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

19998661 (number)

19998661 is an odd 8-digits composite number following 19998660 and preceding 19998662. In scientific notation, it is written as 1.9998661 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 18468912 positive integers (up to 19998661) that are relatively prime to 19998661.

Interesting facts

19998661 has 8 divisors, whose sum is 21588480
The reverse of 19998661 is 16689991
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	nineteen million nine hundred ninety-eight thousand six hundred sixty-one

Notation

Scientific notation	1.9998661 × 10^7
Engineering notation	1.9998661 × 10^6

Prime Factorization of 19998661

Prime Factorization 23 × 29 × 29983

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19998661	Product of the distinct prime numbers

The prime factorization of 19998661 is 23 × 29 × 29983. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 8, 74, 42, 948, 83, 3384, 533, 51866, 14785, 559170, 79882, 4634221, 48959, 62217255, 50860743, 151165853, 831622228, 1177841152, 5717762407

Basic calculations (n = 19998661)

Multiplication

n×y

n×2	39997322
n×3	59995983
n×4	79994644
n×5	99993305

Division

n÷y

n÷2	9999330.5
n÷3	6666220.3333333
n÷3	4999665.25
n÷5	3999732.2

Exponentiation

n^y

n²	399946441792921
n³	7.9983933075729E+21
n⁴	1.5995715630282E+29
n⁵	3.1989289434241E+36

Nth Root

^y√n

²√n	4471.9862477427
³√n	271.43570384898
⁴√n	66.872911165454
⁵√n	28.853611752762

Divisors of 19998661

1, 23, 29, 667, 29983, 689609, 869507, 19998661

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	-19998660	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 19998661 can be divided by 8 positive divisors. The sum of these divisors (counting 19998661) is 1, the average is 0.125.

Base conversion 19998661

Base	System	Value
2	Binary	1001100010010011111000101
3	Ternary	1101122001000011
4	Quaternary	1030102133011
5	Quinary	20104424121
6	Senary	1552350221
8	Octal	114223705
10	Decimal	19998661
12	Duodecimal	6845371
16	Hexadecimal	13127c5
20	Vigesimal	64jgd1
36	Base36	bwn2d

Cryptographic Hash Functions

md5	d827fa6c1420b2df38527e7163816dc4
sha1	216c99a1b2a0af7381944b9f779557b5498d63c3
sha256	117fdba33a3d8d4c661379deb12965b87998f9bda135c472c50c034479297f06
sha512	dc40cd6f206be99d5493473070f8e42a68fa6d4de7c529cecdfe808bf826523f67b74ce039699ffffb6996c925f67ab90dc2794a3e87c717f57fa4a68e157d63
ripemd-160	197bfef6ed58f0f316b581f53cc3cfd9a0b8ee09

19998661 as geometric shapes

Circle

Radius = n

Diameter	39997322
Circumference	125655292.95847
Area	1.256468803366E+15

Sphere

Radius = n

Volume	3.350359154079E+22
Surface area	5.0258752134641E+15
Circumference	125655292.95847

Square

Length = n

Perimeter	79994644
Area	399946441792921
Diagonal	28282377.615502

Cube

Length = n

Surface area	2399678650757526
Volume	7.9983933075729E+21
Space diagonal	34638696.935346

Equilateral Triangle

Length = n

Perimeter	59995983
Area	1.7318188937293E+14
Altitude	17319348.467673

Triangular Pyramid

Length = n

Surface area	1.7318188937293E+14
Volume	9.4261969106364E+20
Height	9427459.2051673