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

20161491 (number)

20161491 is an odd 8-digits composite number following 20161490 and preceding 20161492. In scientific notation, it is written as 2.0161491 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 11520768 positive integers (up to 20161491) that are relatively prime to 20161491.

Interesting facts

20161491 has 8 divisors, whose sum is 24139104
The reverse of 20161491 is 19416102
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty million one hundred sixty-one thousand four hundred ninety-one

Notation

Scientific notation	2.0161491 × 10^7
Engineering notation	2.0161491 × 10^6

Prime Factorization of 20161491

Prime Factorization 21 × 7 × 137153

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20161491	Product of the distinct prime numbers

The prime factorization of 20161491 is 21 × 7 × 137153. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 33, 71, 934, 710, 3444, 7318, 48475, 26247, 570828, 73578, 869389, 6168214, 32881313, 48498763, 302945442, 296469899, 35653424, 1340079050

Basic calculations (n = 20161491)

Multiplication

n×y

n×2	40322982
n×3	60484473
n×4	80645964
n×5	100807455

Division

n÷y

n÷2	10080745.5
n÷3	6720497
n÷3	5040372.75
n÷5	4032298.2

Exponentiation

n^y

n²	406485719343081
n³	8.1953581721641E+21
n⁴	1.6523064002986E+29
n⁵	3.3312960618863E+36

Nth Root

^y√n

²√n	4490.1548971054
³√n	272.17039406357
⁴√n	67.008618080852
⁵√n	28.900444954611

Divisors of 20161491

1, 7, 21, 147, 137153, 960071, 2880213, 20161491

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	-20161490	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 20161491 can be divided by 8 positive divisors. The sum of these divisors (counting 20161491) is 1, the average is 0.125.

Base conversion 20161491

Base	System	Value
2	Binary	1001100111010001111010011
3	Ternary	1101221022100220
4	Quaternary	1030322033103
5	Quinary	20130131431
6	Senary	2000044123
8	Octal	114721723
10	Decimal	20161491
12	Duodecimal	6903643
16	Hexadecimal	133a3d3
20	Vigesimal	6603eb
36	Base36	c04pf

Cryptographic Hash Functions

md5	0e70c0f446f0e84aa469ed2684f9f89d
sha1	cd9bb6d7fe6690a9fc4795e65033f5001674ceb8
sha256	9640728a4972f048e11e2cdd47f7391d8ff7f542fb76050314e1767b5fe13624
sha512	2c5d1a759f7d4ff2f40014b173f7ed792655ad80edc081a0440fe06a39d5471181a99de2a5e50c9d725df761e5772510d7dc7bfa0dfd78cca4512aa0cbe0ebc8
ripemd-160	5ebe5adab4bf8f76827f7c1334fecb7c8921099d

20161491 as geometric shapes

Circle

Radius = n

Diameter	40322982
Circumference	126678384.02203
Area	1.2770125496774E+15

Sphere

Radius = n

Volume	3.4328636036277E+22
Surface area	5.1080501987095E+15
Circumference	126678384.02203

Square

Length = n

Perimeter	80645964
Area	406485719343081
Diagonal	28512654.009863

Cube

Length = n

Surface area	2438914316058486
Volume	8.1953581721641E+21
Space diagonal	34920726.768343

Equilateral Triangle

Length = n

Perimeter	60484473
Area	1.7601347961335E+14
Altitude	17460363.384171

Triangular Pyramid

Length = n

Surface area	1.7601347961335E+14
Volume	9.6583222296497E+20
Height	9504218.0032877