68869897 is an odd 8-digits composite number following 68869896
and preceding 68869898 . In scientific notation, it is written as 6.8869897 × 10^7.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 68769540 positive integers (up to 68869897) that are relatively prime to 68869897.
68869897 has 4 divisors, whose sum is 68970256
The reverse of 68869897 is 79896886
Previous prime number is 691
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 61
Digital Root 7
Name
sixty-eight million eight hundred sixty-nine thousand eight hundred ninety-seven
Scientific notation
6.8869897 × 10^7
Engineering notation
6.8869897 × 10^6
Prime Factorization
691 × 99667
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68869897
Product of the distinct prime numbers
The prime factorization of 68869897 is 691 × 99667.
Since it has a total of 2 prime factors.
2 , 3 , 18 , 25 , 521 , 237 , 942 , 120 , 36362 , 21781 , 521008 , 953902 , 7142636 , 5067898 , 62649150 , 346844 , 463716022 , 135676419 , 8495663749 , 5253967660
n×2
137739794
n×3
206609691
n×4
275479588
n×5
344349485
n÷2
34434948.5
n÷3
22956632.333333
n÷3
17217474.25
n÷5
13773979.4
n2
4743062712790609
n3
3.2665424049443E+23
n4
2.2496643897465E+31
n5
1.5493415480641E+39
2 √n
8298.7888875426
3 √n
409.898640421
4 √n
91.09768870582
5 √n
36.949272055053
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68869896
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68869897 can be divided by 4 positive divisors.
The sum of these divisors (counting 68869897) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000110101101111100001001
3
Ternary
11210120221201221
4
Quaternary
10012231330021
5
Quinary
120112314042
6
Senary
10500042041
8
Octal
406557411
10
Decimal
68869897
12
Duodecimal
1b093321
16
Hexadecimal
41adf09
20
Vigesimal
11a8eeh
36
Base36
1504cp
md5
afda8ffe450989618406ce00808fabff
sha1
dd391010a20300e46f5325c5269dc98543004723
sha256
d21465d5dd3a9e75839de98c30027cf48e78018ddc1bc4e7615e1e6ba94d00b1
sha512
1ee1c09d5a9bf8402e3347e02aaca26437bd230c930a99640085a11286920d7567ce545e83940cc7fe07777e7935aeddfe685f259df63c834df943ffb2d225d7
ripemd-160
a996fa4edf4f701b3afd7b83f3d8677c4a425d29
Diameter
137739794
Circumference
432722324.93737
Area
1.4900770974019E+16
Volume
1.368286082935E+24
Surface area
5.9603083896075E+16
Circumference
432722324.93737
Perimeter
275479588
Area
4743062712790609
Diagonal
97396742.376638
Surface area
28458376276743654
Volume
3.2665424049443E+23
Space diagonal
119286160.71604
Perimeter
206609691
Area
2.0538064005097E+15
Altitude
59643080.358018
Surface area
2.0538064005097E+15
Volume
3.8496571426159E+22
Height
32465580.792213