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

642904 (number)

642904 is an even 6-digits composite number following 642903 and preceding 642905. In scientific notation, it is written as 6.42904 × 10^5. The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors. There are 321448 positive integers (up to 642904) that are relatively prime to 642904.

Interesting facts

642904 has 8 divisors, whose sum is 1205460
The reverse of 642904 is 409246
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 25
Digital Root 7

Name

Name	six hundred forty-two thousand nine hundred four

Notation

Scientific notation	6.42904 × 10^5
Engineering notation	6.42904 × 10^3

Prime Factorization of 642904

Prime Factorization 2 × 2 × 2 × 80363

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	160726	Product of the distinct prime numbers

The prime factorization of 642904 is 2 × 2 × 2 × 80363. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 65, 63, 589, 154, 3207, 3533, 56040, 94344, 291726, 709157, 4642355, 2538747, 88675583, 89021090, 921181728, 643136863, 1244336761, 7098739924

Basic calculations (n = 642904)

Multiplication

n×y

n×2	1285808
n×3	1928712
n×4	2571616
n×5	3214520

Division

n÷y

n÷2	321452
n÷3	214301.33333333
n÷3	160726
n÷5	128580.8

Exponentiation

n^y

n²	413325553216
n³	265728651464779264
n⁴	1.7083801294131E+23
n⁵	1.0983244187202E+29

Nth Root

^y√n

²√n	801.81294576728
³√n	86.307534251252
⁴√n	28.316301767132
⁵√n	14.508724213373

Divisors of 642904

1, 2, 4, 8, 80363, 160726, 321452, 642904

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	-642903	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 642904 can be divided by 8 positive divisors. The sum of these divisors (counting 642904) is 1, the average is 0.125.

Base conversion 642904

Base	System	Value
2	Binary	10011100111101011000
3	Ternary	1012122220021
4	Quaternary	2130331120
5	Quinary	131033104
6	Senary	21440224
8	Octal	2347530
10	Decimal	642904
12	Duodecimal	270074
16	Hexadecimal	9cf58
20	Vigesimal	40754
36	Base36	ds2g

Cryptographic Hash Functions

md5	cb81758647f24eb534ee59742dbb04c9
sha1	3669b200487a88440e39d3c8ed7a84398cab3af3
sha256	61cc388943bce9b3ff4f4d8c936876d380bf41226e70f00b4d6286f2904054ef
sha512	a6b176e9990096229ef969971568199c45928cce4020b809b085a7569f5e42741aa7d0f0350351b85ca0822071b342ad2cd0c9219e95db2fb70246b4e34c6a8e
ripemd-160	9030d49f857b7ae8d69a5cc20779bf31a3527230

642904 as geometric shapes

Circle

Radius = n

Diameter	1285808
Circumference	4039484.966727
Area	1298500521524.3

Sphere

Radius = n

Volume	1.1130815723868E+18
Surface area	5194002086097.3
Circumference	4039484.966727

Square

Length = n

Perimeter	2571616
Area	413325553216
Diagonal	909203.55610391

Cube

Length = n

Surface area	2479953319296
Volume	265728651464779264
Space diagonal	1113542.3923893

Equilateral Triangle

Length = n

Perimeter	1928712
Area	178975214559.16
Altitude	556771.19619463

Triangular Pyramid

Length = n

Surface area	178975214559.16
Volume	3.131642190105E+16
Height	303067.85203464