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

18157421 (number)

18157421 is an odd 8-digits prime number following 18157420 and preceding 18157422. In scientific notation, it is written as 1.8157421 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 18157420 positive integers (up to 18157421) that are relatively prime to 18157421.

Interesting facts

18157421 has 2 divisors, whose sum is 18157422
The reverse of 18157421 is 12475181
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	1.8157421 × 10^7
Engineering notation	1.8157421 × 10^6

Prime Factorization of 18157421

Prime Factorization 18157421

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	18157421	Product of the distinct prime numbers

The prime factorization of 18157421 is 18157421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 1, 21, 84, 139, 493, 9090, 1983, 51903, 41321, 244148, 514670, 4536167, 7312197, 42949416, 34479435, 276808511, 527645255, 4322909345, 1767305267

Basic calculations (n = 18157421)

Multiplication

n×y

n×2	36314842
n×3	54472263
n×4	72629684
n×5	90787105

Division

n÷y

n÷2	9078710.5
n÷3	6052473.6666667
n÷3	4539355.25
n÷5	3631484.2

Exponentiation

n^y

n²	329691937371241
n³	5.9863553071553E+21
n⁴	1.086967735676E+29
n⁵	1.9736530790086E+36

Nth Root

^y√n

²√n	4261.1525436201
³√n	262.83592246721
⁴√n	65.277504116044
⁵√n	28.30158983897

Divisors of 18157421

1, 18157421

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	18157422	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9078711	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4261.1526609592	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998898522	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18157421 can be divided by 2 positive divisors. The sum of these divisors (counting 18157421) is 18157422, the average is 9078711.

Base conversion 18157421

Base	System	Value
2	Binary	1000101010000111101101101
3	Ternary	1021011111022002
4	Quaternary	1011100331231
5	Quinary	14122014141
6	Senary	1445102045
8	Octal	105207555
10	Decimal	18157421
12	Duodecimal	60b7925
16	Hexadecimal	1150f6d
20	Vigesimal	5d9db1
36	Base36	at6ct

Cryptographic Hash Functions

md5	073ff477f5dbcf58074b530fda1d6837
sha1	ac88af995d41bb3b44eec8541476b4bf43ca8fd5
sha256	c5a2c8087efd8f0f0c2d7b2343a66baab6f6812962c98961c3111f51320fad59
sha512	d0d94cf194eabc8d4add58e94ed4dc516a68222acc0147e6cb17efa028199c25c147c1adc317e99b720e9ecf8de0c58fc6e2e828e44a983d2a4db4c8af27b11e
ripemd-160	d7e528f49a9856bfd24a3171e6b31078a2857103

18157421 as geometric shapes

Circle

Radius = n

Diameter	36314842
Circumference	114086440.84347
Area	1.0357577683933E+15

Sphere

Radius = n

Volume	2.5075586472983E+22
Surface area	4.1430310735731E+15
Circumference	114086440.84347

Square

Length = n

Perimeter	72629684
Area	329691937371241
Diagonal	25678471.035918

Cube

Length = n

Surface area	1978151624227446
Volume	5.9863553071553E+21
Space diagonal	31449575.706418

Equilateral Triangle

Length = n

Perimeter	54472263
Area	1.427607965932E+14
Altitude	15724787.853209

Triangular Pyramid

Length = n

Surface area	1.427607965932E+14
Volume	7.0549873871359E+20
Height	8559490.345306