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

18157021 (number)

18157021 is an odd 8-digits composite number following 18157020 and preceding 18157022. In scientific notation, it is written as 1.8157021 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 18024352 positive integers (up to 18157021) that are relatively prime to 18157021.

Interesting facts

18157021 has 4 divisors, whose sum is 18289692
The reverse of 18157021 is 12075181
Previous prime number is 137

Basic properties

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

Name

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

Notation

Scientific notation	1.8157021 × 10^7
Engineering notation	1.8157021 × 10^6

Prime Factorization of 18157021

Prime Factorization 137 × 132533

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18157021	Product of the distinct prime numbers

The prime factorization of 18157021 is 137 × 132533. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 3, 6, 44, 675, 889, 5668, 6028, 4009, 56832, 985543, 964946, 2013056, 1010993, 63909500, 19632491, 479797595, 532011603, 2761285011, 438498043

Basic calculations (n = 18157021)

Multiplication

n×y

n×2	36314042
n×3	54471063
n×4	72628084
n×5	90785105

Division

n÷y

n÷2	9078510.5
n÷3	6052340.3333333
n÷3	4539255.25
n÷5	3631404.2

Exponentiation

n^y

n²	329677411594441
n³	5.9859596855459E+21
n⁴	1.0868719571561E+29
n⁵	1.9734356950394E+36

Nth Root

^y√n

²√n	4261.1056077032
³√n	262.83399239977
⁴√n	65.277144604396
⁵√n	28.301465143556

Divisors of 18157021

1, 137, 132533, 18157021

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18157020	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18157021 can be divided by 4 positive divisors. The sum of these divisors (counting 18157021) is 1, the average is 0.25.

Base conversion 18157021

Base	System	Value
2	Binary	1000101010000110111011101
3	Ternary	1021011110202021
4	Quaternary	1011100313131
5	Quinary	14122011041
6	Senary	1445100141
8	Octal	105206735
10	Decimal	18157021
12	Duodecimal	60b7651
16	Hexadecimal	1150ddd
20	Vigesimal	5d9cb1
36	Base36	at61p

Cryptographic Hash Functions

md5	9d293553ed3af014ad900068485e1c31
sha1	7e9814d57d51e204e92fc90beb6d3cbedfdb2166
sha256	6918c66bee1e4e5a17aade9abe1af9c8167d16f4d466a880cb19bfc01f0ea7a1
sha512	7b647529fb260ee9158ba0ade46da81412c33b92b2e403597b8f952d216f374943c4a0553677575bd6eab271a8cff416a796f82c687d9be00d8f12925f033646
ripemd-160	9efe788dc8181e2cf8633122a1aa8ebf6cd82fa8

18157021 as geometric shapes

Circle

Radius = n

Diameter	36314042
Circumference	114083927.56935
Area	1.0357121343196E+15

Sphere

Radius = n

Volume	2.5073929297061E+22
Surface area	4.1428485372784E+15
Circumference	114083927.56935

Square

Length = n

Perimeter	72628084
Area	329677411594441
Diagonal	25677905.350493

Cube

Length = n

Surface area	1978064469566646
Volume	5.9859596855459E+21
Space diagonal	31448882.886095

Equilateral Triangle

Length = n

Perimeter	54471063
Area	1.4275450674734E+14
Altitude	15724441.443048

Triangular Pyramid

Length = n

Surface area	1.4275450674734E+14
Volume	7.054521142598E+20
Height	8559301.7834977