68742018 (number)

68742018 is an even 8-digits composite number following 68742017 and preceding 68742019. In scientific notation, it is written as 6.8742018 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 22885632 positive integers (up to 68742018) that are relatively prime to 68742018.

Interesting facts

Basic properties

Name

Name sixty-eight million seven hundred forty-two thousand eighteen

Notation

Scientific notation 6.8742018 × 10^7
Engineering notation 6.8742018 × 10^6

Prime Factorization of 68742018

Prime Factorization 2 × 9 × 1033 × 3697

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68742018
Product of the distinct prime numbers

The prime factorization of 68742018 is 2 × 9 × 1033 × 3697. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68742018)

Multiplication

n×y
n×2 137484036
n×3 206226054
n×4 274968072
n×5 343710090

Division

n÷y
n÷2 34371009
n÷3 22914006
n÷3 17185504.5
n÷5 13748403.6

Exponentiation

ny
n2 4725465038712324
n3 3.2483800274953E+23
n4 2.2330019832092E+31
n5 1.5350106252381E+39

Nth Root

y√n
2√n 8291.0806292063
3√n 409.64478057185
4√n 91.055371226558
5√n 36.935540223009

Divisors of 68742018

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 -68742017
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 68742018 can be divided by 16 positive divisors. The sum of these divisors (counting 68742018) is 1, the average is 0.0625.

Base conversion 68742018

Base System Value
2 Binary 100000110001110101110000010
3 Ternary 11210100110022200
4 Quaternary 10012032232002
5 Quinary 120044221033
6 Senary 10453214030
8 Octal 406165602
10 Decimal 68742018
12 Duodecimal 1b031316
16 Hexadecimal 418eb82
20 Vigesimal 119cf0i
36 Base36 14xdoi

Cryptographic Hash Functions

md5 1bd2e839adb8da73d22c5325d7f47c1f
sha1 4f7cff8a285dbab289f51644b64218b395417bbf
sha256 6e78c0b532e4dfd11ef1898745308dac642845e458d7bb030af7c841cc55ec25
sha512 6824cf6075e016d571d435b861091bf357581ef666b694bd1627b8ecbbbb5e1903acc85288fd1e4a013b5ed43e3078e874f36ba4c0386e60247540d4610335fc
ripemd-160 eae73f9728dd0bceaddd53b5138deeffd25c9818

68742018 as geometric shapes

Circle

Radius = n
Diameter 137484036
Circumference 431918837.48347
Area 1.4845486250414E+16

Sphere

Radius = n
Volume 1.3606782440596E+24
Surface area 5.9381945001656E+16
Circumference 431918837.48347

Square

Length = n
Perimeter 274968072
Area 4725465038712324
Diagonal 97215894.160495

Cube

Length = n
Surface area 28352790232273944
Volume 3.2483800274953E+23
Space diagonal 119064667.79081

Equilateral Triangle

Length = n
Perimeter 206226054
Area 2.04618638411E+15
Altitude 59532333.895407

Triangular Pyramid

Length = n
Surface area 2.04618638411E+15
Volume 3.8282525755215E+22
Height 32405298.053498