642904691 (number)

642904691 is an odd 9-digits composite number following 642904690 and preceding 642904692. In scientific notation, it is written as 6.42904691 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 464486400 positive integers (up to 642904691) that are relatively prime to 642904691.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42904691 × 10^8
Engineering notation 6.42904691 × 10^6

Prime Factorization of 642904691

Prime Factorization 4199 × 11 × 31 × 449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 642904691
Product of the distinct prime numbers

The prime factorization of 642904691 is 4199 × 11 × 31 × 449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 22, 59, 58, 810, 6680, 8944, 39871, 11068, 691221, 629505, 3159934, 6130513, 2590634, 77815402, 2368460, 224860475, 155605738, 3625801639

Basic calculations (n = 642904691)

Multiplication

n×y
n×2 1285809382
n×3 1928714073
n×4 2571618764
n×5 3214523455

Division

n÷y
n÷2 321452345.5
n÷3 214301563.66667
n÷3 160726172.75
n÷5 128580938.2

Exponentiation

ny
n2 413326441709805481
n3 2.6572950828957E+26
n4 1.7083874741649E+35
n5 1.0983303211863E+44

Nth Root

y√n
2√n 25355.56528654
3√n 863.07565172657
4√n 159.23430938884
5√n 57.760283865534

Divisors of 642904691

1, 11, 31, 341, 449, 4199, 4939, 13919, 46189, 130169, 153109, 1431859, 1885351, 20738861, 58445881, 642904691

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642904690
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642904691 can be divided by 16 positive divisors. The sum of these divisors (counting 642904691) is 1, the average is 0.0625.

Base conversion 642904691

Base System Value
2 Binary 100110010100011111001001110011
3 Ternary 1122210201221102212
4 Quaternary 212110133021303
5 Quinary 2304040422231
6 Senary 143443402335
8 Octal 4624371163
10 Decimal 642904691
12 Duodecimal 15b3833ab
16 Hexadecimal 2651f273
20 Vigesimal a0i31eb
36 Base36 amrofn

Cryptographic Hash Functions

md5 b6bb1a4a4844e689c7a2f997c27a0f68
sha1 dadf7f8179901fcc1172cdee58aa96533f834042
sha256 7d874f8241042b0cd9d8a05a909cb4fedc81316d529c83fcd19030ead2a8dffd
sha512 1e260d28369615291ea4efb8c964149512580403b2cb32f117742c8a13befc262c093176319bbe378bc00428699991e08ca47df82b4c27aff18ae1304ee1a58d
ripemd-160 489c84a377a8940aa17435790316c15aa21abfc8

642904691 as geometric shapes

Circle

Radius = n
Diameter 1285809382
Circumference 4039489308.408
Area 1.2985033128099E+18

Sphere

Radius = n
Volume 1.1130851614461E+27
Surface area 5.1940132512397E+18
Circumference 4039489308.408

Square

Length = n
Perimeter 2571618764
Area 413326441709805481
Diagonal 909204533.32548

Cube

Length = n
Surface area 2479958650258832886
Volume 2.6572950828957E+26
Space diagonal 1113543589.2364

Equilateral Triangle

Length = n
Perimeter 1928714073
Area 1.7897559928826E+17
Altitude 556771794.61818

Triangular Pyramid

Length = n
Surface area 1.7897559928826E+17
Volume 3.1316522878821E+25
Height 303068177.77516