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

681921 (number)

681921 is an odd 6-digits composite number following 681920 and preceding 681922. In scientific notation, it is written as 6.81921 × 10^5. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 427776 positive integers (up to 681921) that are relatively prime to 681921.

Interesting facts

681921 has 8 divisors, whose sum is 802440
The reverse of 681921 is 129186
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 27
Digital Root 9

Name

Name	six hundred eighty-one thousand nine hundred twenty-one

Notation

Scientific notation	6.81921 × 10^5
Engineering notation	6.81921 × 10^3

Prime Factorization of 681921

Prime Factorization 9 × 17 × 4457

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	681921	Product of the distinct prime numbers

The prime factorization of 681921 is 9 × 17 × 4457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 23, 53, 409, 645, 191, 9543, 20659, 90695, 61273, 703266, 4434579, 4723815, 87101853, 1716306, 456955898, 228831534, 9142958148, 2579781305

Basic calculations (n = 681921)

Multiplication

n×y

n×2	1363842
n×3	2045763
n×4	2727684
n×5	3409605

Division

n÷y

n÷2	340960.5
n÷3	227307
n÷3	170480.25
n÷5	136384.2

Exponentiation

n^y

n²	465016250241
n³	317104346380592961
n⁴	2.162401129882E+23
n⁵	1.4745867408903E+29

Nth Root

^y√n

²√n	825.78508099868
³√n	88.019322547586
⁴√n	28.736476488927
⁵√n	14.680701657371

Divisors of 681921

1, 9, 17, 153, 4457, 40113, 75769, 681921

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	-681920	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 681921 can be divided by 8 positive divisors. The sum of these divisors (counting 681921) is 1, the average is 0.125.

Base conversion 681921

Base	System	Value
2	Binary	10100110011111000001
3	Ternary	1021122102100
4	Quaternary	2212133001
5	Quinary	133310141
6	Senary	22341013
8	Octal	2463701
10	Decimal	681921
12	Duodecimal	28a769
16	Hexadecimal	a67c1
20	Vigesimal	454g1
36	Base36	em69

Cryptographic Hash Functions

md5	8ed856e265724d6e9056060dbbffa5de
sha1	2f1652eefeb2bd15eb58c03a621e121f221395b1
sha256	ececc6ee29627d3b67ff029e336d72f170df0ad5da164c619eb230551d2ecb72
sha512	03d55295ebfda9b1ef475d3815ca2b6bd0270eac45c629db6fd9bd5f5572c453d49a2559580f34b97a51a730f7f63f015735e7f4393bfe249f1d52d6be3ab25f
ripemd-160	a613711e0465c2c7c559b63e4d9d493263daf8bc

681921 as geometric shapes

Circle

Radius = n

Diameter	1363842
Circumference	4284636.0078572
Area	1460891635557

Sphere

Radius = n

Volume	1.3282835800142E+18
Surface area	5843566542228
Circumference	4284636.0078572

Square

Length = n

Perimeter	2727684
Area	465016250241
Diagonal	964381.92666702

Cube

Length = n

Surface area	2790097501446
Volume	317104346380592961
Space diagonal	1181121.8187482

Equilateral Triangle

Length = n

Perimeter	2045763
Area	201357942940.64
Altitude	590560.90937409

Triangular Pyramid

Length = n

Surface area	201357942940.64
Volume	3.7371105611574E+16
Height	321460.64222234