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

642740 (number)

642740 is an even 6-digits composite number following 642739 and preceding 642741. In scientific notation, it is written as 6.42740 × 10^5. The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors. There are 220320 positive integers (up to 642740) that are relatively prime to 642740.

Interesting facts

642740 has 24 divisors, whose sum is 1542912
The reverse of 642740 is 047246
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 23
Digital Root 5

Name

Name	six hundred forty-two thousand seven hundred forty

Notation

Scientific notation	6.42740 × 10^5
Engineering notation	6.42740 × 10^3

Prime Factorization of 642740

Prime Factorization 2 × 2 × 7 × 5 × 4591

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	321370	Product of the distinct prime numbers

The prime factorization of 642740 is 2 × 2 × 7 × 5 × 4591. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 4, 1, 5, 186, 682, 6723, 7327, 11976, 18621, 180442, 383456, 1810798, 2950239, 75644040, 33180144, 960731498, 963586436, 4746049972, 4332913076

Basic calculations (n = 642740)

Multiplication

n×y

n×2	1285480
n×3	1928220
n×4	2570960
n×5	3213700

Division

n÷y

n÷2	321370
n÷3	214246.66666667
n÷3	160685
n÷5	128548

Exponentiation

n^y

n²	413114707600
n³	265525347162824000
n⁴	1.7066376163543E+23
n⁵	1.0969242615356E+29

Nth Root

^y√n

²√n	801.71067100295
³√n	86.30019482507
⁴√n	28.314495775185
⁵√n	14.507983924435

Divisors of 642740

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4591, 9182, 18364, 22955, 32137, 45910, 64274, 91820, 128548, 160685, 321370, 642740

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-642739	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642740 can be divided by 24 positive divisors. The sum of these divisors (counting 642740) is 1, the average is 0.041666666666667.

Base conversion 642740

Base	System	Value
2	Binary	10011100111010110100
3	Ternary	1012122200012
4	Quaternary	2130322310
5	Quinary	131031430
6	Senary	21435352
8	Octal	2347264
10	Decimal	642740
12	Duodecimal	26bb58
16	Hexadecimal	9ceb4
20	Vigesimal	406h0
36	Base36	drxw

Cryptographic Hash Functions

md5	943dc24ff7b0b0672e81bf5d9e1261d7
sha1	c0e92af2ecc283c74b3798a6da06844237ca7d3a
sha256	c1185d06a2f84bd852e412094d8c4af0bc12f2b24daef74a2239e71d838a2bfa
sha512	4b978edb4711ba578b0ee76246916bdf12427246e098b5059a5baf708f6e3aaa14e2f1ce83c8aedb347257020d36230458812c7f8d4e1af04e53767094c79dd7
ripemd-160	0fdc645065205d856b74a6fe6c3bd68328365e75

642740 as geometric shapes

Circle

Radius = n

Diameter	1285480
Circumference	4038454.5243366
Area	1297838130486.1

Sphere

Radius = n

Volume	1.1122299733181E+18
Surface area	5191352521944.2
Circumference	4038454.5243366

Square

Length = n

Perimeter	2570960
Area	413114707600
Diagonal	908971.62507968

Cube

Length = n

Surface area	2478688245600
Volume	265525347162824000
Space diagonal	1113258.3360568

Equilateral Triangle

Length = n

Perimeter	1928220
Area	178883915729.29
Altitude	556629.16802841

Triangular Pyramid

Length = n

Surface area	178883915729.29
Volume	3.1292462259291E+16
Height	302990.54169323