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

1981421 (number)

1981421 is an odd 7-digits composite number following 1981420 and preceding 1981422. In scientific notation, it is written as 1.981421 × 10^6. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 1828992 positive integers (up to 1981421) that are relatively prime to 1981421.

Interesting facts

1981421 has 4 divisors, whose sum is 2133852
The reverse of 1981421 is 1241891
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 26
Digital Root 8

Name

Name	one million nine hundred eighty-one thousand four hundred twenty-one

Notation

Scientific notation	1.981421 × 10^6
Engineering notation	1.981421 × 10^6

Prime Factorization of 1981421

Prime Factorization 13 × 152417

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1981421	Product of the distinct prime numbers

The prime factorization of 1981421 is 13 × 152417. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 47, 17, 994, 76, 5344, 153, 62804, 96692, 225526, 184329, 4170313, 6496977, 57258372, 59926997, 141023497, 488943063, 2997520731, 1367261772

Basic calculations (n = 1981421)

Multiplication

n×y

n×2	3962842
n×3	5944263
n×4	7925684
n×5	9907105

Division

n÷y

n÷2	990710.5
n÷3	660473.66666667
n÷3	495355.25
n÷5	396284.2

Exponentiation

n^y

n²	3926029179241
n³	7779116662360881461
n⁴	1.5413705116252E+25
n⁵	3.0541039005149E+31

Nth Root

^y√n

²√n	1407.6295677486
³√n	125.60075611131
⁴√n	37.518389727553
⁵√n	18.171691378625

Divisors of 1981421

1, 13, 152417, 1981421

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	-1981420	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 1981421 can be divided by 4 positive divisors. The sum of these divisors (counting 1981421) is 1, the average is 0.25.

Base conversion 1981421

Base	System	Value
2	Binary	111100011101111101101
3	Ternary	10201122222222
4	Quaternary	13203233231
5	Quinary	1001401141
6	Senary	110245125
8	Octal	7435755
10	Decimal	1981421
12	Duodecimal	7b67a5
16	Hexadecimal	1e3bed
20	Vigesimal	c7db1
36	Base36	16gvh

Cryptographic Hash Functions

md5	9539fbfb6b72033e0cb77de599794f73
sha1	754195f8f24c2c09e335ea84bce5589450a9e429
sha256	d5051c48733239649b8b730150cae34c66113b09f31f16fb9dc2b3ff05750893
sha512	5c3ffd66ca5b0cfb6d63a051bf90eb29ccd309f03d5b36090534e08d2ad0aa75e95878986ee09b8e9f611872d7bcdf336ff3d221fdad80fd6261f136055e9cd9
ripemd-160	4e8693aaa8b3ea5e5a80b5e74609b47a43d9c893

1981421 as geometric shapes

Circle

Radius = n

Diameter	3962842
Circumference	12449635.314537
Area	12333984427283

Sphere

Radius = n

Volume	3.2585087677188E+19
Surface area	49335937709131
Circumference	12449635.314537

Square

Length = n

Perimeter	7925684
Area	3926029179241
Diagonal	2802152.4509709

Cube

Length = n

Surface area	23556175075446
Volume	7779116662360881461
Space diagonal	3431921.8431839

Equilateral Triangle

Length = n

Perimeter	5944263
Area	1700020502610.8
Altitude	1715960.921592

Triangular Pyramid

Length = n

Surface area	1700020502610.8
Volume	9.1677769059944E+17
Height	934050.81699029