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

1561921 (number)

1561921 is an odd 7-digits composite number following 1561920 and preceding 1561922. In scientific notation, it is written as 1.561921 × 10^6. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 1555200 positive integers (up to 1561921) that are relatively prime to 1561921.

Interesting facts

1561921 has 4 divisors, whose sum is 1568644
The reverse of 1561921 is 1291651
Previous prime number is 241

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7

Name

Name	one million five hundred sixty-one thousand nine hundred twenty-one

Notation

Scientific notation	1.561921 × 10^6
Engineering notation	1.561921 × 10^6

Prime Factorization of 1561921

Prime Factorization 241 × 6481

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1561921	Product of the distinct prime numbers

The prime factorization of 1561921 is 241 × 6481. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 74, 92, 999, 583, 3982, 2017, 81548, 15991, 886208, 208925, 7666213, 911060, 18717580, 16942474, 626462509, 585359662, 7087587229, 6799000633

Basic calculations (n = 1561921)

Multiplication

n×y

n×2	3123842
n×3	4685763
n×4	6247684
n×5	7809605

Division

n÷y

n÷2	780960.5
n÷3	520640.33333333
n÷3	390480.25
n÷5	312384.2

Exponentiation

n^y

n²	2439597210241
n³	3810458114216832961
n⁴	5.9516345482157E+24
n⁵	9.2959829851836E+30

Nth Root

^y√n

²√n	1249.7683785406
³√n	116.0253858432
⁴√n	35.35206328548
⁵√n	17.327336629713

Divisors of 1561921

1, 241, 6481, 1561921

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	-1561920	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 1561921 can be divided by 4 positive divisors. The sum of these divisors (counting 1561921) is 1, the average is 0.25.

Base conversion 1561921

Base	System	Value
2	Binary	101111101010101000001
3	Ternary	2221100112221
4	Quaternary	11331111001
5	Quinary	344440141
6	Senary	53251041
8	Octal	5752501
10	Decimal	1561921
12	Duodecimal	633a81
16	Hexadecimal	17d541
20	Vigesimal	9f4g1
36	Base36	xh6p

Cryptographic Hash Functions

md5	be19f6a1cc97aba23c01f1071d722da6
sha1	570da1798693f5daf831e275a982e31fabac29d6
sha256	221014265fc7823276af212e9131fe5dac9e4fd881c8ca3e91eb7a1a1737ec4f
sha512	0e6e0d8ebff2075d38af01c28035d3ab67b6f6f53b8d2d4cc247e123df00f023bb98d4026d3527fb870a7bc778ab408d77106864dc79450ce53598782613e2c5
ripemd-160	6caf47750c0cb62b011298a1e5c4905938686a35

1561921 as geometric shapes

Circle

Radius = n

Diameter	3123842
Circumference	9813839.0781752
Area	7664220673411.3

Sphere

Radius = n

Volume	1.596120962458E+19
Surface area	30656882693645
Circumference	9813839.0781752

Square

Length = n

Perimeter	6247684
Area	2439597210241
Diagonal	2208889.8615553

Cube

Length = n

Surface area	14637583261446
Volume	3810458114216832961
Space diagonal	2705326.5294088

Equilateral Triangle

Length = n

Perimeter	4685763
Area	1056376579535.2
Altitude	1352663.2647044

Triangular Pyramid

Length = n

Surface area	1056376579535.2
Volume	4.4906679533167E+17
Height	736296.62051845