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

20115921 (number)

20115921 is an odd 8-digits composite number following 20115920 and preceding 20115922. In scientific notation, it is written as 2.0115921 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 11327232 positive integers (up to 20115921) that are relatively prime to 20115921.

Interesting facts

20115921 has 8 divisors, whose sum is 21199464
The reverse of 20115921 is 12951102
Previous prime number is 5537

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty million one hundred fifteen thousand nine hundred twenty-one

Notation

Scientific notation	2.0115921 × 10^7
Engineering notation	2.0115921 × 10^6

Prime Factorization of 20115921

Prime Factorization 21 × 5537 × 173

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20115921	Product of the distinct prime numbers

The prime factorization of 20115921 is 21 × 5537 × 173. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 79, 90, 681, 443, 3740, 4694, 77, 7407, 359024, 834733, 3686155, 3892255, 4139265, 84283988, 866405383, 661211201, 1640525589, 2860120337

Basic calculations (n = 20115921)

Multiplication

n×y

n×2	40231842
n×3	60347763
n×4	80463684
n×5	100579605

Division

n÷y

n÷2	10057960.5
n÷3	6705307
n÷3	5028980.25
n÷5	4023184.2

Exponentiation

n^y

n²	404650277678241
n³	8.1399130184036E+21
n⁴	1.6374184722508E+29
n⁵	3.2938180631737E+36

Nth Root

^y√n

²√n	4485.0775913021
³√n	271.96518170953
⁴√n	66.970721896229
⁵√n	28.887368683742

Divisors of 20115921

1, 21, 173, 3633, 5537, 116277, 957901, 20115921

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	-20115920	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 20115921 can be divided by 8 positive divisors. The sum of these divisors (counting 20115921) is 1, the average is 0.125.

Base conversion 20115921

Base	System	Value
2	Binary	1001100101111000111010001
3	Ternary	1101211222212010
4	Quaternary	1030233013101
5	Quinary	20122202141
6	Senary	1555053133
8	Octal	114570721
10	Decimal	20115921
12	Duodecimal	68a11a9
16	Hexadecimal	132f1d1
20	Vigesimal	65e9g1
36	Base36	bz5jl

Cryptographic Hash Functions

md5	50470d611a9c2d1313d52e614f3e22b5
sha1	e3ec7cfd40959e8a70677493c58903563f91af7d
sha256	d4fbde3d3319e9289f43fc7f1765a08d5d5cbd24aad27754110ae8a9a289e92f
sha512	25c981e53333e9f100d0b5aa7a5fdd9e16a3609aeaa9dbcde9a9c330df5bcaff16dccc64abd6aeb2baadc4dec29b715561cc8fec1048583123865cc0f78fcad5
ripemd-160	c6f03fb106bf401d5c311d7301ca40e01f168396

20115921 as geometric shapes

Circle

Radius = n

Diameter	40231842
Circumference	126392059.26759
Area	1.271246339627E+15

Sphere

Radius = n

Volume	3.4096387919302E+22
Surface area	5.0849853585081E+15
Circumference	126392059.26759

Square

Length = n

Perimeter	80463684
Area	404650277678241
Diagonal	28448208.297826

Cube

Length = n

Surface area	2427901666069446
Volume	8.1399130184036E+21
Space diagonal	34841797.213042

Equilateral Triangle

Length = n

Perimeter	60347763
Area	1.7521871005889E+14
Altitude	17420898.606521

Triangular Pyramid

Length = n

Surface area	1.7521871005889E+14
Volume	9.592979489303E+20
Height	9482736.0992753