68742561 (number)

68742561 is an odd 8-digits composite number following 68742560 and preceding 68742562. In scientific notation, it is written as 6.8742561 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 43277520 positive integers (up to 68742561) that are relatively prime to 68742561.

Interesting facts

Basic properties

Name

Name sixty-eight million seven hundred forty-two thousand five hundred sixty-one

Notation

Scientific notation 6.8742561 × 10^7
Engineering notation 6.8742561 × 10^6

Prime Factorization of 68742561

Prime Factorization 3 × 23 × 79 × 12611

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68742561
Product of the distinct prime numbers

The prime factorization of 68742561 is 3 × 23 × 79 × 12611. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 71, 52, 698, 156, 6927, 8858, 75324, 48625, 157572, 913839, 8020137, 2879779, 80093741, 63696650, 530035606, 304436060, 4299816704, 9851678644

Basic calculations (n = 68742561)

Multiplication

n×y
n×2 137485122
n×3 206227683
n×4 274970244
n×5 343712805

Division

n÷y
n÷2 34371280.5
n÷3 22914187
n÷3 17185640.25
n÷5 13748512.2

Exponentiation

ny
n2 4725539692838721
n3 3.2484570059289E+23
n4 2.2330725388594E+31
n5 1.5350712521997E+39

Nth Root

y√n
2√n 8291.1133751747
3√n 409.64585917723
4√n 91.055551039872
5√n 36.935598574322

Divisors of 68742561

1, 3, 23, 69, 79, 237, 1817, 5451, 12611, 37833, 290053, 870159, 996269, 2988807, 22914187, 68742561

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 -68742560
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 68742561 can be divided by 16 positive divisors. The sum of these divisors (counting 68742561) is 1, the average is 0.0625.

Base conversion 68742561

Base System Value
2 Binary 100000110001110110110100001
3 Ternary 11210100111001210
4 Quaternary 10012032312201
5 Quinary 120044230221
6 Senary 10453220333
8 Octal 406166641
10 Decimal 68742561
12 Duodecimal 1b0316a9
16 Hexadecimal 418eda1
20 Vigesimal 119cg81
36 Base36 14xe3l

Cryptographic Hash Functions

md5 d7d11b39dfcfddd1522c68db2e588471
sha1 f8f179b08dc2a84a6163ab5e437ca0dd1c76c0b0
sha256 0dc4073436cc7d3a2ae78fa918bcc02caf1b11544f1c5c02b1211f1a716cf244
sha512 5ed5261f5d86b2493be3bb0b1effd45a140f552e113d2e8dad14cfbaf1098480c91ed90adfc7abe6e1d22aaaac52e3716ff5a5fbe72d2da8fa09569e9f240ab0
ripemd-160 670c1f4a67bace6eed369908bb342277cadcf27a

68742561 as geometric shapes

Circle

Radius = n
Diameter 137485122
Circumference 431922249.2531
Area 1.4845720783269E+16

Sphere

Radius = n
Volume 1.3607104887105E+24
Surface area 5.9382883133076E+16
Circumference 431922249.2531

Square

Length = n
Perimeter 274970244
Area 4725539692838721
Diagonal 97216662.07846

Cube

Length = n
Surface area 28353238157032326
Volume 3.2484570059289E+23
Space diagonal 119065608.2944

Equilateral Triangle

Length = n
Perimeter 206227683
Area 2.046218710295E+15
Altitude 59532804.147201

Triangular Pyramid

Length = n
Surface area 2.046218710295E+15
Volume 3.8283432954754E+22
Height 32405554.026153