642904690 (number)

642904690 is an even 9-digits composite number following 642904689 and preceding 642904691. In scientific notation, it is written as 6.42904690 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 257161872 positive integers (up to 642904690) that are relatively prime to 642904690.

Interesting facts

Basic properties

Name

Name six hundred forty-two million nine hundred four thousand six hundred ninety

Notation

Scientific notation 6.42904690 × 10^8
Engineering notation 6.42904690 × 10^6

Prime Factorization of 642904690

Prime Factorization 2 × 5 × 64290469

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 642904690
Product of the distinct prime numbers

The prime factorization of 642904690 is 2 × 5 × 64290469. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 54, 29, 297, 141, 1931, 3169, 66617, 79195, 208720, 312572, 9336611, 1546954, 12211696, 45135777, 748461514, 619678085, 8621178591, 9040775430

Basic calculations (n = 642904690)

Multiplication

n×y
n×2 1285809380
n×3 1928714070
n×4 2571618760
n×5 3214523450

Division

n÷y
n÷2 321452345
n÷3 214301563.33333
n÷3 160726172.5
n÷5 128580938

Exponentiation

ny
n2 413326440423996100
n3 2.6572950704959E+26
n4 1.7083874635357E+35
n5 1.0983303126443E+44

Nth Root

y√n
2√n 25355.565266821
3√n 863.07565127909
4√n 159.23430932692
5√n 57.760283847566

Divisors of 642904690

1, 2, 5, 10, 64290469, 128580938, 321452345, 642904690

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 -642904689
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 642904690 can be divided by 8 positive divisors. The sum of these divisors (counting 642904690) is 1, the average is 0.125.

Base conversion 642904690

Base System Value
2 Binary 100110010100011111001001110010
3 Ternary 1122210201221102211
4 Quaternary 212110133021302
5 Quinary 2304040422230
6 Senary 143443402334
8 Octal 4624371162
10 Decimal 642904690
12 Duodecimal 15b3833aa
16 Hexadecimal 2651f272
20 Vigesimal a0i31ea
36 Base36 amrofm

Cryptographic Hash Functions

md5 15a95cdc90a3a86fea58097ac9ec877d
sha1 44033d6291755fc232d6fa60742d34a9598cb3bf
sha256 a3c7bb7b18b487e1658d1d6d635ad8248f1427007647d957034333ac11ebb341
sha512 b9de8fe85528f204a064be4054b381e51f6c41ae5323de1cc6e06e263398365d42a46bfe7ddc8c2e9c7cfb0b0f75f85cc7da24b69bd35f733b0cd9a57a9e0d92
ripemd-160 a75605a492fbef3fbc12eb53d22d921ebd85fcc0

642904690 as geometric shapes

Circle

Radius = n
Diameter 1285809380
Circumference 4039489302.1248
Area 1.2985033087704E+18

Sphere

Radius = n
Volume 1.113085156252E+27
Surface area 5.1940132350818E+18
Circumference 4039489302.1248

Square

Length = n
Perimeter 2571618760
Area 413326440423996100
Diagonal 909204531.91127

Cube

Length = n
Surface area 2479958642543976600
Volume 2.6572950704959E+26
Space diagonal 1113543587.5043

Equilateral Triangle

Length = n
Perimeter 1928714070
Area 1.7897559873149E+17
Altitude 556771793.75216

Triangular Pyramid

Length = n
Surface area 1.7897559873149E+17
Volume 3.1316522732688E+25
Height 303068177.30376