676721457E+21
n⁴	1.6504812310292E+29
n⁵	3.3266969304608E+36

Nth Root

^y√n

²√n	4489.5346083976
³√n	272.14532765151
⁴√n	67.003989496131
⁵√n	28.898847917266

Divisors of 20155921

1, 31, 97, 3007, 6703, 207793, 650191, 20155921

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	-20155920	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 20155921 can be divided by 8 positive divisors. The sum of these divisors (counting 20155921) is 1, the average is 0.125.

Base conversion 20155921

Base	System	Value
2	Binary	1001100111000111000010001
3	Ternary	1101221000201121
4	Quaternary	1030320320101
5	Quinary	20124442141
6	Senary	2000002241
8	Octal	114707021
10	Decimal	20155921
12	Duodecimal	6900381
16	Hexadecimal	1338e11
20	Vigesimal	65j9g1
36	Base36	c00ep

Cryptographic Hash Functions

md5	a3475db7b9dc920f183581024ae58abd
sha1	52274848a3934a92fe5afa2e0c7b5592de78f890
sha256	de05a252c104174374ce53ab731a5e6018aa3f1ea53862d7db69975ebcb6bda2
sha512	f66b89ec409a6100843b4458a9f29d1fdddd6830cce5e19e38f43b26df689841c72ae488c5fc84da62d5d74803d3974211aad48cd55bcd424dbbdcc1143eb419
ripemd-160	361e277c3b3f6646e703967b0a0f0935e89bb768

20155921 as geometric shapes

Circle

Radius = n

Diameter	40311842
Circumference	126643386.67987
Area	1.276307048546E+15

Sphere

Radius = n

Volume	3.4300192056315E+22
Surface area	5.1052281941839E+15
Circumference	126643386.67987

Square

Length = n

Perimeter	80623684
Area	406261151358241
Diagonal	28504776.840321

Cube

Length = n

Surface area	2437566908149446
Volume	8.1885676721457E+21
Space diagonal	34911079.245344

Equilateral Triangle

Length = n

Perimeter	60467763
Area	1.7591623882348E+14
Altitude	17455539.622672

Triangular Pyramid

Length = n

Surface area	1.7591623882348E+14
Volume	9.650319548632E+20
Height	9501592.2801069