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

19902489 (number)

19902489 is an odd 8-digits composite number following 19902488 and preceding 19902490. In scientific notation, it is written as 1.9902489 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 13249536 positive integers (up to 19902489) that are relatively prime to 19902489.

Interesting facts

19902489 has 8 divisors, whose sum is 26574240
The reverse of 19902489 is 98420991
Previous prime number is 769

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	nineteen million nine hundred two thousand four hundred eighty-nine

Notation

Scientific notation	1.9902489 × 10^7
Engineering notation	1.9902489 × 10^6

Prime Factorization of 19902489

Prime Factorization 3 × 769 × 8627

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19902489	Product of the distinct prime numbers

The prime factorization of 19902489 is 3 × 769 × 8627. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 68, 9, 130, 573, 161, 530, 54771, 10593, 706743, 199807, 521440, 3891911, 6585239, 15026302, 758650396, 831790631, 7072520317, 8587843303

Basic calculations (n = 19902489)

Multiplication

n×y

n×2	39804978
n×3	59707467
n×4	79609956
n×5	99512445

Division

n÷y

n÷2	9951244.5
n÷3	6634163
n÷3	4975622.25
n÷5	3980497.8

Exponentiation

n^y

n²	396109068395121
n³	7.8835563765341E+21
n⁴	1.5690239406485E+29
n⁵	3.1227481719494E+36

Nth Root

^y√n

²√n	4461.2205728926
³√n	270.99990014657
⁴√n	66.792369121724
⁵√n	28.825807263931

Divisors of 19902489

1, 3, 769, 2307, 8627, 25881, 6634163, 19902489

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	-19902488	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 19902489 can be divided by 8 positive divisors. The sum of these divisors (counting 19902489) is 1, the average is 0.125.

Base conversion 19902489

Base	System	Value
2	Binary	1001011111011000000011001
3	Ternary	1101110011002020
4	Quaternary	1023323000121
5	Quinary	20043334424
6	Senary	1550325053
8	Octal	113730031
10	Decimal	19902489
12	Duodecimal	67b9789
16	Hexadecimal	12fb019
20	Vigesimal	647g49
36	Base36	bukux

Cryptographic Hash Functions

md5	816507f63f50bcbefabaa86e08223bcf
sha1	c556619288d09075a8d10de66e1677eec61a2813
sha256	f071e9285670bdffce0573587f3fd3a991be465eba105bc8a10dddb566f158f3
sha512	ec51fff9e9254fd9f1ad08eea5584dc8ffd7388dd7a40a146de0eaf67b318f1eeea09d720f0e3f299c934fc55f7d9f55178239bf689f1d985c3b22be00156b57
ripemd-160	52e516bdaa4ba2845c6fd3a7af9e68ca320e8eb7

19902489 as geometric shapes

Circle

Radius = n

Diameter	39804978
Circumference	125051026.4611
Area	1.2444133392904E+15

Sphere

Radius = n

Volume	3.3022563728908E+22
Surface area	4.9776533571616E+15
Circumference	125051026.4611

Square

Length = n

Perimeter	79609956
Area	396109068395121
Diagonal	28146369.868781

Cube

Length = n

Surface area	2376654410370726
Volume	7.8835563765341E+21
Space diagonal	34472122.145081

Equilateral Triangle

Length = n

Perimeter	59707467
Area	1.7152025794978E+14
Altitude	17236061.07254

Triangular Pyramid

Length = n

Surface area	1.7152025794978E+14
Volume	9.2908602895229E+20
Height	9382123.2895938