68506721 (number)

68506721 is an odd 8-digits composite number following 68506720 and preceding 68506722. In scientific notation, it is written as 6.8506721 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 64774080 positive integers (up to 68506721) that are relatively prime to 68506721.

Interesting facts

Basic properties

Name

Name sixty-eight million five hundred six thousand seven hundred twenty-one

Notation

Scientific notation 6.8506721 × 10^7
Engineering notation 6.8506721 × 10^6

Prime Factorization of 68506721

Prime Factorization 61 × 4699 × 239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68506721
Product of the distinct prime numbers

The prime factorization of 68506721 is 61 × 4699 × 239. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68506721)

Multiplication

n×y
n×2 137013442
n×3 205520163
n×4 274026884
n×5 342533605

Division

n÷y
n÷2 34253360.5
n÷3 22835573.666667
n÷3 17126680.25
n÷5 13701344.2

Exponentiation

ny
n2 4693170822171841
n3 3.2151374411987E+23
n4 2.2025852366085E+31
n5 1.5089189228306E+39

Nth Root

y√n
2√n 8276.8786991232
3√n 409.17685534438
4√n 90.977352671548
5√n 36.910220205703

Divisors of 68506721

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 -68506720
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 68506721 can be divided by 8 positive divisors. The sum of these divisors (counting 68506721) is 1, the average is 0.125.

Base conversion 68506721

Base System Value
2 Binary 100000101010101010001100001
3 Ternary 11202220111112222
4 Quaternary 10011111101201
5 Quinary 120014203341
6 Senary 10444200425
8 Octal 405252141
10 Decimal 68506721
12 Duodecimal 1ab39115
16 Hexadecimal 4155461
20 Vigesimal 11836g1
36 Base36 14sc4h

Cryptographic Hash Functions

md5 74d0ac29a834db57b6b747b982acda68
sha1 473ea22aeaa00350a30d1616b1958b968ef34c4e
sha256 b910f6ac01b702733beeab6b4f29fb4655a3969de0844b0e4eb04d5e4afe7299
sha512 b76b8111682345e4dc4a308f027ef4643a0fe79cd6d4b01879b22f586c64941cecec7595cf20b63f2b88be2ab9fa5f38661e1530442d974e15db33ab58097643
ripemd-160 8943ce3cb7d27ad16d49370d21ecfb0dcfd482bf

68506721 as geometric shapes

Circle

Radius = n
Diameter 137013442
Circumference 430440422.83025
Area 1.4744030976977E+16

Sphere

Radius = n
Volume 1.3467536220735E+24
Surface area 5.8976123907908E+16
Circumference 430440422.83025

Square

Length = n
Perimeter 274026884
Area 4693170822171841
Diagonal 96883133.95191

Cube

Length = n
Surface area 28159024933031046
Volume 3.2151374411987E+23
Space diagonal 118657121.43195

Equilateral Triangle

Length = n
Perimeter 205520163
Area 2.0322025781504E+15
Altitude 59328560.715973

Triangular Pyramid

Length = n
Surface area 2.0322025781504E+15
Volume 3.7890758118639E+22
Height 32294377.98397