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

20157421 (number)

20157421 is an odd 8-digits prime number following 20157420 and preceding 20157422. In scientific notation, it is written as 2.0157421 × 10^7. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 20157420 positive integers (up to 20157421) that are relatively prime to 20157421.

Interesting facts

20157421 has 2 divisors, whose sum is 20157422
The reverse of 20157421 is 12475102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million one hundred fifty-seven thousand four hundred twenty-one

Notation

Scientific notation	2.0157421 × 10^7
Engineering notation	2.0157421 × 10^6

Prime Factorization of 20157421

Prime Factorization 20157421

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20157421	Product of the distinct prime numbers

The prime factorization of 20157421 is 20157421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 9, 97, 79, 474, 353, 5518, 9175, 90729, 37544, 141088, 628976, 4999337, 4689244, 96936009, 78640887, 758684323, 179238538, 9426889174, 7468755593

Basic calculations (n = 20157421)

Multiplication

n×y

n×2	40314842
n×3	60472263
n×4	80629684
n×5	100787105

Division

n÷y

n÷2	10078710.5
n÷3	6719140.3333333
n÷3	5039355.25
n÷5	4031484.2

Exponentiation

n^y

n²	406321621371241
n³	8.1903959833827E+21
n⁴	1.6509725999375E+29
n⁵	3.3279349756406E+36

Nth Root

^y√n

²√n	4489.701660467
³√n	272.15207848609
⁴√n	67.005236067542
⁵√n	28.89927803387

Divisors of 20157421

1, 20157421

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20157422	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10078711	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4489.701771833	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999900781	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20157421 can be divided by 2 positive divisors. The sum of these divisors (counting 20157421) is 20157422, the average is 10078711.

Base conversion 20157421

Base	System	Value
2	Binary	1001100111001001111101101
3	Ternary	1101221002210011
4	Quaternary	1030321033231
5	Quinary	20130014141
6	Senary	2000013221
8	Octal	114711755
10	Decimal	20157421
12	Duodecimal	6901211
16	Hexadecimal	13393ed
20	Vigesimal	65jdb1
36	Base36	c01kd

Cryptographic Hash Functions

md5	bc09b1f9e86983047c15c527bd7ad45b
sha1	6195240e645acf3396f0f6704a6db9772fa3493c
sha256	43ee4e1a020d8eacb681761eacb1d92ef25e9abe90c52eea880055c8699f9e8e
sha512	3288586d855bf1f4592e214665eceee0f41600f1719a2dfb52e705964aded1d1b229a6ddc162c37b9df324eab56cf088d820436671189fab2978409a5abf1764
ripemd-160	3bc68103b041feef96817fa4175133a73f2579d3

20157421 as geometric shapes

Circle

Radius = n

Diameter	40314842
Circumference	126652811.45783
Area	1.2764970206946E+15

Sphere

Radius = n

Volume	3.4307850468515E+22
Surface area	5.1059880827783E+15
Circumference	126652811.45783

Square

Length = n

Perimeter	80629684
Area	406321621371241
Diagonal	28506898.160664

Cube

Length = n

Surface area	2437929728227446
Volume	8.1903959833827E+21
Space diagonal	34913677.321556

Equilateral Triangle

Length = n

Perimeter	60472263
Area	1.7594242310719E+14
Altitude	17456838.660778

Triangular Pyramid

Length = n

Surface area	1.7594242310719E+14
Volume	9.6524742340883E+20
Height	9502299.3868881