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

19981907 (number)

19981907 is an odd 8-digits composite number following 19981906 and preceding 19981908. In scientific notation, it is written as 1.9981907 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 18071200 positive integers (up to 19981907) that are relatively prime to 19981907.

Interesting facts

19981907 has 8 divisors, whose sum is 21911472
The reverse of 19981907 is 70918991
Previous prime number is 197

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	nineteen million nine hundred eighty-one thousand nine hundred seven

Notation

Scientific notation	1.9981907 × 10^7
Engineering notation	1.9981907 × 10^6

Prime Factorization of 19981907

Prime Factorization 11 × 197 × 9221

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19981907	Product of the distinct prime numbers

The prime factorization of 19981907 is 11 × 197 × 9221. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 90, 29, 735, 943, 60, 7088, 45898, 52396, 341495, 952009, 8512885, 4357710, 69074480, 32655791, 635249913, 233116333, 2709499405, 2001115352

Basic calculations (n = 19981907)

Multiplication

n×y

n×2	39963814
n×3	59945721
n×4	79927628
n×5	99909535

Division

n÷y

n÷2	9990953.5
n÷3	6660635.6666667
n÷3	4995476.75
n÷5	3996381.4

Exponentiation

n^y

n²	399276607356649
n³	7.9783080354761E+21
n⁴	1.5942180918224E+29
n⁵	3.1855517648512E+36

Nth Root

^y√n

²√n	4470.1126384019
³√n	271.359883701
⁴√n	66.858900966153
⁵√n	28.848775674129

Divisors of 19981907

1, 11, 197, 2167, 9221, 101431, 1816537, 19981907

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	-19981906	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 19981907 can be divided by 8 positive divisors. The sum of these divisors (counting 19981907) is 1, the average is 0.125.

Base conversion 19981907

Base	System	Value
2	Binary	1001100001110011001010011
3	Ternary	1101121012000122
4	Quaternary	1030032121103
5	Quinary	20103410112
6	Senary	1552140455
8	Octal	114163123
10	Decimal	19981907
12	Duodecimal	683772b
16	Hexadecimal	130e653
20	Vigesimal	64hef7
36	Base36	bwa4z

Cryptographic Hash Functions

md5	1a139e595ff2b3a8e8c2a7d3917d6414
sha1	68cac08ef46f53613cd306a4b1285d2642aa3391
sha256	28e152302324f663bcdbf41b48d08f5a72bce83960cac12c409b13be292500db
sha512	1cacddeae8bb8cf1581ad8ab7612d788e0ade2614147497eba8a18d90d86028af86954d107d945e13c7a9bcbf9f5b1160e5e51b91475226b2fd2f07d0ad05ffc
ripemd-160	67206295add2c582954f932ac3a268e30443df0e

19981907 as geometric shapes

Circle

Radius = n

Diameter	39963814
Circumference	125550024.47183
Area	1.2543644564219E+15

Sphere

Radius = n

Volume	3.3419458549771E+22
Surface area	5.0174578256876E+15
Circumference	125550024.47183

Square

Length = n

Perimeter	79927628
Area	399276607356649
Diagonal	28258683.881478

Cube

Length = n

Surface area	2395659644139894
Volume	7.9783080354761E+21
Space diagonal	34609678.156116

Equilateral Triangle

Length = n

Perimeter	59945721
Area	1.7289184255386E+14
Altitude	17304839.078058

Triangular Pyramid

Length = n

Surface area	1.7289184255386E+14
Volume	9.4025261904671E+20
Height	9419561.293826