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

20921155 (number)

20921155 is an odd 8-digits composite number following 20921154 and preceding 20921156. In scientific notation, it is written as 2.0921155 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16697856 positive integers (up to 20921155) that are relatively prime to 20921155.

Interesting facts

20921155 has 8 divisors, whose sum is 25164000
The reverse of 20921155 is 55112902
Previous prime number is 449

Basic properties

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

Name

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

Notation

Scientific notation	2.0921155 × 10^7
Engineering notation	2.0921155 × 10^6

Prime Factorization of 20921155

Prime Factorization 5 × 449 × 9319

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20921155	Product of the distinct prime numbers

The prime factorization of 20921155 is 5 × 449 × 9319. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 42, 82, 180, 198, 3695, 9702, 98961, 89406, 749822, 195492, 9705966, 5930059, 44503358, 99048388, 294099448, 150185962, 9879976642, 8333962802

Basic calculations (n = 20921155)

Multiplication

n×y

n×2	41842310
n×3	62763465
n×4	83684620
n×5	104605775

Division

n÷y

n÷2	10460577.5
n÷3	6973718.3333333
n÷3	5230288.75
n÷5	4184231

Exponentiation

n^y

n²	437694726534025
n³	9.157079216501E+21
n⁴	1.9157667363569E+29
n⁵	4.0080052835168E+36

Nth Root

^y√n

²√n	4573.9649102283
³√n	275.54670306161
⁴√n	67.631094255737
⁵√n	29.115022590434

Divisors of 20921155

1, 5, 449, 2245, 9319, 46595, 4184231, 20921155

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	-20921154	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 20921155 can be divided by 8 positive divisors. The sum of these divisors (counting 20921155) is 1, the average is 0.125.

Base conversion 20921155

Base	System	Value
2	Binary	1001111110011101101000011
3	Ternary	1110100220102121
4	Quaternary	1033303231003
5	Quinary	20323434110
6	Senary	2024225111
8	Octal	117635503
10	Decimal	20921155
12	Duodecimal	700b197
16	Hexadecimal	13f3b43
20	Vigesimal	6af2hf
36	Base36	cgev7

Cryptographic Hash Functions

md5	97570749640299857858fc9630774cc9
sha1	50676f761205391239e93ec0462afcc82483a553
sha256	c786927d909673680c2e8e7d77e11d541736420f87d6d4fc6fb8398b5f00eefc
sha512	fb943933f559592baa03ecc8692113e4c8dd81f6b1bc9e93aa41e3fbeed4292ca3ae1df13a257f71a4539db36a5b3b9dc4265e8abfe290eada1e3f0d517185c0
ripemd-160	9b085bb1a1b8d6094315f33de50d80ceb40cbc25

20921155 as geometric shapes

Circle

Radius = n

Diameter	41842310
Circumference	131451493.70523
Area	1.3750585373943E+15

Sphere

Radius = n

Volume	3.8357083726532E+22
Surface area	5.5002341495771E+15
Circumference	131451493.70523

Square

Length = n

Perimeter	83684620
Area	437694726534025
Diagonal	29586981.14151

Cube

Length = n

Surface area	2626168359204150
Volume	9.157079216501E+21
Space diagonal	36236503.413024

Equilateral Triangle

Length = n

Perimeter	62763465
Area	1.8952737614047E+14
Altitude	18118251.706512

Triangular Pyramid

Length = n

Surface area	1.8952737614047E+14
Volume	1.079172134975E+21
Height	9862327.0471699