642912688 (number)

642912688 is an even 9-digits composite number following 642912687 and preceding 642912689. In scientific notation, it is written as 6.42912688 × 10^8. The sum of its digits is 46. It has a total of 8 prime factors and 60 positive divisors. There are 288640000 positive integers (up to 642912688) that are relatively prime to 642912688.

Interesting facts

Basic properties

Name

Name six hundred forty-two million nine hundred twelve thousand six hundred eighty-eight

Notation

Scientific notation 6.42912688 × 10^8
Engineering notation 6.42912688 × 10^6

Prime Factorization of 642912688

Prime Factorization 2 × 2 × 2 × 2 × 11 × 83 × 11 × 4001

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 7305826
Product of the distinct prime numbers

The prime factorization of 642912688 is 2 × 2 × 2 × 2 × 11 × 83 × 11 × 4001. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 4, 7, 82, 47, 976, 6073, 2492, 63352, 60492, 744471, 89073, 983492, 5000000, 5223800, 40026375, 186992028, 239067309, 5862597431, 3584500121

Basic calculations (n = 642912688)

Multiplication

n×y
n×2 1285825376
n×3 1928738064
n×4 2571650752
n×5 3214563440

Division

n÷y
n÷2 321456344
n÷3 214304229.33333
n÷3 160728172
n÷5 128582537.6

Exponentiation

ny
n2 413336724391385344
n3 2.6573942452758E+26
n4 1.708472477306E+35
n5 1.0983986327588E+44

Nth Root

y√n
2√n 25355.722983185
3√n 863.07923027016
4√n 159.23480455976
5√n 57.76042755921

Divisors of 642912688

1, 2, 4, 8, 11, 16, 22, 44, 83, 88, 121, 166, 176, 242, 332, 484, 664, 913, 968, 1328, 1826, 1936, 3652, 4001, 7304, 8002, 10043, 14608, 16004, 20086, 32008, 40172, 44011, 64016, 80344, 88022, 160688, 176044, 332083, 352088, 484121, 664166, 704176, 968242, 1328332, 1936484, 2656664, 3652913, 3872968, 5313328, 7305826, 7745936, 14611652, 29223304, 40182043, 58446608, 80364086, 160728172, 321456344, 642912688

60 divisors

τ Total Divisors 60
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -642912687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.016666666666667
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 60
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 642912688 can be divided by 60 positive divisors. The sum of these divisors (counting 642912688) is 1, the average is 0.016666666666667.

Base conversion 642912688

Base System Value
2 Binary 100110010100100001000110110000
3 Ternary 1122210202100102001
4 Quaternary 212110201012300
5 Quinary 2304041201223
6 Senary 143443503344
8 Octal 4624410660
10 Decimal 642912688
12 Duodecimal 15b387b54
16 Hexadecimal 265211b0
20 Vigesimal a0i41e8
36 Base36 amruls

Cryptographic Hash Functions

md5 dfa30f062bfe29dd2616f85f1706c1eb
sha1 a3f666d24ba6e95d0318de80e4a4775a244f79d9
sha256 2a66be10746925877e0568b3d3dbc92228d066cd25046379d8b1c40c87ce2bfd
sha512 189996a778b427677b4aba7251a486f9eed8bd5518575988ab888e32b65ac2681ead6a48fa51972307f14a61ee42e20c64b959f9e702537e590e199f10772dbb
ripemd-160 74c8007b64fdd02f1b486909c3ac76cc40219233

642912688 as geometric shapes

Circle

Radius = n
Diameter 1285825376
Circumference 4039539555.0409
Area 1.2985356168068E+18

Sphere

Radius = n
Volume 1.1131266984867E+27
Surface area 5.1941424672274E+18
Circumference 4039539555.0409

Square

Length = n
Perimeter 2571650752
Area 413336724391385344
Diagonal 909215842.79134

Cube

Length = n
Surface area 2480020346348312064
Volume 2.6573942452758E+26
Space diagonal 1113557440.4467

Equilateral Triangle

Length = n
Perimeter 1928738064
Area 1.7898005181999E+17
Altitude 556778720.22334

Triangular Pyramid

Length = n
Surface area 1.7898005181999E+17
Volume 3.1317691518677E+25
Height 303071947.59711