642912690 (number)

642912690 is an even 9-digits composite number following 642912689 and preceding 642912691. In scientific notation, it is written as 6.42912690 × 10^8. The sum of its digits is 39. It has a total of 6 prime factors and 64 positive divisors. There are 138468096 positive integers (up to 642912690) that are relatively prime to 642912690.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.42912690 × 10^8
Engineering notation 6.42912690 × 10^6

Prime Factorization of 642912690

Prime Factorization 2 × 3 × 5 × 7 × 5111 × 599

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 642912690
Product of the distinct prime numbers

The prime factorization of 642912690 is 2 × 3 × 5 × 7 × 5111 × 599. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 8, 31, 74, 619, 604, 1303, 4304, 76734, 31252, 264877, 845064, 583297, 6522383, 97785115, 34510396, 198867783, 48116090, 1434746377, 9966155674

Basic calculations (n = 642912690)

Multiplication

n×y
n×2 1285825380
n×3 1928738070
n×4 2571650760
n×5 3214563450

Division

n÷y
n÷2 321456345
n÷3 214304230
n÷3 160728172.5
n÷5 128582538

Exponentiation

ny
n2 413336726963036100
n3 2.657394270076E+26
n4 1.7084724985652E+35
n5 1.0983986498435E+44

Nth Root

y√n
2√n 25355.723022624
3√n 863.07923116512
4√n 159.2348046836
5√n 57.760427595147

Divisors of 642912690

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 599, 1198, 1797, 2995, 3594, 4193, 5111, 5990, 8386, 8985, 10222, 12579, 15333, 17970, 20965, 25158, 25555, 30666, 35777, 41930, 51110, 62895, 71554, 76665, 107331, 125790, 153330, 178885, 214662, 357770, 536655, 1073310, 3061489, 6122978, 9184467, 15307445, 18368934, 21430423, 30614890, 42860846, 45922335, 64291269, 91844670, 107152115, 128582538, 214304230, 321456345, 642912690

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642912689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642912690 can be divided by 64 positive divisors. The sum of these divisors (counting 642912690) is 1, the average is 0.015625.

Base conversion 642912690

Base System Value
2 Binary 100110010100100001000110110010
3 Ternary 1122210202100102010
4 Quaternary 212110201012302
5 Quinary 2304041201230
6 Senary 143443503350
8 Octal 4624410662
10 Decimal 642912690
12 Duodecimal 15b387b56
16 Hexadecimal 265211b2
20 Vigesimal a0i41ea
36 Base36 amrulu

Cryptographic Hash Functions

md5 035a39b36f0a5561250a7a5f76fd5216
sha1 f08f2bc86098a6721efeb73c17c91a9371130413
sha256 f63c7ce763a4c316f3dbb4c485ad84e6fe100049cc06892490bf5e2212df4aac
sha512 897a305a1f2676c22a1fd74204f883e563a21daca16079a91f4ee1c6c36539dcf4f3f8869f342a13ad3a67e803af2a8fb2114992846708661d8cafa6a90ea496
ripemd-160 a80d1ace545f1326d8f4946db19dfdc2333bc352

642912690 as geometric shapes

Circle

Radius = n
Diameter 1285825380
Circumference 4039539567.6073
Area 1.2985356248859E+18

Sphere

Radius = n
Volume 1.113126708875E+27
Surface area 5.1941424995437E+18
Circumference 4039539567.6073

Square

Length = n
Perimeter 2571650760
Area 413336726963036100
Diagonal 909215845.61977

Cube

Length = n
Surface area 2480020361778216600
Volume 2.657394270076E+26
Space diagonal 1113557443.9108

Equilateral Triangle

Length = n
Perimeter 1928738070
Area 1.7898005293355E+17
Altitude 556778721.95539

Triangular Pyramid

Length = n
Surface area 1.7898005293355E+17
Volume 3.131769181095E+25
Height 303071948.53992