68989815 is an odd 8-digits composite number following 68989814
and preceding 68989816 . In scientific notation, it is written as 6.8989815 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 36794544 positive integers (up to 68989815) that are relatively prime to 68989815.
68989815 has 12 divisors, whose sum is 119582424
The reverse of 68989815 is 51898986
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-eight million nine hundred eighty-nine thousand eight hundred fifteen
Scientific notation
6.8989815 × 10^7
Engineering notation
6.8989815 × 10^6
Prime Factorization
3 × 5 × 3 × 1533107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
22996605
Product of the distinct prime numbers
The prime factorization of 68989815 is 3 × 5 × 3 × 1533107.
Since it has a total of 4 prime factors.
9 , 8 , 87 , 13 , 928 , 464 , 7266 , 3694 , 37732 , 56684 , 391033 , 88995 , 6958783 , 31368 , 62853263 , 51035441 , 728091441 , 848760291 , 5198107860 , 1515319483
n×2
137979630
n×3
206969445
n×4
275959260
n×5
344949075
n÷2
34494907.5
n÷3
22996605
n÷3
17247453.75
n÷5
13797963
n2
4759594573734225
n3
3.2836354911693E+23
n4
2.265374050632E+31
n5
1.562877366589E+39
2 √n
8306.0107753361
3 √n
410.13641108396
4 √n
91.137318236473
5 √n
36.962130503094
1 , 3 , 5 , 9 , 15 , 45 , 1533107 , 4599321 , 7665535 , 13797963 , 22996605 , 68989815
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68989814
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68989815 can be divided by 12 positive divisors.
The sum of these divisors (counting 68989815) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000111001011001101110111
3
Ternary
11210211001020100
4
Quaternary
10013023031313
5
Quinary
120130133230
6
Senary
10502405143
8
Octal
407131567
10
Decimal
68989815
12
Duodecimal
1b1307b3
16
Hexadecimal
41cb377
20
Vigesimal
11b3eaf
36
Base36
152ovr
md5
13026ffa25ed676fbbf9cf09f8ab5b5d
sha1
246f6cd27cfdca45027a710d30c0d859fc0ac6dd
sha256
534e7d9820e7c7240e6cb9426a90394fd5c6361283b27558b78af57a73e30057
sha512
713777f820cddb23be5c72307cb26f95c36d315ea093e5acdccfd84baad14d363a7720212d43d136d7a6e00f04bfca4481f47bcd30687044c948a709112c67d7
ripemd-160
3b1e975e511861885d37a2096b6f2814c8954194
Diameter
137979630
Circumference
433475791.95304
Area
1.4952707346909E+16
Volume
1.3754460181499E+24
Surface area
5.9810829387637E+16
Circumference
433475791.95304
Perimeter
275959260
Area
4759594573734225
Diagonal
97566332.038611
Surface area
28557567442405350
Volume
3.2836354911693E+23
Space diagonal
119493864.78478
Perimeter
206969445
Area
2.0609649062842E+15
Altitude
59746932.392389
Surface area
2.0609649062842E+15
Volume
3.8698015379177E+22
Height
32522110.679537