68731618 is an even 8-digits composite number following 68731617
and preceding 68731619 . In scientific notation, it is written as 6.8731618 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 34283760 positive integers (up to 68731618) that are relatively prime to 68731618.
68731618 has 8 divisors, whose sum is 103343580
The reverse of 68731618 is 81613786
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million seven hundred thirty-one thousand six hundred eighteen
Scientific notation
6.8731618 × 10^7
Engineering notation
6.8731618 × 10^6
Prime Factorization
2 × 421 × 81629
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68731618
Product of the distinct prime numbers
The prime factorization of 68731618 is 2 × 421 × 81629.
Since it has a total of 3 prime factors.
1 , 3 , 48 , 53 , 533 , 677 , 1555 , 4513 , 93604 , 69335 , 858962 , 451342 , 9434272 , 715377 , 18925984 , 57717571 , 824042673 , 405063021 , 4676952926 , 3165435238
n×2
137463236
n×3
206194854
n×4
274926472
n×5
343658090
n÷2
34365809
n÷3
22910539.333333
n÷3
17182904.5
n÷5
13746323.6
n2
4724035312897924
n3
3.2469059054461E+23
n4
2.2316509637507E+31
n5
1.5338498154984E+39
2 √n
8290.4534254768
3 √n
409.62412110376
4 √n
91.051927082719
5 √n
36.934422557635
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
-68731617
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 68731618 can be divided by 8 positive divisors.
The sum of these divisors (counting 68731618) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110001100001011100010
3
Ternary
11210022221001111
4
Quaternary
10012030023202
5
Quinary
120043402433
6
Senary
10453053534
8
Octal
406141342
10
Decimal
68731618
12
Duodecimal
1b0272aa
16
Hexadecimal
418c2e2
20
Vigesimal
119b90i
36
Base36
14x5nm
md5
8118e9f035ccaec52c5492e2b3324680
sha1
65a1528bba9705790574edd4b777390b36231d15
sha256
8575fad7c797b27f66559808a5a4157cc28a2085d98f21def4cb9f014c53982b
sha512
3f90c473be8d26ad510ee6f39b170e4a94e9046934ceb962dde7ba09132ee0635ba11a1b69c31106d9ed6bd8878c018e9e428087e229ee35773911c374aec95f
ripemd-160
01669cdbd35157c23451f234890e1c0200603d47
Diameter
137463236
Circumference
431853492.35628
Area
1.4840994634299E+16
Volume
1.3600607652596E+24
Surface area
5.9363978537196E+16
Circumference
431853492.35628
Perimeter
274926472
Area
4724035312897924
Diagonal
97201186.339447
Surface area
28344211877387544
Volume
3.2469059054461E+23
Space diagonal
119046654.46242
Perimeter
206194854
Area
2.0455672946722E+15
Altitude
59523327.231208
Surface area
2.0455672946722E+15
Volume
3.826515306026E+22
Height
32400395.446482