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

19990145 (number)

19990145 is an odd 8-digits composite number following 19990144 and preceding 19990146. In scientific notation, it is written as 1.9990145 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 13707504 positive integers (up to 19990145) that are relatively prime to 19990145.

Interesting facts

19990145 has 8 divisors, whose sum is 27415104
The reverse of 19990145 is 54109991
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	nineteen million nine hundred ninety thousand one hundred forty-five

Notation

Scientific notation	1.9990145 × 10^7
Engineering notation	1.9990145 × 10^6

Prime Factorization of 19990145

Prime Factorization 7 × 5 × 571147

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19990145	Product of the distinct prime numbers

The prime factorization of 19990145 is 7 × 5 × 571147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 77, 30, 562, 315, 29, 8249, 16538, 92351, 594755, 492038, 3426640, 1807633, 73507355, 37234779, 860282523, 65407496, 7249519953, 5927843662

Basic calculations (n = 19990145)

Multiplication

n×y

n×2	39980290
n×3	59970435
n×4	79960580
n×5	99950725

Division

n÷y

n÷2	9995072.5
n÷3	6663381.6666667
n÷3	4997536.25
n÷5	3998029

Exponentiation

n^y

n²	399605897121025
n³	7.9881798263044E+21
n⁴	1.596848730139E+29
n⁵	3.1921237658544E+36

Nth Root

^y√n

²√n	4471.0339967395
³√n	271.39717002516
⁴√n	66.865790930336
⁵√n	28.851153995998

Divisors of 19990145

1, 5, 7, 35, 571147, 2855735, 3998029, 19990145

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	-19990144	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 19990145 can be divided by 8 positive divisors. The sum of these divisors (counting 19990145) is 1, the average is 0.125.

Base conversion 19990145

Base	System	Value
2	Binary	1001100010000011010000001
3	Ternary	1101121121022202
4	Quaternary	1030100122001
5	Quinary	20104141040
6	Senary	1552242545
8	Octal	114203201
10	Decimal	19990145
12	Duodecimal	6840455
16	Hexadecimal	1310681
20	Vigesimal	64if75
36	Base36	bwght

Cryptographic Hash Functions

md5	1d05a7f2113293357f1b3dc8a01dc549
sha1	beeed9d2f7e83fc6f90d2851ed775eef21fffe45
sha256	a3a08ab1e780970e45aeb9f90b6686823491ae8b0066cd0f313179191f9985d5
sha512	527e7631f387ac522d6bcb76da0ccc0b36f96e1ec4c2702ea125fcee8d300382a864b9cfef8b2eb94fcc051d2af1ed122ec15be002849e239f2544ec9be5955a
ripemd-160	829ed594fb5ba0bda2e72e6da24f15989b0cb491

19990145 as geometric shapes

Circle

Radius = n

Diameter	39980290
Circumference	125601785.35239
Area	1.2553989507266E+15

Sphere

Radius = n

Volume	3.3460809410496E+22
Surface area	5.0215958029063E+15
Circumference	125601785.35239

Square

Length = n

Perimeter	79960580
Area	399605897121025
Diagonal	28270334.172805

Cube

Length = n

Surface area	2397635382726150
Volume	7.9881798263044E+21
Space diagonal	34623946.790669

Equilateral Triangle

Length = n

Perimeter	59970435
Area	1.7303442920444E+14
Altitude	17311973.395334

Triangular Pyramid

Length = n

Surface area	1.7303442920444E+14
Volume	9.414160207529E+20
Height	9423444.7242682