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.
68742018 has 16 divisors, whose sum is 114711960
The reverse of 68742018 is 81024786
Previous prime number is 1033
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-eight million seven hundred forty-two thousand eighteen
Scientific notation
6.8742018 × 10^7
Engineering notation
6.8742018 × 10^6
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.
8 , 5 , 28 , 69 , 49 , 89 , 8460 , 5976 , 9982 , 22137 , 551190 , 654976 , 6274529 , 3453250 , 2874562 , 52146603 , 828415760 , 389980517 , 2028857063 , 4052613822
n×2
137484036
n×3
206226054
n×4
274968072
n×5
343710090
n÷2
34371009
n÷3
22914006
n÷3
17185504.5
n÷5
13748403.6
n2
4725465038712324
n3
3.2483800274953E+23
n4
2.2330019832092E+31
n5
1.5350106252381E+39
2 √n
8291.0806292063
3 √n
409.64478057185
4 √n
91.055371226558
5 √n
36.935540223009
1 , 2 , 9 , 18 , 1033 , 2066 , 3697 , 7394 , 9297 , 18594 , 33273 , 66546 , 3819001 , 7638002 , 34371009 , 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
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
md5
1bd2e839adb8da73d22c5325d7f47c1f
sha1
4f7cff8a285dbab289f51644b64218b395417bbf
sha256
6e78c0b532e4dfd11ef1898745308dac642845e458d7bb030af7c841cc55ec25
sha512
6824cf6075e016d571d435b861091bf357581ef666b694bd1627b8ecbbbb5e1903acc85288fd1e4a013b5ed43e3078e874f36ba4c0386e60247540d4610335fc
ripemd-160
eae73f9728dd0bceaddd53b5138deeffd25c9818
Diameter
137484036
Circumference
431918837.48347
Area
1.4845486250414E+16
Volume
1.3606782440596E+24
Surface area
5.9381945001656E+16
Circumference
431918837.48347
Perimeter
274968072
Area
4725465038712324
Diagonal
97215894.160495
Surface area
28352790232273944
Volume
3.2483800274953E+23
Space diagonal
119064667.79081
Perimeter
206226054
Area
2.04618638411E+15
Altitude
59532333.895407
Surface area
2.04618638411E+15
Volume
3.8282525755215E+22
Height
32405298.053498