68291281 (number)

68291281 is an odd 8-digits composite number following 68291280 and preceding 68291282. In scientific notation, it is written as 6.8291281 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 65710080 positive integers (up to 68291281) that are relatively prime to 68291281.

Interesting facts

Basic properties

Name

Name sixty-eight million two hundred ninety-one thousand two hundred eighty-one

Notation

Scientific notation 6.8291281 × 10^7
Engineering notation 6.8291281 × 10^6

Prime Factorization of 68291281

Prime Factorization 41 × 73 × 22817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68291281
Product of the distinct prime numbers

The prime factorization of 68291281 is 41 × 73 × 22817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68291281)

Multiplication

n×y
n×2 136582562
n×3 204873843
n×4 273165124
n×5 341456405

Division

n÷y
n÷2 34145640.5
n÷3 22763760.333333
n÷3 17072820.25
n÷5 13658256.2

Exponentiation

ny
n2 4663699060620961
n3 3.184899830483E+23
n4 2.1750088928037E+31
n5 1.4853414347596E+39

Nth Root

y√n
2√n 8263.8538830258
3√n 408.74747834236
4√n 90.905741749494
5√n 36.886975888808

Divisors of 68291281

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68291280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68291281 can be divided by 8 positive divisors. The sum of these divisors (counting 68291281) is 1, the average is 0.125.

Base conversion 68291281

Base System Value
2 Binary 100000100100000101011010001
3 Ternary 11202111120000201
4 Quaternary 10010200223101
5 Quinary 114440310111
6 Senary 10435415201
8 Octal 404405321
10 Decimal 68291281
12 Duodecimal 1aa54501
16 Hexadecimal 4120ad1
20 Vigesimal 116g841
36 Base36 14npw1

Cryptographic Hash Functions

md5 64afd5c8e2f705de31c599b99393a7f8
sha1 7de639c5a49a234a54b28040368117b888366a7b
sha256 36dbec04ca36bcfa72856924d075a1b830bdcf3ec69e4522ba08690b3965eadf
sha512 8fe453fc9b68c58ec426ebf4c5d7a4f5678657e24748a2fac28cf1c67cbe9c3f4da1bd2f88a8a1d4893d0789104653c6fc6454b6f2860d78b7f5f02eee114d7a
ripemd-160 ba7eb46328f342d26ec4eac590eb140769c1d076

68291281 as geometric shapes

Circle

Radius = n
Diameter 136582562
Circumference 429086773.38767
Area 1.46514427074E+16

Sphere

Radius = n
Volume 1.3340877213153E+24
Surface area 5.8605770829602E+16
Circumference 429086773.38767

Square

Length = n
Perimeter 273165124
Area 4663699060620961
Diagonal 96578455.782032

Cube

Length = n
Surface area 27982194363725766
Volume 3.184899830483E+23
Space diagonal 118283968.40596

Equilateral Triangle

Length = n
Perimeter 204873843
Area 2.0194409310517E+15
Altitude 59141984.202982

Triangular Pyramid

Length = n
Surface area 2.0194409310517E+15
Volume 3.7534404458907E+22
Height 32192818.594011