68698728 (number)

68698728 is an even 8-digits composite number following 68698727 and preceding 68698729. In scientific notation, it is written as 6.8698728 × 10^7. The sum of its digits is 54. It has a total of 7 prime factors and 64 positive divisors. There are 18990720 positive integers (up to 68698728) that are relatively prime to 68698728.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred ninety-eight thousand seven hundred twenty-eight

Notation

Scientific notation 6.8698728 × 10^7
Engineering notation 6.8698728 × 10^6

Prime Factorization of 68698728

Prime Factorization 2 × 2 × 2 × 9 × 7 × 31 × 4397

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 17174682
Product of the distinct prime numbers

The prime factorization of 68698728 is 2 × 2 × 2 × 9 × 7 × 31 × 4397. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 2, 41, 92, 401, 553, 543, 4465, 29230, 62350, 600614, 617625, 4688710, 201149, 80148394, 37929108, 420489271, 141885714, 2613580345, 6013466089

Basic calculations (n = 68698728)

Multiplication

n×y
n×2 137397456
n×3 206096184
n×4 274794912
n×5 343493640

Division

n÷y
n÷2 34349364
n÷3 22899576
n÷3 17174682
n÷5 13739745.6

Exponentiation

ny
n2 4719515228817984
n3 3.2422469299642E+23
n4 2.2273823995045E+31
n5 1.5301833761555E+39

Nth Root

y√n
2√n 8288.4695812918
3√n 409.5587718157
4√n 91.04103240458
5√n 36.93088705016

Divisors of 68698728

1, 2, 4, 7, 8, 9, 14, 18, 28, 31, 36, 56, 62, 63, 72, 124, 126, 217, 248, 252, 279, 434, 504, 558, 868, 1116, 1736, 1953, 2232, 3906, 4397, 7812, 8794, 15624, 17588, 30779, 35176, 39573, 61558, 79146, 123116, 136307, 158292, 246232, 272614, 277011, 316584, 545228, 554022, 954149, 1090456, 1108044, 1226763, 1908298, 2216088, 2453526, 3816596, 4907052, 7633192, 8587341, 9814104, 17174682, 34349364, 68698728

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 -68698727
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 68698728 can be divided by 64 positive divisors. The sum of these divisors (counting 68698728) is 1, the average is 0.015625.

Base conversion 68698728

Base System Value
2 Binary 100000110000100001001101000
3 Ternary 11210021020221100
4 Quaternary 10012010021220
5 Quinary 120041324403
6 Senary 10452241400
8 Octal 406041150
10 Decimal 68698728
12 Duodecimal 1b010260
16 Hexadecimal 4184268
20 Vigesimal 11976g8
36 Base36 14wga0

Cryptographic Hash Functions

md5 be47d3ba90f0b1abc53027fee5eae19b
sha1 831ea782348320062b0ce8a1304f1d5f2d8a144d
sha256 8c3bd132688649e0f8f3750dbd6313291fc2266f704d7222a350067b98d5393a
sha512 695e299a5f9ea7c9edef1445ad1ccd1b75925448b75eabbbbc909216bc3d4745b54cde1d3c499f83ddf14d55e592b5c30995e57710738c9d2296396d93d1fdeb
ripemd-160 74485db7c162514d4bdde80d6e6b2a7928ec9804

68698728 as geometric shapes

Circle

Radius = n
Diameter 137397456
Circumference 431646838.39153
Area 1.482679437136E+16

Sphere

Radius = n
Volume 1.3581092181733E+24
Surface area 5.9307177485439E+16
Circumference 431646838.39153

Square

Length = n
Perimeter 274794912
Area 4719515228817984
Diagonal 97154672.85538

Cube

Length = n
Surface area 28317091372907904
Volume 3.2422469299642E+23
Space diagonal 118989687.31135

Equilateral Triangle

Length = n
Perimeter 206096184
Area 2.043610040852E+15
Altitude 59494843.655677

Triangular Pyramid

Length = n
Surface area 2.043610040852E+15
Volume 3.821024650765E+22
Height 32384890.951793