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

18973921 (number)

18973921 is an odd 8-digits composite number following 18973920 and preceding 18973922. In scientific notation, it is written as 1.8973921 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 17741568 positive integers (up to 18973921) that are relatively prime to 18973921.

Interesting facts

18973921 has 8 divisors, whose sum is 20220840
The reverse of 18973921 is 12937981
Previous prime number is 157

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	eighteen million nine hundred seventy-three thousand nine hundred twenty-one

Notation

Scientific notation	1.8973921 × 10^7
Engineering notation	1.8973921 × 10^6

Prime Factorization of 18973921

Prime Factorization 17 × 157 × 7109

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18973921	Product of the distinct prime numbers

The prime factorization of 18973921 is 17 × 157 × 7109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 29, 78, 633, 176, 6647, 3388, 99337, 36705, 905887, 389698, 8782026, 829850, 80288243, 31784093, 50628151, 598424650, 5934778681, 8383763361

Basic calculations (n = 18973921)

Multiplication

n×y

n×2	37947842
n×3	56921763
n×4	75895684
n×5	94869605

Division

n÷y

n÷2	9486960.5
n÷3	6324640.3333333
n÷3	4743480.25
n÷5	3794784.2

Exponentiation

n^y

n²	360009678114241
n³	6.830795191775E+21
n⁴	1.2960696833592E+29
n⁵	2.4591523782552E+36

Nth Root

^y√n

²√n	4355.9064498678
³√n	266.71802257428
⁴√n	65.999291283072
⁵√n	28.55166357031

Divisors of 18973921

1, 17, 157, 2669, 7109, 120853, 1116113, 18973921

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	-18973920	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 18973921 can be divided by 8 positive divisors. The sum of these divisors (counting 18973921) is 1, the average is 0.125.

Base conversion 18973921

Base	System	Value
2	Binary	1001000011000010011100001
3	Ternary	1022200222022211
4	Quaternary	1020120103201
5	Quinary	14324131141
6	Senary	1514402121
8	Octal	110302341
10	Decimal	18973921
12	Duodecimal	6430341
16	Hexadecimal	12184e1
20	Vigesimal	5ibeg1
36	Base36	baodd

Cryptographic Hash Functions

md5	3f9e0dd028f3ee7cd3f4979c9b84d53e
sha1	cde2b6f5b71070d8bd0a47bd8ecbf7686c45a173
sha256	0de88e78a3459ff38c5d06f87d2c1e79dbc17784ddd6ecef05cc13d7950288d3
sha512	6f054b1221affa8f65d4b3c4c5fa4b1839b586986457d5b58797786dc917c5123b68525a96f2dcb42199f44149a298fd035980a42fbc6bcc07a4d8dea8fd4f69
ripemd-160	2567204f83d608ee04766393d1e2875bda27f765

18973921 as geometric shapes

Circle

Radius = n

Diameter	37947842
Circumference	119216661.64679
Area	1.1310037599849E+15

Sphere

Radius = n

Volume	2.8612767990209E+22
Surface area	4.5240150399397E+15
Circumference	119216661.64679

Square

Length = n

Perimeter	75895684
Area	360009678114241
Diagonal	26833176.409596

Cube

Length = n

Surface area	2160058068685446
Volume	6.830795191775E+21
Space diagonal	32863795.190798

Equilateral Triangle

Length = n

Perimeter	56921763
Area	1.558887634276E+14
Altitude	16431897.595399

Triangular Pyramid

Length = n

Surface area	1.558887634276E+14
Volume	8.050169335001E+20
Height	8944392.1365319