68839920 (number)

68839920 is an even 8-digits composite number following 68839919 and preceding 68839921. In scientific notation, it is written as 6.8839920 × 10^7. The sum of its digits is 45. It has a total of 8 prime factors and 80 positive divisors. There are 17554944 positive integers (up to 68839920) that are relatively prime to 68839920.

Interesting facts

Basic properties

Name

Name sixty-eight million eight hundred thirty-nine thousand nine hundred twenty

Notation

Scientific notation 6.8839920 × 10^7
Engineering notation 6.8839920 × 10^6

Prime Factorization of 68839920

Prime Factorization 2 × 2 × 2 × 2 × 5 × 9 × 23 × 4157

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 8604990
Product of the distinct prime numbers

The prime factorization of 68839920 is 2 × 2 × 2 × 2 × 5 × 9 × 23 × 4157. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 5, 13, 36, 726, 276, 9238, 5228, 98806, 65938, 792124, 485399, 2534206, 3977102, 31762673, 73982027, 699644032, 753275310, 4885321063, 143023488

Basic calculations (n = 68839920)

Multiplication

n×y
n×2 137679840
n×3 206519760
n×4 275359680
n×5 344199600

Division

n÷y
n÷2 34419960
n÷3 22946640
n÷3 17209980
n÷5 13767984

Exponentiation

ny
n2 4738934585606400
n3 3.2622787775838E+23
n4 2.2457501006657E+31
n5 1.5459725726982E+39

Nth Root

y√n
2√n 8296.9825840483
3√n 409.83915959649
4√n 91.087774064625
5√n 36.946054912952

Divisors of 68839920

1, 2, 4, 5, 8, 9, 10, 16, 18, 20, 23, 36, 40, 45, 46, 72, 80, 90, 92, 115, 144, 180, 184, 207, 230, 360, 368, 414, 460, 720, 828, 920, 1035, 1656, 1840, 2070, 3312, 4140, 4157, 8280, 8314, 16560, 16628, 20785, 33256, 37413, 41570, 66512, 74826, 83140, 95611, 149652, 166280, 187065, 191222, 299304, 332560, 374130, 382444, 478055, 598608, 748260, 764888, 860499, 956110, 1496520, 1529776, 1720998, 1912220, 2993040, 3441996, 3824440, 4302495, 6883992, 7648880, 8604990, 13767984, 17209980, 34419960, 68839920

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68839919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68839920 can be divided by 80 positive divisors. The sum of these divisors (counting 68839920) is 1, the average is 0.0125.

Base conversion 68839920

Base System Value
2 Binary 100000110100110100111110000
3 Ternary 11210112102121200
4 Quaternary 10012212213300
5 Quinary 120110334140
6 Senary 10455251200
8 Octal 406464760
10 Decimal 68839920
12 Duodecimal 1b079b00
16 Hexadecimal 41a69f0
20 Vigesimal 11a4jg0
36 Base36 14zh80

Cryptographic Hash Functions

md5 f26091ac026f0cd5faadcc70b3eed057
sha1 6533f145c18c02e71c8eced84ec35efd839bb8af
sha256 b85c0350371553395ba8dca1271614c7cafd8a353cbb14ddb5b904ff58b4cad9
sha512 8b7682cd091b3f92451164f2127be6f32566b1a8f9b3684e80acb890fecefd852d0e49adb91475d412d9ffe5b2280bb95fdd32e647bd211cb7798e083c6c8f92
ripemd-160 6c464a979d3a9df8496405a51178f23650d67880

68839920 as geometric shapes

Circle

Radius = n
Diameter 137679840
Circumference 432533973.89142
Area 1.4887802079984E+16

Sphere

Radius = n
Volume 1.3665001388825E+24
Surface area 5.9551208319935E+16
Circumference 432533973.89142

Square

Length = n
Perimeter 275359680
Area 4738934585606400
Diagonal 97354348.496679

Cube

Length = n
Surface area 28433607513638400
Volume 3.2622787775838E+23
Space diagonal 119234239.02898

Equilateral Triangle

Length = n
Perimeter 206519760
Area 2.0520188690039E+15
Altitude 59617119.514488

Triangular Pyramid

Length = n
Surface area 2.0520188690039E+15
Volume 3.8446324095841E+22
Height 32451449.498893