68731645 (number)

68731645 is an odd 8-digits composite number following 68731644 and preceding 68731646. In scientific notation, it is written as 6.8731645 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 52091280 positive integers (up to 68731645) that are relatively prime to 68731645.

Interesting facts

Basic properties

Name

Name sixty-eight million seven hundred thirty-one thousand six hundred forty-five

Notation

Scientific notation 6.8731645 × 10^7
Engineering notation 6.8731645 × 10^6

Prime Factorization of 68731645

Prime Factorization 5 × 19 × 723491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68731645
Product of the distinct prime numbers

The prime factorization of 68731645 is 5 × 19 × 723491. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68731645)

Multiplication

n×y
n×2 137463290
n×3 206194935
n×4 274926580
n×5 343658225

Division

n÷y
n÷2 34365822.5
n÷3 22910548.333333
n÷3 17182911.25
n÷5 13746329

Exponentiation

ny
n2 4724039024406025
n3 3.2469097319162E+23
n4 2.2316544704111E+31
n5 1.5338528282296E+39

Nth Root

y√n
2√n 8290.4550538556
3√n 409.62417474161
4√n 91.051936024752
5√n 36.934425459441

Divisors of 68731645

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 -68731644
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 68731645 can be divided by 8 positive divisors. The sum of these divisors (counting 68731645) is 1, the average is 0.125.

Base conversion 68731645

Base System Value
2 Binary 100000110001100001011111101
3 Ternary 11210022221002111
4 Quaternary 10012030023331
5 Quinary 120043403040
6 Senary 10453054021
8 Octal 406141375
10 Decimal 68731645
12 Duodecimal 1b027311
16 Hexadecimal 418c2fd
20 Vigesimal 119b925
36 Base36 14x5od

Cryptographic Hash Functions

md5 03309096c2e6315d2b8da82340b61d99
sha1 fe9d222b80f4bfa2367cc65c2b53e945b6689244
sha256 7d080438c3843b33bc2fa91c1eba5db3fa4d811fa5fc542eb7904fb8d4d795ab
sha512 3e6136c3e7eb2526d81691da79c3a464a65bb2d405563327da3d3bf57dbb57a90163a579ead5fe2f45db6136836c44c9d0582277ea4c37a8f4f494dc588b0af3
ripemd-160 d3b289a9a90d5c40caf302cf87d158f40bdcd82b

68731645 as geometric shapes

Circle

Radius = n
Diameter 137463290
Circumference 431853662.00228
Area 1.4841006294345E+16

Sphere

Radius = n
Volume 1.3600623680876E+24
Surface area 5.9364025177382E+16
Circumference 431853662.00228

Square

Length = n
Perimeter 274926580
Area 4724039024406025
Diagonal 97201224.523213

Cube

Length = n
Surface area 28344234146436150
Volume 3.2469097319162E+23
Space diagonal 119046701.22779

Equilateral Triangle

Length = n
Perimeter 206194935
Area 2.0455689018023E+15
Altitude 59523350.613894

Triangular Pyramid

Length = n
Surface area 2.0455689018023E+15
Volume 3.8265198155642E+22
Height 32400408.174404