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

1999981 (number)

1999981 is an odd 7-digits composite number following 1999980 and preceding 1999982. In scientific notation, it is written as 1.999981 × 10^6. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 1972512 positive integers (up to 1999981) that are relatively prime to 1999981.

Interesting facts

1999981 has 4 divisors, whose sum is 2027452
The reverse of 1999981 is 1899991
Previous prime number is 73

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 46
Digital Root 1

Name

Name	one million nine hundred ninety-nine thousand nine hundred eighty-one

Notation

Scientific notation	1.999981 × 10^6
Engineering notation	1.999981 × 10^6

Prime Factorization of 1999981

Prime Factorization 73 × 27397

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1999981	Product of the distinct prime numbers

The prime factorization of 1999981 is 73 × 27397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 6, 87, 75, 972, 721, 8261, 7511, 239, 62631, 407837, 548899, 8873516, 5260602, 33291785, 98407174, 233138644, 730170696, 9937441665, 671687125

Basic calculations (n = 1999981)

Multiplication

n×y

n×2	3999962
n×3	5999943
n×4	7999924
n×5	9999905

Division

n÷y

n÷2	999990.5
n÷3	666660.33333333
n÷3	499995.25
n÷5	399996.2

Exponentiation

n^y

n²	3999924000361
n³	7999772002165993141
n⁴	1.5999392008664E+25
n⁵	3.199848002888E+31

Nth Root

^y√n

²√n	1414.2068448427
³√n	125.99170601322
⁴√n	37.605941616222
⁵√n	18.20560743941

Divisors of 1999981

1, 73, 27397, 1999981

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-1999980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1999981 can be divided by 4 positive divisors. The sum of these divisors (counting 1999981) is 1, the average is 0.25.

Base conversion 1999981

Base	System	Value
2	Binary	111101000010001101101
3	Ternary	10202121110101
4	Quaternary	13220101231
5	Quinary	1002444411
6	Senary	110511101
8	Octal	7502155
10	Decimal	1999981
12	Duodecimal	805491
16	Hexadecimal	1e846d
20	Vigesimal	c9jj1
36	Base36	16v71

Cryptographic Hash Functions

md5	5b8df404efa8c6cb46eff768e9bb8709
sha1	a8302dae82bd81f9b5714d1ca8c0edf2d319ac30
sha256	5db10ea9ebcf99c48febb7ff460c92bc085a864955b3784a974b03964bad4567
sha512	a5a4762d81d37db1b3a1a47c6fdfc2d793221a9c407ba87727ab02c340a6f813c5b73ef06ebd8d9bfb8ab55d670b6b7c922420d393baf84182e3d87a1268206e
ripemd-160	9432a88c2188c60b176ded99cfdc99aa91ebee28

1999981 as geometric shapes

Circle

Radius = n

Diameter	3999962
Circumference	12566251.233838
Area	12566131854452

Sphere

Radius = n

Volume	3.3509366603197E+19
Surface area	50264527417806
Circumference	12566251.233838

Square

Length = n

Perimeter	7999924
Area	3999924000361
Diagonal	2828400.2546885

Cube

Length = n

Surface area	23999544002166
Volume	7999772002165993141
Space diagonal	3464068.7061724

Equilateral Triangle

Length = n

Perimeter	5999943
Area	1732017898759.9
Altitude	1732034.3530862

Triangular Pyramid

Length = n

Surface area	1732017898759.9
Volume	9.4278217177964E+17
Height	942800.08489617